Some of the popular spireas are spiraea arguta, billardii, bumalda, goldflame, golden princess, japonica anthony waterer, japonica shirobana, little princes, snowmound, and thunbergii. How to Prune Evergreen Shrubs and Juniper Trees, Monrovia: Snowmound Spirea (Spiraea Nipponica "Snowmound"), Ohio State University Department of Crop and Soil Science: Spiraea Nipponica "Snowmound", University of Illinois Extension: Snowmound Spirea. Sizeable 'flowered' shoots are cut right out, taking the overall height down by about 60cm (24in). Spiraea nipponica ‘Snowmound’ This fast-growing, upright specimen has very attractive small, blunt, dark blue-green leaves and arching branches. ‘Snowmound’ Spirea (USDA Zones 4-9) is a lovely thing, with deep green leaves, reddish stems, a graceful arching habit and rounded form. For most Spiraea species, the height can range from 5 to 8 feet high and an equal spread; however, Snowmound tends to be a bit smaller with a 2 to 4 foot height. Spiraea nipponica, or Snowmound Spiraea, is a drought-tolerant, flowering, deciduous shrub growing rapidly to its full size. Snowmound Spirea is an accent shrub when in flower in late Spring, and is one of the few small shrubs with a vased and arching growth habit. When space is tight, but you want a showy shrub to decorate your landscape, try compact Snowmound Spirea (Spiraea nipponica 'Snowmound'). A prolific flowering deciduous shrub with arching habit. Inflorescence is a rounded or conical corymb, terminal, to 1.5 inches. Flowers on new wood, so prune in late winter to early spring if needed. Ready in 3 - 5 days. However, its appearance is improved with routine upkeep such as watering, light pruning and yearly feeding, as well as heavy shearing every three to four years to rejuvenate the flowering branches and promote a healthier, fuller appearance. Interestingly, it is actually related to the family of roses. Spiraea nipponica ‘Snowmound ’ spy-REE-ah nip-PON-ih-kah. While you can prune it, it is at its loveliest when allowed to grow as nature intends it. Leave a 2-inch gap between the layer of mulch and the base of the spirea's trunk. Avoid spraying the foliage or stems when watering to prevent fungal or bacterial infections. Birchleaf spirea (Spiraea betulifolia): With its arching branches and snowy white flowers, Snowmound spirea (Spiraea nipponica "Snowmound") adds a graceful element to landscaping within U.S. Department of Agriculture hardiness zones 4 to 8. Spread a 3-inch-thick layer of mulch around the base of the Snowmound spirea shrub each spring. Water liberally after spreading the fertilizer to dilute it and push it deeper into the soil. Multicolour Hedges, long a trend in Europe, have begun to catch on in Canada. Spirea, also known as meadowsweet, is a genus of woody shrubs native to eastern Asia. The Snowmound Spirea grows best in full sun, but in warmer zones it will also grow well with a little afternoon shade. Spiraea nipponica, or Snowmound Spiraea, is a drought-tolerant, flowering, deciduous shrub growing rapidly to its full size. It spreads to at least the same width, and sometimes a little more, with a dense and bushy structure made up of many upright but arching branches. S. betulifolia ‘Tor’: This birchleaf spirea grows as a dense, rounded mound … Synonyms Spiraea 'Snowmound' Spiraea nipponica var. is a garden staple, like baguettes on a French dining table or Shakespeare on your bookshelf. White flowers occur in May and completely cover the plant. Spiraea nipponica x 'Snowmound' Snowmound Spirea Graceful, spreading arching branches; Profusion of small clusters of white flowers in spring; Lovely casual hedge or accent plant in the border; Category: Shrub. Spirea (Spirea spp.) The blue-green leaves are shaped as narrow triangles with an acute angle toward the base. It is a hearty old fashioned plant and is commonly found growing in the Northern Hemisphere. Its foliage is thick and blue-green in appearance. Remove the dried fruit and spent flower pedicels in late winter to improve the shrub's appearance. Family Rosaceae . Snip them off at the base using pruning shears. Rake up the old mulch and spread the new layer in a 3-foot radius around the main trunk. Bouquet-like clusters of small white flowers smother the branches in late spring. Spirea Snowmound White is a low–maintenance shrub that is very tough and winter hardy, tolerating all types of soils. Vigorous growing, may spread. It tolerates a wide range of soils, including clay. Habit is dense, upright, and compact. Spiraea nipponica 'Snowmound' About 80 species make up this genus of deciduous or semi-evergreen shrubs. It does get very twiggy that shows up in winter and it can be heavily or drastically renew pruned right after it blooms. Pendulous habit. Heavy pruning should be done in winter at the time when the plant is not actively growing. 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