The butterfly bush (buddleja davidii) originally hails from china. Department of agriculture plant hardiness zones 5 through 10. all-natural butterfly and hummingbird feeder why black knight butterfly bushes? Aptly named, the black knight butterfly bush attracts butterflies like no other plant. Plus, it boasts a luxuriously long blooming period, with the extra perk of drought tolerance for easy upkeep. Bright, fragrant blooms draw in butterflies and hummingbirds. Butterfly bushes (buddleia davidii) are grown for their long panicles of colorful flowers and their ability to attract butterflies and beneficial insects. They bloom in spring and summer, but the naturally attractive shape of the shrub and evergreen foliage keep the bush interesting, even when it is not in bloom. This little butterfly bush really is a charmer! It has all the fragrance and butterfly appeal of traditional varieties in a small, easy to maintain package. Blue chip stays under three feet tall without any pruning, and blooms continuously from mid summer to frost without deadheading. Plant taxonomy classifies butterfly bush as buddleia davidii. Its treated by gardeners as a perennial flower, but, botanically speaking, its considered a shrub. There are many cultivars of butterfly bush, and exact traits vary from cultivar to cultivar. The species plant grows to be 6 to 12 feet tall, with a spread of 4 to 15 feet, but. Giant fragrant blooms attract wildlife showy purple flowers last from june to september huge blooms are magnets to butterflies and hummingbirds so fragrant, theyre popular as cut flower arrangements the hardiest butterfly bush- all the way to zone 5! The best plant for attracting wildlife the black knight butterfly bush is the most fragrant butterfly bush you can find. Large shrubs come in a range of shapes and colors, some with flowers and some with fruit, some are evergreen and others are deciduous, but they have one thing in common--they all grow to heights of about 6 feet or more with a similar spread for choice varieties. Butterfly bush is an invasive plant, meaning it crowds out beneficial plants that have naturally grown in your community for centuries. The butterfly bush (buddleia davidii) is a beautiful, fast-growing, deciduous shrub with masses of blossomslong, spiked trussesthat bloom from summer to autumn.