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 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. 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! Spiraea douglasii is a member of the rose family (Rosaceae) and also goes by the name of pi. 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. But most of the rest of the types stay under 5 feet, or shorter with a little pruning. Should any hardy plant fail to thrive thereafter, we'll replace free of charge - you just pay the P&P. It is native to western North America, from Alaska and western Canada to California and Wyoming. Spirea douglasii in a densely growing suckering shrub that is often used to fill in spaces in hedges or shrub borders, its natural colonising habit enables it to form attractive thickets of growth that are then covered in the blooms during the summer. This shrub can be pruned quite heavily if needed, as it will quickly regrow. Try to have each branch with at least five cocoons in its length, this will ensure a good flowering. 2023 Thompson & Morgan. Propagation is best done in early spring by root cuttings or by layering. C. Presl Sub-species None Cultivar None Common Synonym (s) None. At a minimum, be sure to trim them twice per year. The same applies to the others in this group of late flowering Spiraeas - Spiraea x douglasii and Spiraea canescens. Especially suited to cottage gardens and informal plantings. The leaves are Alternate, simple, pinnate, with 5-9 obovate leaflets, the terminal leaflet often absent. 222879 / SC038262, Free entry to RHS members at selected Spiraea douglasii is a perennial woody deciduous member of the Spiraea genus in the family Rosaceae. These shrubs do best when they are properly trimmed each year. They're a perfect fit in most anyone's garden. Refill the hole with the earth removed (backfilling) and firm in the soil with your heel, avoiding the root ball. Pruning out around one in three of all the old stems - but right back to near ground level. 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. Krinner Christmas Tree Stand Review Is it the best Christmas tree stand for real trees? Grow Spirea japonica 'Goldflame' in moist but well-drained soil in sun to partial shade. Flowers are borne in profusion and in heads or clusters made up of many tiny blooms, which are white, pink or purple in colour. In fact, mature plants can reach just shy of 2 metres tall. If you want to prune your Spiraea once a year to keep it within a certain size then we recommend pruning straight after flowering, which, in the UK, is usually around June for most varieties. Varieties Spiraea douglasii Hook. Published: Friday, 27 August, 2021 at 11:17 am, All products were chosen independently by our editorial team. It is very important to follow these seasonal recommendations. Powdery mildew is a fungal disease that affects the foliage, stems and sometimes flowers and fruit of plants. Spiraea douglasii is a woolly shrub growing 0.91-1.83 metres (3-6 feet) tall from rhizomes, forming dense riverside thickets. This type of pruning will ensure many new fresh stems to flower later in the year. Spirea japonica 'Goldflame' is a colourful shrub. S. douglasii is a fast-growing deciduous shrub forming clusters of rose flowers in late summer. To prune, simply remove any dead, diseased, or weak branches. It is hardy to UK zone 5. are delivered at the appropriate time for planting or potting on. Save my name, email, and website in this browser for the next time I comment. This stimulates development of strong new growth on which flowers will be produced in late summer. Next, prepare the planting hole. 1. Buy from Proven Winners Spiraea is a trouble-free shrub to grow as long as it's planted in good soil. Use the best compost you can buy and some sand or grit for drainage. H x S: 2m x 1.5m, Subscribe today. These are all the early flowering varieties that flower in spring. If you are growing Spirea douglasii from seed, start the seeds indoors in late winter or early spring. A division of Branded Garden Products Limited. 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. The best way to prevent powdery mildew forming is to grow your spiraea in full sun and to water regularly in dry weather. Rose spirea grows best in direct sunlight. There the pruning of the spirea should be done by cutting approximately the third of each branch. Try to make the cuts within inch (6 mm.) These plants may be either spring- or summer-flowering. Spirea douglasii is generally pest and disease free. The description of these plants has been written based on numerous outside resources. Pruning spirea after a couple of years will rejuvenate the plant. Registered Company Address: Eventus House, Sunderland Road, Market Deeping, Peterborough, PE6 8FD. 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. Japanese spirea should be tip pruned in late winter or early spring prior to bud swell and before the shrub leafs out. Sign up for our newsletter. Gently backfill the hole, tamping down as you go. A fertilizer of blood, fish and bone is a good-value option, though you can also purchase commercial fertilizers. To plant, set the root ball at the same level it was in the pot. 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. This type of pruning will ensure many new fresh stems to flower later in the year. When the seedlings are large enough to handle, transplant them into individual pots. Appreciate your help. In early summer, long plumes of fragrant, rose-pink flowers, up to 8 in. tall. Rose spirea (Spiraea douglasii) is a plant species in the Rose family. Tie a rope around the middle of the spirea. Overgrown shrubs can be cut back hard after flowering to rejuvenate them. Plant calendar Spiraea 'Goldflame' and wildlife Spiraea 'Goldflame' is known for attracting bees, beneficial insects and other pollinators. Try to maintain the natural shape as you do this. It is also commonly known as Hardhack, Steeplebush, or as Western, Pink or Rose Spiraea. The cuts should be within 1-2cm of a bud or leaf, if possible. RHS Registered Charity no. Set these at the same level as they were in the nursery field you should see a soil line at the base of the stem. Especially suited to cottage gardens and informal plantings, it can be clipped back hard and will recover rapidly. 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. glauca 'Citrina'. Set out in prepared soil in holes wide enough and deep enough to lay out the roots. [6] The leaves are 2.5-10.2 centimetres (1-4 inches) long and toothed toward the tips. We aim to enrich everyones life through plants, and make the UK a greener and more beautiful place. Add Some Colour To Your Garden With Our Range Of Bedding Plants! More planted 2022. I think I'll leave as is, water regularly and keep an eye on it. douglasii Spiraea douglasii Hook. spring. hardhack - Spiraea douglasii. Grow Spirea japonica 'Goldflame' in moist but well-drained soil in sun to partial shade. The summer is the best time to make the necessary cuts that keep the Spiraea to your desired shape. We are talking about a few inches above the ground here. Pretty pink flowers. menziesii (Hook.) Finally, the end of the year brings with it another opportunity to get rid of dead and damaged wood. To keep the plant looking tidy, prune it back in early spring. Height: 250cm (98). 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. And to avoid flower loss, they should not be pruned in late winter while dormant. var. Aucuba - A misunderstood evergreen shrub that can actually look quite good - even spectacular - with the right pruning. Pruning as early in spring as possible will give the maximum growing period for the young shoots. Click here to find out more. Alaska. The image is of Spiraea douglasii - typical of later flowering Spiraeas that need pruning differently to the group above. Supplied as an established plant in a 3L pot, ready for planting out. Reduce all growth back by about a third to a permanent framework. I have a Spirea Douglasii. Contents Description of Douglas' spireaSpirea DouglasRead more. 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. Prune the bush throughout the year as needed. White-flowered spiraeas are sometimes known as bridal wreath. It is considered a weed in some parts of the world. Use your shears or hedge trimmer to cut back the shrub to . douglasii. Pruning also keeps growth in check and improves overall plant health. Keep the seedlings moist but not wet and place them in a bright location. Prune a third of the oldest branches all the way to the ground each year for three consecutive years. Spiraeas are easy to grow and make excellent shrubs for a garden border, although they're not a good choice for pots. Distribution. Deleting this collection CANNOT be undone. The foliage emerges bronze-red in spring, maturing to bright yellow and then green. Growing Hazelnuts in the Pacific Northwest: Introduction. Set the plants in the bed, spacing them 18 inches apart. Evergreens require a slightly different approach. 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. From midsummer clusters of dark pink flowers appear, contrasting the glowing foliage. Spiraea Goldflame has no toxic effects reported. Suggested uses. The varieties of Mock Orange that can be pruned in this way include Sizeable 'flowered' shoots are cut right out, taking the overall height down by about 60cm (24in). Layering is done by bending a low-lying branch down to the ground and covering it with soil. 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. Some, like the well-known Vanhoutte spirea, often called "bridalwreath," can grow to be more than 8 feet tall. Height: 250cm (98"). Growing Spirea Shrubs: Information On How To Care For Spirea Bushes, Pruning Spirea Shrubs: Learn About Trimming Spirea Plants, Spirea Plant Varieties: Learn About Different Kinds Of Spirea Bushes, Common Flowering Quince Diseases And Pests, These Weeds That Spread By Seed Can Sprout After Years, 3 Common Gardening Mistakes That Harm The Environment, Mandrake Division How To Divide Mandrake Roots, Mermaid Garden Ideas Learn How To Make A Mermaid Garden, Succulent Offset Information: What Are Succulent Pups, Phoma Blight Disease: How To Stop Phoma Blight In Plants, Home & Garden Marketplace: Advertiser Info. They contrast nicely against the foliage mound of small, pinnate, dark blue-green leaves. 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. 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