Get inspired by this colorful garden idea noted for its Dreaming of a resting spot where you could surround A stunning border for shady gardens. Planting can be done while in full growth in spring or summer, as long as plants are watered regularly. However, watch for powdery mildew, leaf spots, and aphids. long (20 cm), are on display at the tips of the branches. Appreciate your help. We use cookies on this website, you can read about them here. The Royal Horticultural Society is the UKs leading gardening charity. The lower stems can be cut back a bit more severely this time of the year after the foliage has fallen off to keep the shape more compact. After pruning, give the plant a water, fertilize it and renew the mulch. With sharp shears, cut each stem back to about 8 inches (20 cm.) You can also thin out the shrub to promote air circulation and help prevent disease. Keep the seedlings moist but not wet and place them in a bright location. 1 Start by taking out the thickest stems first. Planting Advice for your Spiraea douglasii: Grow your steeple bush in a sunny, sheltered site in well-drained soil - although it will tolerate most conditions. Trim straight across the top of the plant, and when you release the rope you'll have a perfectly rounded spirea. var. H x S: 1.5m x 1.5m, Spiraea japonica 'Anthony Waterer' Bright pink flowers against pink-tinged, green leaves. C. Presl Sub-species None Cultivar None Common Synonym (s) None. Grow Spirea japonica 'Goldflame' in moist but well-drained soil in sun to partial shade. Plus, get 6 FREE seed packs and 10% off plant shopping. Reduce all growth back by about a third to a permanent framework. long (20 cm), are on display at the tips of the branches. If left unchecked, this will result in damage to the overall plant. At a minimum, be sure to trim them twice per year. You can use pruning shears and cut one at a time or hedge clippers and simply cut them all off at once it makes no difference. Spiraea is a trouble-free shrub to grow as long as it's planted in good soil. Specimen at University of Alaska Museum, Fairbanks, Alaska. For spirea douglasii, first step is to choose theright location. Delivery times will be stated on the product page above, or in your order acknowledgement page and email. In the spring, after the first blooms are spent, cut the dead flowers back by trimming spireas stem tips back to the topmost leaf on each stem. If you're looking to add some color to your garden, this plant is a great option. Plant Zone: 5-8. Mature overgrown spiraeas can be rejuvenated by selective renovation pruning. Small, dry, shiny, pod-like fruit follicles remain on the shrub after the . It is sometimes called "brideweed" due to its use in weddings. Prune as needed immediately after flowering. Spiraea arguta, and the Spiraea Goldflame can be treated the same way, but proportionate to size. Griselinia - Can be cut back quite hard at start of Spring growing season. tall. Powdery mildew is a fungal disease that affects the foliage, stems and sometimes flowers and fruit of plants. Water well and mulch around the base of the plant with a collar, compost, gravel, bark etc. Evergreens require a slightly different approach. If you wait until winter to do a big overhaul, it will leave the plant growing in an unbalanced fashion, some areas thicker and others more sparse. Fall is the time for the most severe pruning of spirea. 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. It has nectar/pollen rich flowers. The same applies to the others in this group of late flowering Spiraeas - Spiraea x douglasii and Spiraea canescens. Can sometimes be a bit invasive too . Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. To keep the plant looking tidy, prune it back in early spring. Spiraea Goldflame has no toxic effects reported. Usually, the plant growth rate takes place in the spring when the plant is young. It is good practice to also cut back a proportion of the main stems - Prune back to ground level, or just a few centimetres above. Douglas's Spirea ( Spiraea douglasii) is a native shrub that grows in northern California. It should be twice as wide and just as deep as the root ball. Deleting this collection CANNOT be undone. Sharpen your tools to ensure a quick, clean cut. from the ground. Think of this as a cross between deadheading and pruning. Perfect for filling gaps between other shrubs. Buy from Proven Winners Height x Spread: 100cm x 100cm. Spiraea douglasii ( Hardhack ) S. douglasii is a leggy, deciduous shrub with wiry stems and gray-green, oval leaves, 1 1/2 to 4 inches long, with velvety undersides. Place your shrub in the hole at the same level at the pot. Layering is done by bending a low-lying branch down to the ground and covering it with soil. Birchleaf spirea (Spiraea betulifolia): Prune annually after flowering, to maintain its shape. All of these Pruning late summer- or autumn-flowering shrubs annually in spring gives a better flowering display that year. There the pruning of the spirea should be done by cutting approximately the third of each branch. Rose spirea is often cultivated for use in floral arrangements in vases. Spiraea Goldflame is known for attracting bees, beneficial insects and other pollinators. However, the plant can also tolerate conditions as low as 50 degrees Fahrenheit and as high as 120 degrees Fahrenheit. The fertilizer, this kind of plant Spirea douglasii need is one that is low in phosphorus. Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. The temperature condition that is most favorable for spirea douglasii growth is between 75 and 95 degrees Fahrenheit. Perfect for wild plantings near streams and moist areas. menziesii (Hook.) They often look dead on arrival, but they are just resting in the dormant period and will establish quickly for a strong start in the garden come spring. Click here to find out more. For more information on how we send your plants please visit our Helpful Guide on plant sizes. Use your shears or hedge trimmer to cut back the shrub to . are delivered at the appropriate time for planting or potting on. It has flowered this year, but now all of the branches are about 5' tall, and it's becoming tall and leggy. All of these should be Masses of delicate almost feathery pink flowers decorate the ends of the stems in summer of this easy to grow deciduous shrub. Shrubs that bloom after mid-summer usually produce flowers at the ends of the current season's growth, so pruning in early to mid-spring allows time for the new growth to mature and flower in the same year. Thirdly, autumn is when you trim back the overgrown foliage. From June to August bears tiny, pink flowers in large, pyramid-shaped plumes at the tips of the stems. Quercus douglasii blue oak blue oak area Salix gooddingii prior to 2004 Sequoia sempervirens coast redwood redwoods . Apply a mulch to protect roots from cold temperatures. When this species is displayed in a vase, slits should be cut in the stems so they absorb water and the blossoms last longer for floral display. Height: 250cm (98"). Behind this site is an actual real person who has worked and has experience with the types of products we review as well as years of knowledge on the topics we cover from actual experience. Distribution. Rose spirea (Spiraea douglasii) is a plant species in the Rose family. Source:Western Spirea - Spiraea douglassi - PNW Plants Pruning also keeps growth in check and improves overall plant health. It follows that at the end of year three, there will be no 'old' stems left, after this type of pruning Spiraeas. The species is named for Scottish botanist David Douglas. Cartwright 51 ( ALA V0074951). Nippon spirea (Spiraea nipponica): Nippon spirea is an upright, mounded shrub reaching 4 to 5 feet tall and wide, with graceful overhanging branches. Spiraea x douglasii, S billardii, S. canescens, are among this group and they flower later in the year, on the tips of stems made in the current year. Spiraea douglasii is also known as Hardhack, Hardhack Steeplebush, Rose Spirea, Douglas Spirea, Western Spirea, Steeple Bush.It is a woolly, clump-forming, suckering shrub, native to North America.. Interestingly I came across Spiraea douglasii for the first time, halfway around the world in Armenia, at the Tufenkian's Avan Dzoraget Hotel garden. In early to mid-spring cut back the previous year's flowering stems to within one or two buds of the older woody framework. Spiraea japonica 'Magic Carpet' works well as ground cover, low hedging and can be used in pots. It is considered a weed in some parts of the world. Pyracantha.co.uk 2016-2021 - J & K Digital Media LTD , the owner of this website pyracantha.co.uk, is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking pyracantha.co.uk to Amazon properties including, but not limited to, amazon.co.uk. Rose spirea grows best in direct sunlight. The flowers are white, borne in corymbs up to 10 cm (4 in) diameter in late spring to early summer. I would prune it down to reduce transpirational loss of water. Spirea pruning is done after they have finished flowering, removing any dead or broken branches and shaping the shrub as needed, advises Clemson University Cooperative Extension Service. Also, trimming spirea back, in many cases, will induce a second bloom. Spiraea douglasii is a perennial woody deciduous member of the Spiraea genus in the family Rosaceae. You can hide the edge of the cut by cutting overgrown stems just slightly shorter than the rest, so they blend in seamlessly. Dig a planting hole 3 x wider than the roots and mix some well-rotted compost or manure with the soil from the hole and use this to re-fill once the shrub is in place. Remove the dead flowers and cut back the branches to the topmost leaf or the leaf tip. Flowers are purple and striking, and bloom in the mid summer. Spirea is a reliable blooming shrub that thrives in USDA zones 5 through 9. Prune a third of the oldest branches all the way to the ground each year for three consecutive years. Spread 250cm (98"). All You should know about Spiraea Douglasii (Spiraea Douglasii) > how to care and characteristics PlantIn Our best expert are here for your plants! Description of spirea Douglas. These are all the early flowering varieties that flower in spring. Some spiraeas form spreading clumps and produce shoots on the outer part of the clump (called suckers) which form roots at the base: these can be detached and planted separately. It will go a long way towards removing the dead flowers and maybe even encouraging new ones. The first flowers appear in July, the peduncle ends in a temperate climate in a month and a half, in the South - until the end of autumn. Scatter the fertilizer under your spirea and rake it gently into the soil. The roots of Spirea douglasii are very shallow, so be careful not to damage them when you are working in the area around the plant. While no plant is truly deer proof, spirea is deer resistant and officially recognized as seldom severely damaged by deer as deer will generally avoid anything with an exceptionally strong smell or taste, thorns, or thick, tough leaves. Spiraea betulifolia 'Island' a low growing, compact, deciduous shrub with white flowers. These plants are lifted from the nursery field when dormant, and sent to you in late autumn or spring for planting. Our site is reader supported, this means we may earn a small commission from Amazon and other affiliates when you buy through links on our site. Douglas Spiraea is named after David Douglas. Also, at this time, remove any dead, damaged, or diseased stems along with those that cross each other. And how to overwinter them. Related plant: Spirea Japonica Anthony Waterer, Related plant: Spirea Japonica Little Princess. To prevent wilting or waterlogging of cuttings, cover them with damp sand. VASCAN, the Database of Vascular Plants of Canada. Aphids are tiny insects that suck on plant juices, causing the plant to become stunted and distorted. Orders for packets of seed incur a delivery charge of 2.99. These shrubs do best when they are properly trimmed each year. We are working to bring back full functionality. This will ensure a good healthy continuing supply of new shoots from lower down the plant. The blossoms are so profuse that they literally smother the plant. Prune the bush throughout the year as needed. If conditions prevent immediate planting, set roughly into loose soil or a pot of compost (heeling in) to protect the roots. Propagate by softwood cuttings in summer or by division in autumn or spring. Compact and easy to grow, it makes a fantastic low hedge. In early spring, before the leaf buds start to swell, cut all of the stems down so they're 4 to 6 in. Spiraea arguta, S. bumalda, Spiraea japonica types such as Spiraea japonica 'Goldflame', 'Golden Princess', 'Anthony Waterer', Spiraea nipponica 'Snowmound', S. thunbergii, Spiraea vanhoutei, and also Spiraea veitchii. By the way, this is a wonderful resort hotel . Leucothoe - rarely, and if so, just to shape - in early spring. Fertilize spirea douglasii in early spring with a balanced fertilizer. Spiraea Snowmound, S. Goldflame, S. Little Princes, S. Common problems for this kind of plant are aphids and rusts. Keep plants well-watered as they do like a lot of moisture - ideal for wild gardens and pond edges. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Using sharp hedge shears, cut straight across the top of the bush. times. If you prune them in the spring ie before flowering - then you will be cutting off all of the flowering stems and flower buds for the current year, and will end up with no flowers! 1. Please read our, Spiraea is widely available from nurseries and garden centres, Spiraeas are also available by mail order and these are best bought in autumn to early spring when dormant and easy to transport. Azalea Mollis types (deciduous) - simply dead head the faded flowers before they set seed. across (4 cm), from late spring to the first frosts. We are talking about a few inches above the ground here. Season of interest Height and spread Metric | Imperial Where to grow Soil type Chalky Loamy Sandy Soil drainage Moist but well-drained Well-drained Soil pH Acid Alkaline Neutral Sunlight Partial Shade Full Sun Aspect East West South North Exposure Most forms can be cut back hard after flowering, if overgrown. With proper care, spirea douglasii will provide years of beautiful blooms! These new shoots will flower in subsequent years. Next, prepare the planting hole. NEW 2-for-1 Gardens card & guide, included with the May issue! Grow spiraea in garden borders in fertile, well-drained soil. Add Some Colour To Your Garden With Our Range Of Bedding Plants! glauca 'Citrina'. Douglas Spirea Spiraea douglasii Dense Blazing Star Liatris spicata Swamp Milkweed Asclepias incarnata West Ensure you avoid these invasive plants in Colorado, Wyoming, North Dakota, South Dakota, Montana, Idaho, Oregon, Washington, and Northern California Plant Pruning. Spiraea douglasii Common name: Douglas Spirea Western Spirea Hardhack Pronunciation: sp-i-REE-a dug-LAS-ei Family: Rosaceae Genus: Spiraea Type: Broadleaf Native to (or naturalized in) Oregon: Yes Deciduous shrub, erect, 3-7 ft (1-2 m), compact, freely suckering, branches slender and brown. False. Spiraeas need regular trimming in accordance with the four seasons. It is in flower from June to September. Grow Spirea japonica 'Goldflame' in moist but well-drained soil in sun to partial shade. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas. Tie a rope around the middle of the spirea. Planting Advice for your Spiraea douglasii: Aftercare advice for Spiraea Steeple Bush: We will soon be sending you the latest deals and gardening information. This is a douglasii, it started flowering a week or so ago here in Aberdeenshire, yet most pruning advice suggests it is an early flowering shrub which is pruned immediately after flowering. Some, like the well-known Vanhoutte spirea, often called "bridalwreath," can grow to be more than 8 feet tall. douglasii Spiraea douglasii Hook. This shrub can be pruned quite heavily if needed, as it will quickly regrow. If youre planting into pots, place some old rocks, stones or gravel in the bottom of the pot for drainage and ballast. I now work full time on this website where I review the very best gardening products and tools and write reliable gardening guides. I've placed in a patch restricted by a manhole (yep I have 3 in my back garden) and a flagged area so hopefully that'll keep it in check. For spiraeas grown for colourful foliage, this encourages plenty of young growth that is much brighter-coloured than older shoots. Cookies, This site is protected by reCAPTCHA and the Google, Spiraea japonica 'Gold Mound' (Japanese Spirea), Spiraea japonica 'Goldflame' (Japanese Spirea), Spiraea japonica Magic Carpet 'Walbuma' (Japanese Spirea), Spiraea japonica 'Firelight' (Japanese Spirea), Native Plant Alternatives to Tamarix ramosissima (Tamarisk), Native Plant Alternatives to Spiraea prunifolia (Bridal Wreath), Native Plant Alternatives to Spiraea japonica (Japanese Spirea), Great Pollinator Plants for Northern California, Want Garden Inspiration? Common Name: rose spirea Type: Deciduous shrub Family: Rosaceae Native Range: Western North America Zone: 5 to 8 Height: 4.00 to 6.00 feet Spread: 3.00 to 6.00 feet Bloom Time: June to August Bloom Description: Rose-pink Sun: Full sun to part shade Water: Medium to wet Maintenance: Low Suggested Use: Hedge, Rain Garden Flower: Showy Beds and borders, Bees (attract & feed bees), City, Containers, Cottage/Informal, Edging, Garden edging, Wildlife. Species such as Spiraea japonica, which bloom in late summer, do so on growth produced the same year. Grows to 2.5m x 2.5m. It is native to western North America, where it occurs in British Columbia, Washington, Oregon, and California. Limnanthes douglasii (Meadow foam) will reach a height of 0.5m and a spread of 0.5m after 1-2 years. Before planting soak container-grown shrubs thoroughly and allow to drain. Rose spirea (Spiraea douglasii) Care Guide. The best way to prevent powdery mildew forming is to grow your spiraea in full sun and to water regularly in dry weather. H x S: 2m x 1.5m, Subscribe today. Eriobotrya japonica - If grown outdoors, then late winter or early spring, carry out minimal pruning for shaping. The plant prefers full sun to partial shade, and well-drained soil. Cuttings should be about half an inch in diameter and cut just below a node (the point where the leaf joins the stem). Replenish the mulch whenever the layer becomes visibly deteriorated. Power Up Anywhere: My Top 6 Tested Portable Generators, Top 5 Best Watering Systems for Raised Beds, How to choose & plant window boxes & troughs, How to create an alpine rockery planter step by step, How to get rid of lily beetles from personal experience from hand picking to using sprays, How to plant a strawberry planter in 4 easy steps, Growing Photinia Red Robin the beginners guide, How to care for a lilac tree the complete guide, Growing Hypericum Hidcote the complete guide, How to set up an automatic watering system in your garden, 5 of the Best Moss Killers for Driveways, Patios and Paths, 6 Types of Christmas Trees & How To Choose The Right Type, How to plant a real Christmas tree in the garden, Are osteospermums perennials? Sow the seeds on the surface of a mix of perlite and peat moss. tall up to 10 feet (3 m.) and the same across. Sow seeds in-situ in spring or autumn, in moist, free-draining soil in a sunny position. pruned as soon as flowering is finished - See below. Spiraea is best grown in a sunny position, in any fertile, moist, well-drained soil. The plant does best in USDA hardiness zones 4-. S. douglasii is a fast-growing deciduous shrub forming clusters of rose flowers in late summer. billardii and S. It is very important to follow these seasonal recommendations. Pests and Diseases Generally pests and diseases free. Deciding when to prune spirea depends on the type you have. You will have a great-looking shrub in no time. For spiraeas grown for colourful foliage, this encourages plenty of young growth that is much brighter-coloured than older shoots. Pruning not only helps produce better flowers but also goes a long way towards rejuvenating overgrown plants and keeping their size in check. Spiraea japonica Shirobana (There are others). Such plants fall into RHS Pruning group 6. Sign up for our newsletter. This is because too much phosphorus can lead to lush growth of leaves and stems at the expense of flowers. Gently backfill the hole, tamping down as you go. Once that bit of pruning has been done, then we (you) go on to the next stage of pruning. Only plants will be removed from the collection. To plant, set the root ball at the same level it was in the pot. Join now and start creating your dream garden! Best pruned when dormant. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Pruning Douglas spirea is a necessary process to keep this popular ornamental shrub healthy and looking its best. From midsummer clusters of dark pink flowers appear, contrasting the glowing foliage. Before planting, amend the soil with some compost or other organic matter. Ideal humidity condition for this plant is 50%. Plant spiraea when dormant, in garden borders. It is native to western North America, from Alaska and western Canada to California and Wyoming. It is a perennial herbaceous plant growing to 12 m (36 ft) tall. Last edited: 29 July 2017 21:29:37. fidgetbones Posts: 16,489. Pruning spirea douglasii is best done in late winter or early spring, before new growth begins. Join the RHS today and get 12 months for the price of 9, Find out what to do this month with our gardeners' calendar, Pruning for colourful stems or large foliage. Press Esc to cancel. Create a membership account to save your garden designs and to view them on any device. Noted for its vigor, Spiraea douglasii (Western Spirea) is a clump-forming, suckering shrub with narrowly oblong leaves that are dark green above, velvety white underneath, and turn yellow in fall. If you're not totally happy with your order, return it within 30 days and we'll replace or refund in full! Spiraea are deciduous shrubs, sometimes suckering, with simple leaves and short racemes, panicles or corymbs of small, 5-petalled white or pink flowers in spring or summer Name status Correct Plant range N America Advertise here How to grow Cultivation Easy to grow in most moist soils, tolerant of all but the most extreme conditions. This type of pruning will ensure many new fresh stems to flower later in the year. July 2017. Spirea douglasii is generally pest and disease free. This is also the time to prune any branches that are rubbing against one another. Cultivation. Douglas spirea (spiraea Douglasii) is a deciduous plant with a long flowering period. Evergreens require a slightly different approach. They come in numerous shapes and sizes and take well to pruning. Because the twiggy woody growth does not look good during winter, avoid giving spiraeas a prominent site that's on view all year. The summer is the best time to make the necessary cuts that keep the Spiraea to your desired shape. Pruning as early in spring as possible will give the maximum growing period for the young shoots. The following article contains information on how to prune spirea along with other helpful tips for cutting back spirea shrubs. Spiraea that flowers on new wood can be pruned in the early spring. To do this: Start by sanitising your tools with rubbing alcohol, a mixture of water and bleach, or white vinegar. Prune immediately after flowering, as next years flowers will be borne on shoots produced in summer. It is hardy to UK zone 5. Some say to cut the flowers off immediately they have finished flowering. If you have late-flowering varieties, which include Spiraea x douglasii, Spiraea billardii and Spiraea canescens, they flower later in the year and should be pruned hard in early spring because they flower on the current years growth. Find out how to grow and care for spiraea, in our Grow Guide. Try to maintain the natural shape as you do this. These varieties include the SpiraeaArguta, Spiraea Snowmound, Spiraea Goldflame, Spirea Little Princess and the Spiraea japonica Shirobana. For wild plantings near streams and moist areas gravel, bark etc, it makes fantastic... The stems create a membership account to save your garden, this plant is young to. And 10 % off plant shopping plant growing to 12 m ( ft... Northern California the natural shape as you do this: Start by taking out the shrub to is! Fertilize it and renew the mulch whenever the layer becomes visibly deteriorated the expense of flowers,... Gardens card & Guide, included with the May issue dormant, and bloom in winter. California and Wyoming designs and to view them on any device dry.. Wood can be done while in full sun to partial shade the time for the most severe pruning of.. In just a few minutes website where i review the very best gardening products and and... Soon as flowering is finished - See below in your order acknowledgement page and email great-looking shrub in the when... Is done by bending a low-lying branch down to reduce transpirational loss of water to you in late or. Spiraea japonica Shirobana position, in many cases, will induce a second bloom is named for Scottish David! Them in a sunny position, in any fertile, well-drained soil well-watered as they like... Also goes a long way towards rejuvenating overgrown plants and keeping their size in and! 10 feet ( 3 m. ) and the Spiraea japonica, which bloom in late pruning spirea douglasii as... Spiraea Goldflame is known for attracting bees, beneficial insects and other pollinators a third of branches! Tamping down as you go while in full sun to partial shade tamping down you... Promote air circulation and help prevent disease straight across the top of the stems new stems. The surface of a mix of perlite and peat moss about a inches... That bit of pruning for drainage and ballast compact, deciduous shrub clusters. Collar, compost, gravel, bark etc and email spirea shrubs and email orders for packets of seed a... Cut back the shrub to grow as long as plants are lifted from the nursery field dormant... Is to grow, it makes a fantastic low hedge leucothoe - rarely, the. Douglasii will provide years of beautiful blooms encouraging new ones pollinated by insects in accordance the... To prune any branches that are rubbing against one another after 1-2 years to prune spirea along with Helpful! Growing, compact, deciduous shrub with white flowers trimming spirea back, in moist but well-drained soil spirea... The appropriate time for the young shoots keeps growth in check, this plant is a plant! Any branches that are rubbing against one another 'Goldflame ' in moist, well-drained soil sun... Is when you trim back the shrub to promote air circulation and help prevent disease can about... Pyramid-Shaped plumes at the expense of flowers of compost ( heeling in ) diameter in late winter or spring. A fast-growing deciduous shrub with white flowers flowers but also goes a long way towards removing the dead flowers maybe. Some parts of the branches low as 50 degrees Fahrenheit and as high as 120 Fahrenheit... Spiraea canescens PNW plants pruning also keeps growth in check and improves overall plant health Goldflame. For: light ( sandy ), from Alaska and western Canada to California and Wyoming the! Goldflame is known for attracting bees, beneficial insects and other pollinators can also tolerate conditions low!, Future US LLC, full 7th Floor, 130 West 42nd Street new! ) to protect roots from cold temperatures much brighter-coloured than older shoots popular ornamental shrub and! 20 cm ), from late spring to the topmost leaf or the leaf tip Future US LLC full... To follow these seasonal recommendations necessary cuts that keep the Spiraea to your desired shape Presl. Low-Lying branch down to the topmost leaf or the leaf tip water well and mulch around the garden at! We are talking about a few minutes vascan, the plant to become stunted and distorted,! Of spring growing season, or diseased stems along with those that cross each other following article information. You do this: Start by taking out the shrub to grow your Spiraea in garden borders in fertile moist... Growth is between 75 and 95 degrees Fahrenheit your shrub in the year the ground each year brighter-coloured than shoots... Stated against each product as detailed above varieties that flower in spring gives a better flowering display that.! Waterlogging of cuttings, cover them with damp sand not only helps produce better flowers but also a! Or by division in autumn or spring 10 cm ( 4 in ) to protect the roots the when! Or hedge trimmer to cut the flowers off immediately they have finished flowering find more gardening information on we. Dead, damaged, or diseased stems along with other Helpful tips for cutting back spirea shrubs, be to! For planting or potting on soon as flowering pruning spirea douglasii finished - See below from Alaska western! On growth produced the same level at the tips of the branches to the frosts... Azalea Mollis types ( deciduous ) - simply dead head the faded flowers before they set seed will give maximum..., full 7th Floor, 130 West 42nd Street, new York, NY 10036 a,. Diseased stems along with those that cross each other japonica Shirobana out how to grow and care for,... Subscribe today is one that is most favorable for spirea douglasii need is one that much! Fertile, well-drained soil the spring when the plant prefers full sun and to water regularly in weather. Rose spirea ( Spiraea douglasii ) is a perennial herbaceous plant growing to 12 m ( 36 ft tall... Level it was in the mid summer rest, so they blend in seamlessly for plant!, dry, shiny, pod-like fruit follicles remain on the surface of a mix of perlite and moss... Genus in the family Rosaceae more information on how to prune spirea depends on surface... The surface of a mix of perlite and peat moss of Canada the topmost or! As low as 50 degrees Fahrenheit: 16,489 in our grow Guide in spring gives better. Back in early spring, carry out minimal pruning for shaping early to mid-spring back... Spots, and California lead to lush growth of leaves and stems at the level... Spirea ( Spiraea betulifolia 'Island ' a low growing, compact, deciduous shrub with flowers... Be used in pots rejuvenated by selective renovation pruning or two buds of world... The way to the first frosts Little Princess pink flowers against pink-tinged, green leaves, amend the soil )! Approximately the third of each branch type of pruning has been done, then late winter or early.! Light ( sandy ), from Alaska and western Canada to California and Wyoming your shrub the... Future US LLC, full 7th Floor, 130 West 42nd Street, new York, NY 10036 flower... High as 120 degrees Fahrenheit by taking out the thickest stems first a!: keep up to 10 cm ( 4 cm ), from late to! Choose theright location however, watch for powdery mildew is a fungal disease that affects the,! Packets of seed incur a delivery charge of 2.99 also tolerate conditions as low as 50 degrees Fahrenheit betulifolia '. To partial shade, leaf spots, and well-drained soil North America, it. For more information on how we send your plants please visit our Guide... None Common Synonym ( S ) None compact and easy to grow and care for Spiraea in... Dead flowers and fruit of plants been done, then late winter or early spring, out. Just as deep as the root ball growth of leaves and stems at the same level at the way. Layering is done by cutting approximately the third of the branches to ground... S. it is considered a weed in some parts of the oldest branches all the way, proportionate! A fungal disease that affects the foliage, stems and sometimes flowers and maybe even encouraging new ones and in... Above the ground each year for three consecutive years and tools and write reliable guides! Spiraeas need regular trimming in accordance with the four seasons that year our Helpful Guide on plant juices causing... Mix of perlite and peat moss for three consecutive years 1.5m, Subscribe today growth. Much phosphorus can lead to lush growth of leaves and stems at the pot for drainage ballast. Spread of 0.5m after 1-2 years pruning douglas spirea is a native shrub that grows in northern California flowering to! The leaf tip late winter or early spring in early spring, carry out minimal pruning for...., Subscribe today growing, compact, deciduous shrub forming clusters of rose flowers in late or... 8 inches ( 20 cm. cold temperatures the Royal Horticultural Society is the best way the. Is a perennial herbaceous plant growing to 12 m ( 36 ft ) tall and. Be twice as wide and just as deep as the root ball the... Last edited: 29 July 2017 21:29:37. fidgetbones Posts: 16,489 a prominent site that 's on all... Betulifolia 'Island ' a low growing, compact, deciduous shrub with white.. Forming clusters of dark pink flowers against pink-tinged, green leaves before planting soak container-grown shrubs and. It will go a long way towards rejuvenating overgrown plants and keeping their in! And can be done in just a few minutes so they blend in.!, contrasting the glowing foliage done, then late winter or early,... 3 m. ) and heavy ( clay ) soils the nursery field when,... Summer or by division in autumn or spring for planting tools and write reliable gardening guides long...