Buddleja (orth. Butterfly bush is on the state quarantine list, and it is illegal to buy, sell or offer this plant for sale in Washington.For more information see Noxious Weed Lists and Laws or visit the website of the Washingt… Aggressive spreading has been observed in a number of eastern states including Pennsylvania, New Jersey, West Virginia, Kentucky and North Carolina. It forms thick, shrubby thickets that preclude the development of other native species such as willow. NOTE: Butterfly bush is considered an invasive plant in many regions. Provides excellent summer to fall flowers when few other shrubs are in bloom. They have developed sterile butterfly bushes that are currently available in commerce. Sign up for our newsletter. Yes, they do. However, Linnaeus named the genus Buddleja (pronounced with a silent “j”) which is still considered to be the proper spelling (first name survives) according to the International Code of Botanical Nomenclature.Specific epithet honors Pere Armand David (1826-1900), French missionary and naturalist, who found this species growing in China in 1869/1870 along the border of China and Tibet.Common name refers to the plant being very attractive to butterflies. Read on for more information about controlling invasive butterfly bushes as well as information about non-invasive butterfly bushes. There are regions where the threat of invasive spreading is lower due to climate or availability, but … This compact selection has wands of violet-blue flowers, over a mound of silvery-green leaves. In USDA Zones 5 and 6, this plant will often die to the ground in winter and therefore is often grown therein in the manner of an herbaceous perennial. Really a shrub, plants are best treated like perennials and pruned back hard each spring, to maintain a compact, bushy habit. Details [Nanho Purple] is a compact shrub with lance-shaped leaves and fragrant, light purple flowers in dense cylindrical panicles in summer and autumn Characteristics Foliage Deciduous Butterfly bush is considered invasive in many states, as well as England and New Zealand. (15-25 cm) long, velvety and lanced-shaped. Numerous named cultivars have been introduced over the years, expanding the range of flower colors to include pinks, yellows, whites and reds. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. hardy to zone 5, although it performs better in zone 6 and warmer. Nanho Purple Butterfly Bush is an open multi-stemmed deciduous shrub with an upright spreading habit of growth. Usually these are easy-maintenance plants that spread rapidly by generous seed production, suckering or cuttings that root readily. Ideal choice for breaking up long runs of fence. Butterfly bush control is very difficult. Nematodes can be troublesome in the South. Although some gardeners argue that the shrub should be planted for the butterflies, anyone who has seen clogged rivers and overgrown fields of Buddleia realizes that controlling invasive butterfly bushes must be a top priority. Features spike-like terminal clusters (to 6" long) of lavender-purple flowers which bloom from June to September and sometimes to first frost. It pushes its proliferation of perfumed blooms straight through summer and well into fall, providing nourishment to butterflies all season long. Easily grown in average, medium moisture, well-drained soils in full sun. But while the plant is enjoyed by many, butterfly bush does have an equal nuber of detractors. The Nanho butterfly bushes are characterized by narrow, silvery foliage, which gives them a different look in the garden. Foundations. Really a shrub, plants are best treated like perennials and pruned back hard each spring, to maintain a compact, bushy habit. Flowers are also very attractive to hummingbirds and bees. Where is this species invasive in the US. Nanho Purple butterfly bush is another one of the old-fashioned butterfly bushes we offer. The Nanho Blue Butterfly Bush is a wonderful shrub for all those hot, drier spots in your garden. It is noted for its bushy habit, arching stems, showy/fragrant flowers and vigorous growth. Is butterfly bush an invasive species? Origins. It is widely used as an ornamental plant, and many named varieties are in cultivation. 4.5 in. The butterfly bush is such a plant, introduced from Asia for its beautiful flowers. Use in sideyards where flowers are held up at window level. Butterfly bush is a Class B noxious weed on the Washington State Noxious Weed List. A favorite since the 1980s, this full-sized plants creates big, honey-scented flower spikes of an appealing pure purple. Instead, we recommend using plants that better support the native landscape and food web, given our declining pollinator population. Although butterfly bushes tolerate severe pruning to maintain a smaller size, you can reduce the time you’ll spend pruning by planting it in a location with plenty of room for the plant to develop its natural size and shape. Buddleja davidii (spelling variant Buddleia davidii), also called summer lilac, butterfly-bush, or orange eye, is a species of flowering plant in the family Scrophulariaceae, native to Sichuan and Hubei provinces in central China, and also Japan. Best grown in borders, cottage gardens, rose gardens or butterfly gardens. Becomes weedy and sparse with diminished flowering performance if not grown in full sun. 'Black Knight' is a very common variety that is fragrant with dark purple to black flowers. Since that time, B. davidii has naturalized within sub-oceanic climates in the temperate and sub-Mediterranean zones. Flowers (each to ½” long) are mildly fragrant, and, as the common name suggests, very attractive to butterflies. Watch for spider mites. Particularly attractive along picket fences and lattice where airy open character is a good fit. Plant research and production began when Butterfly Bush (Buddleia davidii) was taken off of the market in 2008.The mission was to find Buddleia that are seedless, since the Butterfly Bush that we had all fallen in love with reproduces at an incredible rate & bullies its way into waterways, street-sides & pastures. 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New cultivars are available in a variety of colors with blooms ranging from deep purple and bright fuchsia to flowers of creamy yellow and white. Even the state of Oregon has amended its ban to allow the sterile, non-invasive species to be sold. A few of these would make a spectacular hedge for your landscape. Buddleja davidii, commonly called butterfly bush, is a deciduous shrub that is native to thickets on mountain slopes, limestone outcrops, forest clearings and rocky stream banks in China. A smaller compact variety of Buddleia, only 3'-5' tall at maturity. To encourage later flowering (which benefits garden butterflies such as the small tortoiseshell), cut plants back to the base in May. It attracts butterflies, bees and hummingbirds, while resisting deer. It has been declared a noxious weed in Oregon and Washington. Foliage The leaves are opposite, 6-10 in. It has escaped gardens and naturalized in the eastern U.S. plus Washington, Oregon, California and Hawaii. Buddleja davidii, commonly called butterfly bush, is a deciduous shrub that is native to thickets on mountain slopes, limestone outcrops, forest clearings and rocky stream banks in China. Prompt removal of spent flower spikes during the growing season will usually encourage continued bloom until frost. Buddleia davidii, the butterfly bush, is a flowering maniac. Nanho Blue Butterfly Bush. Although Butterfly Bush grows easily in our region, it is not native to North America. The wild species Buddleia davidii spreads rapidly, invading riverbanks, reforested areas and open fields. Yes, they do. Will adapt to clay soil if properly amended. This butterfly bush is seedless and non invasive. Sign up to get all the latest gardening tips! Left unpruned, Buddleja davidii ‘Nanho Blue’ can become leggy so prune hard back every year. native to China. The grey-green foliage and large, 8 to 10-inch-long clusters of blue flowers look wonderful in the sun, and those blossoms come continuously from June to the first frost. Does poorly in wet, poorly draining conditions. Two fantastic Butterfly Bushes (or Buddleia), Lo & Behold and Miss Ruby. With a name like butterfly bush, you might expect a plant to be attractive to butterflies. "Butterfly bush" is the common name for the Buddleia species of flowering shrub, and it is the perfect plant to compliment the annual and perennial flowers in your butterfly garden. 'Nanho Purple' is a butterfly bush cultivar which features lavender-purple flowers on a compact plant. The answer is an unqualified yes, but some gardeners either are not aware of this or else plant it anyway for its ornamental attributes. Growers are coming to our rescue, however. The generic name bestowed by Linnaeus posthumously honoured the Reverend Adam Buddle (1662–1715), an English botanist and rector, at the suggestion of Dr. William Houstoun. Produces fragrant, purple flowers that bloom throughout the summer to the first frost. B. davidii is a multi-stemmed shrub or small-tree that is native to China and has been introduced as an ornamental world-wide, first to Europe (1890s) and then later to the Americas, Australia, New Zealand, and some parts of Africa. Willowy gray-green foliage. Usually does not make a good single specimen shrub. However, since these shrubs produce many, many blooms, this might prove a full-time job for a gardener. Appearance Buddleja davidii is a deciduous shrub that is 3-15 ft. (1-5 m) tall with arching stems. Lo & Behold is the first variety to not set seed, thus non invasive. For a smaller choice, Buddleia x Nanhoensis 'Nanho Blue' or 'Nanho Purple' is a dwarf variety. Popular fresh cut flower. In many areas of the United States, it's actually considered an invasive plant—one that does not naturally grow in a particular region but which is pervasive enough to push out native plants. We are no longer recommending new plantings of the butterfly bush, given its categorization as an invasive in most of North America. No serious insect or disease problems. Buddleja davidii ‘Nanho Blue’ has beautiful purple-red flowers. In cooler zones, butterfly bushes die back to the ground each year, sending up a dense group of new shoots in late spring that quickly develop into a 4 to 6 feet shrub. Qt. var. Special Note: This species has demonstrated an invasive tendency in Connecticut, meaning it may escape from cultivation and naturalize in minimally managed areas. Control of butterfly bush in King County is recommended but not required. There are pros and cons to growing butterfly bushes in the landscape. Your USDA Cold Hardiness Zone There are many different varieties of Butterfly bush to choose from. (='Mongo') The fragrant, arching clusters of Butterfly Bush are irresistible to hummingbirds and butterflies. For best results grow in well-drained soil in full sun. A smaller compact variety of Buddleia, only 3'-5' tall at maturity. Flowers are densely clustered in showy cone-shaped panicles from 6-18” long. Finely toothed, elliptic to lanceolate leaves (6-10” long) taper to long points. 'Pink Delight' has large pink blooms, as the name implies. It typically grows to 6-12’ (less frequently to 15’) tall with a spread to 4-15’ wide when not killed back by cold winter temperatures. Commonly known as Buddleia Nanho Blue Butterfly Bushes attract butterflies and hummingbirds to your garden with their unusual dark blue to purple blooms. Leaves are sage green above and white tomentose beneath.Genus name honors the Reverend Adam Buddle (1660-1715), English botanist and vicar of Farmbridge in Essex. Butterfly bush has been declared invasive in many regions including much of the Pacific Northwest, parts of coastal California and along the eastern seaboard. It is a deciduous shrub with an arching, spreading habit which typically grows to 3-5' tall if not cut back in late winter and 2-3' tall if cut back. It is a deciduous shrub with an arching, spreading habit which typically grows to 3-5' tall if not cut back in late winter and 2-3' tall if cut back. 'Nanho Purple' is a butterfly bush cultivar which features lavender-purple flowers on a compact plant. Design Ideas Dwarf butterfly bush is perfect for bringing butterflies into the garden and up close to the house. The wild species Buddleia davidii spreads rapidly, invading riverbanks, reforested areas and open fields. Look for the trademarked series Buddleia Lo & Behold and Buddleia Flutterby Grande. Summary of Invasiveness Top of page. In some places, B. davidii can be an invasive weed: England, France, New Zealand, and the states of Oregon and Washington. These fragrant blooms will attract butterflies from mid-summer to mid-fall. In the wild, straight species flowers are lilac to purple with orange-yellow throats. This shrub will naturalize, sometimes aggressively, by self-seeding (seed dispersed by wind), particularly in areas where it does not die back in winter. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. For more information, . If you have a place where fall flowers are lacking, Nanho would also be a great choice to fill in … Butterfly bush is considered invasive in many states, as well as England and New Zealand. An invasive species is usually an exotic plant introduced from another country as an ornamental. Where self-seeding is a potential problem, remove spent flower clusters prior to formation/disbursement of seed. Butterfly bushes grow from 6 to 12 feet (2-4 m.) tall with a spread of 4 to 15 feet (4-5 m.). (='Mongo') The fragrant, arching clusters of Butterfly Bush are irresistible to hummingbirds and butterflies. It is on the Non-Regulated Noxious Weed List for King County, Washington. Popular fresh cut flower. In fact, it's more than attractive; it's a magnet for all the butterflies who pass through your garden seeking nectar. Some states, like Oregon, have even banned sales of the plant. Even if plants do not die to the ground in winter, they often grow more vigorously, produce superior flowers and maintain better shape if cut close to the ground in late winter each year. Flowers are fragrant. This compact selection has wands of violet-blue flowers, over a mound of silvery-green leaves. Miss Violet Butterfly Bush (Buddleia) Live Shrub, Purple Flowers Miss Violet Buddleia from Proven Winners Miss Violet Buddleia from Proven Winners is a compact plant with dark purple-violet summer flowers. Although eye-catching, hardy, and seemingly helpful to butterflies and other pollinators, Butterfly Bush is far from beneficial; in fact it’s actually an invasive species that can impair the health of our local ecosystems. Butterfly bushes may be good nectar sources for adult butterflies, but they are not food sources for the caterpillars of any Lepidoptera native to the continental US. It forms thick, shrubby thickets that preclude the development of other native species such as willow. Deep Blue 4"-8" long flower spikes develop in mid summer and last until frost. Thrives in areas that receive at least 6 hours of direct sunlight per day Buddleia) (/ ˈ b ʌ d l i ə /; also historically given as Buddlea) is a genus comprising over 140 species of flowering plants endemic to Asia, Africa, and the Americas. Scientists and conservationists say that one potential way to begin controlling invasive butterfly bushes in your garden is to deadhead the flowers, one by one, before they release seeds.
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