The varieties of the dwarf butterfly bush have a fuller shape, according to the University of Illinois, than standard, unpruned varieties of butterfly bush. Dwarf butterfly bushes can range in size from a mere 2 feet tall up to 8 feet tall, so read the information on the tag or in the catalogue about the particular cultivar before you buy. Grown for their fragrant flowers, these bushes areas their name indicates--butterfly magnets.
'Blue Chip' is a mere 2 feet tall and 2 feet wide, making it the perfect butterfly bush for small gardens, or container culture. Unlike other butterfly bushes, this variety does not need deadheading to keep it blooming from early summer to mid-fall. Another advantage of this dwarf butterfly bush is that it does not drop seed or spread by underground runners. 'Blue Chip' is deer-resistant and makes a great groundcover plant. 'Blue Chip' is hardy in U.S. Department of Agriculture hardiness zones 5 through 9.
'Monum' is a fast grower known for its compact shape. It reaches 5 feet tall by 5 feet wide. This particular variety tolerates some shade, unlike other varieties of butterfly bush that require full sun.
Deadhead, or cut off, the white flowers as they fade. This particular variety of butterfly bush is self-seeding, meaning you will find new plants growing in your garden. In the fall, when the butterfly bush is done flowering for the year, cut it back to help maintain its compact shape unless you live in an area where butterfly bushes die back to ground in the winter. 'Monum' is hardy in USDA hardiness zones 5 through 9.
'Monite' is similar to 'Monum' in form, size and the fact that it will tolerate part shade. Deadhead the reddish-purple flowers as they fade to keep them from setting seed and encourage new blooms. Give this bush a good pruning to help maintain its compact shape in the fall once all the flowers have faded. With this variety, pruning is not necessary provided the stems die back in the winter. 'Monite' is hardy in USDA hardiness zones 5 through 9.
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