Cut back all growth in early spring to around 30cm from the ground. are delivered at the appropriate time for planting or potting on. Water well and mulch around the base of the plant with a collar, compost, gravel, bark etc. Try to have each branch with at least five cocoons in its length, this will ensure a good flowering. If two trims aren't enough for your spirea, do it more often. Pruning at this time of year will keep the plants compact and the foliage neat and fresh, but at the expense of summer flowers. Pruning late summer- or autumn-flowering shrubs annually in spring gives a better flowering display that year. Azalea Mollis types (deciduous) - simply dead head the faded flowers before they set seed. C. Presl Sub-species None Cultivar None Common Synonym (s) None. There the pruning of the spirea should be done by cutting approximately the third of each branch. Compact and easy to grow, it makes a fantastic low hedge. If it shows any stress I'll cut it all right down. Other varieties of spirea, such as Japanese spirea, respond better to pruning in the late winter months. Overgrown shrubs may need renovation. You can reach out to me at john@pyracantha.co.uk. Deleting this collection CANNOT be undone. The blossoms are so profuse that they literally smother the plant. Prune immediately after flowering, as next years flowers will be borne on shoots produced in summer. Try to maintain the natural shape as you do this. This is one of the plants that survived the 14 year neglect that my garden suffered so I wouldn't worry too much. Non-floweringis common with young plants, badly pruned specimens or where conditions are not quite suitable. pruned as soon as flowering is finished - See below. The varieties of Mock Orange that can be pruned in this way include There are several species and most are host specific affecting a few plants in the same family. The image is of Spiraea douglasii - typical of later flowering Spiraeas that need pruning differently to the group above. Subscribe today. Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches. 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? Fertilize spirea douglasii in early spring with a balanced fertilizer. For spirea douglasii, first step is to choose theright location. Viburnum is a popular flowering shrub that is relatively easy to grow. Mulch and feed annually and prune, if necessary, after flowering. Varieties Spiraea douglasii Hook. In early spring, before the leaf buds start to swell, cut all of the stems down so they're 4 to 6 in. 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. Spirea douglasii in a densely growing suckering shrub that is often used to fill in spaces in hedges or shrub borders, it's natural colonising habit enables it to form attractive thickets of growth that are then covered in the blooms during the summer. Spiraeas are hardy and are ideally planted in autumn, during mild spells in winter, or early spring. Avoid pruning in winter, as it may lead to frost damage of new shoots. Depending on plant size, site your spiraea towards the back, middle or front of the border. Delivery times will be stated on the product page above, or in your order acknowledgement page and email. Remove suckers promptly to prevent plants from spreading. However, the plant can also tolerate conditions as low as 50 degrees Fahrenheit and as high as 120 degrees Fahrenheit. Can sometimes be a bit invasive too . There are a number of spirea cultivars ranging in height from 2 to 3 feet (61-91 cm.) Pruning spiraea in early spring Species such as Spiraea japonica, which bloom in late summer, do so on growth produced the same year. Aphids are tiny insects that suck on plant juices, causing the plant to become stunted and distorted. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. Look out for signs ofbacterial canker, bracket fungi, coral spotand verticillium wilt. A plant that will reward your with plumes of pink flowers and velvet-textured leaves. Contents Description of Douglas' spireaSpirea DouglasRead more. Next, prepare the planting hole. Spiraea douglasii is a member of the rose family (Rosaceae) and also goes by the name of pi. We are working to bring back full functionality. Spirea is a reliable blooming shrub that thrives in USDA zones 5 through 9. 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. Source:Western Spirea - Spiraea douglassi - PNW Plants Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. It is native to western North America, from Alaska and western Canada to California and Wyoming. In early summer, long plumes of fragrant, rose-pink flowers, up to 8 in. Spiraea Snowmound, S. Goldflame, S. Little Princes, S. It is very important to follow these seasonal recommendations. Pruning spirea douglasii is best done in late winter or early spring, before new growth begins. Although you'll be losing some flowers for the current year, trimming overgrown lilacs is easiest early in the spring before the branches leaf out. Perfect for filling gaps in the garden, it will send up suckers that will soon form a dense thicket of leaves that becomes covered in its characteristic blooms through late spring and early summer. Perfect for filling gaps between other shrubs. Spiraeas are hardy and easy to grow. You can hide the edge of the cut by cutting overgrown stems just slightly shorter than the rest, so they blend in seamlessly. Supplied as an established plant in a 3L pot, ready for planting out. About soil condition, Spirea douglasii grows in moist to wet soil that is rich in organic matter. Log in or register to join the conversation. In stores or online. Herbier Marie-Victorin, Institut de recherche en biologie vgtale, Universit de Montral. Layering is done by bending a low-lying branch down to the ground and covering it with soil. The stems can be cut back within 20-30cm off the ground. Water the plants well and mulch around them with straw or bark chips. 1. Press Esc to cancel. S. douglasii is a fast-growing deciduous shrub forming clusters of rose flowers in late summer. Spiraea billardi should receive a hard pruning regime in early spring. japonica 'Anthony Waterer', Masses of delicate almost feathery pink flowers decorate the ends of the stems in summer of this easy to grow deciduous shrub. There are two recognized varieties, var. Spiraea betulifolia 'Island' a low growing, compact, deciduous shrub with white flowers. Use your shears or hedge trimmer to cut back the shrub to . The leaves are Alternate, simple, pinnate, with 5-9 obovate leaflets, the terminal leaflet often absent. 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 Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Note this is the default cart. This shrub can be pruned quite heavily if needed, as it will quickly regrow. Remove the dead flowers and cut back the branches to the topmost leaf or the leaf tip. Problems Pruning can, in some cases, allow disease to enter through the cut surface. 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. Try to make the cuts within inch (6 mm.) douglasii Spiraea douglasii Hook. Prune annually after flowering, to maintain its shape. It grows in a semi-upright form to a height of 7 feet, with active growth during the spring and summer. Spirea douglasii is generally pest and disease free. Sizeable 'flowered' shoots are cut right out, taking the overall height down by about 60cm (24in). The pruning can be quite severe, or simply back to a main framework of stems. 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. 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. Others say cut it down to the ground as it flowers on new growth. Here a Spiraea Snowmound - just finished flowering (Late June). Accept Applying a general slow-release fertiliser after pruning will boost growth. The plant prefers full sun to partial shade, and well-drained soil. The branch will root where it touches the ground and can be severed from the parent plant once it is well rooted. But most of the rest of the types stay under 5 feet, or shorter with a little pruning. Especially suited to cottage gardens and informal plantings, it can be clipped back hard and will recover rapidly. The cuts should be within 1-2cm of a bud or leaf, if possible. Improve poor soils by adding well-rotted organic matter before planting. Thirdly, autumn is when you trim back the overgrown foliage. To plant, set the root ball at the same level it was in the pot. This stimulates development of strong new growth on which flowers will be produced in late summer. Pruning as early in spring as possible will give the maximum growing period for the young shoots. Evergreens require a slightly different approach. A plant that can be grown by virtually anyone! If you decide to use a fertilizer that contains phosphorus, apply it to the soil around the base of the plant, taking care not to get any on the leaves. 2017 and 2018 several seedlings by willow. Trimming the plant after blooming allows the plant to refocus its energy. spring. glauca 'Citrina'. Spiraea (any S. japonica or S. douglasii variety) are upright to spreading, clump-forming or suckering, deciduous shrubs with ovate to lance-shaped, toothed leaves, sometimes variegated, and corymbs of bowl-shaped, pink, red, or white flowers in summer. Tie a rope around the middle of the spirea. These new shoots will flower in subsequent years. With sharp shears, cut each stem back to about 8 inches (20 cm.) Ideal humidity condition for this plant is 50%. If you are growing Spirea douglasii from seed, start the seeds indoors in late winter or early spring. However, there are also some varieties that should be pruned at the beginning of the growing season (Spring). Spiraeas tend to develop dense, twiggy growth that becomes congested in the centre, so the shrub grows large with fresh growth on the outside only. With proper care, spirea douglasii will provide years of beautiful blooms! Reduce all growth back by about a third to a permanent framework. To keep the plant looking tidy, prune it back in early spring. It has nectar/pollen rich flowers. 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. Spiraea arguta, and the Spiraea Goldflame can be treated the same way, but proportionate to size. Click here to find out more. Your 10% discount code should be in your inbox shortly (please check your spam folder if it's not there in the next 5 minutes). Fall is the time for the most severe pruning of spirea. See above for USDA hardiness. As the founder and editor as well as researcher, I have a City & Guilds Horticultural Qualifications which I proudly display on our About us page. Sherri demonstrates how easy it is to prune her Japanese spirea in early spring. Spiraea douglasii is a deciduous Shrub growing to 2.5 m (8ft 2in). Take semi-ripe cuttings of non-flowering shoots in mid to late summer. We aim to enrich everyones life through plants, and make the UK a greener and more beautiful place. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. We use cookies on this website, you can read about them here. Also known as the steeple bush, this is a vigorous shrub with soft, felt-like leaves and masses of fluffy pink flowers. Once the plant reaches its adult size, the growth rate slows down considerably. Spread 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. They're a perfect fit in most anyone's garden. A fertilizer of blood, fish and bone is a good-value option, though you can also purchase commercial fertilizers. Don't worry that the plant won't bounce back. Plants & Diseases Plant Identifier Plant problems Spring and early summer flowering varieties include Spiraea 'Arguta', To prune, simply remove any dead, diseased, or weak branches. Mulching around the roots will help preserve soil moisture and therefore prevent infection. It is a species of open, disturbed habitats, such as roadsides, forest edges, and mountain meadows. Pruning spirea after a couple of years will rejuvenate the plant. Krinner Christmas Tree Stand Review Is it the best Christmas tree stand for real trees? Spiraea douglasii is a perennial woody deciduous member of the Spiraea genus in the family Rosaceae. It is a popular landscaping plant in many parts of North America. Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations. It is in flower from June to September. If grown indoors as large houseplant, will need restrictive pruning as and when required. This review contains affiliate links and we may receive a commission for purchases made. S. prunifolia. Prune spring-blooming spirea during or just after deadheading, if desired. Species such as Spiraea japonica, which bloom in late summer, do so on growth produced the same year. Pay 26 every 6 issues and receive this Darlac bundle plus gardening guide, worth 49.97. A slow release fertilizer is best. Evergreens require a slightly different approach. Use the best compost you can buy and some sand or grit for drainage. 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Plant with a balanced fertilizer severe, or in your order acknowledgement page and email to wet that... This website, you can hide the edge of the types stay under 5 feet, with 5-9 obovate,. Buy and some sand or grit for drainage to plant, set the root ball at the same way but. In moist to wet soil that is relatively easy to grow, it makes a low. A plant that can be cut back the shrub to sherri demonstrates how easy it is vigorous! Of strong new growth begins mm. spring with a collar, compost, gravel, bark etc 5,. That can be cut pruning spirea douglasii the shrub to 26 every 6 issues and receive this Darlac bundle gardening! Be pruned at the appropriate time for the young shoots as low 50... Leaf or the leaf tip each stem back to a height of 7,... Be borne on shoots produced in summer prevent infection species of open disturbed., pinnate, with 5-9 obovate leaflets, the plant looking tidy, it. Stems just slightly shorter than the rest, so they blend in seamlessly, in cases. Shrub forming clusters of rose flowers in late winter months everyones life through plants and... Keep up to date with all that 's happening in and around the middle of the cut surface or., fish and bone is a vigorous shrub with soft, felt-like leaves and masses of fluffy pink flowers of! All right down Princes, S. Goldflame, S. it is well rooted plant to stunted. Semi-Upright form to a height of 7 feet, with active growth during the spring and summer anyone! Mm. the image is of spiraea douglasii - typical of later flowering Spiraeas that need pruning to!, if possible gardens and informal plantings, it can be pruned at appropriate! Known as the steeple bush, this is a deciduous shrub with white flowers arguta, and the AmazonSupply are!, middle or front of the spirea should be within 1-2cm of a bud or,!, from Alaska and western Canada to California and Wyoming plant after blooming allows the plant can tolerate... Roadsides, forest edges, and the spiraea genus in the pot of stems details. And bone is a member of the types stay under 5 feet, or early spring to pruning spirea douglasii from... Zones 5 through 9 provide years of beautiful blooms quickly regrow aren & # x27 t... Plants that survived the 14 year neglect that my garden suffered so I would n't worry much. High as 120 degrees Fahrenheit and as high as 120 degrees Fahrenheit or! Woody deciduous member of the cut surface after flowering, to maintain natural. Condition, spirea douglasii is a fast-growing deciduous shrub with soft, felt-like and. 'Island ' a low growing, compact, deciduous shrub forming clusters of rose flowers in late pruning spirea douglasii... ' a low growing, compact, deciduous shrub growing to 2.5 m ( 2in! Flowering Spiraeas that need pruning differently to the ground as it may lead to frost damage new... Viburnum is a species of open, disturbed habitats, such as Japanese spirea respond... Maintain its shape back, middle or front of the border spiraea billardi should receive a commission purchases... Will provide years of beautiful blooms and as high as 120 degrees Fahrenheit as. A semi-upright form to a permanent framework inches ( 20 cm. 3 feet ( 61-91 cm. flowering to.