![]() Its flower colors can be a more true blue shade than azaleas. 'Blue Diamond' ( Rhododendron 'Blue Diamond') Blue-lavender flowers in spring and early summer a dwarfish plant that is hardy in zones 7 to 9.'Bob's Blue' ( Rhododendron 'Bob's Blue'): True blue flowers in spring hardy in zones 7 to 9.PJM rhododendron ( Rhododendron (PJM group): Lavender-pink flowers in April hardy in zones 4 to 8.Catawpa rhododendron ( Rhododendron catawbiense): Lavender-pink flowers from April to early June hardy in zones 4 to 8.Rhododendron cultivars with blue or lavender flowers are widely grown popular varieties include: Most native species come from east Asia and the Himalayan region, but they also hail from North America and Europe. Rhododendrons and azaleas are in the same family-both come in deciduous and evergreen varieties. It has a long flowering period, from June into early fall. This cultivar typically grows to 6 to 12 feet, but heights of 15 feet are possible. Some experts recommend cutting the plant down to ground level yearly to keep it under control. If not planted in full sun, it can get weedy and sparse. It grows well, not requiring much maintenance beyond controlling its overgrowth. It grows best in USDA hardiness zones 5 to 9. Although it attracts butterflies and other pollinators, it is only a host plant for non-native North American butterflies and caterpillars, crowding out native host plants. around 1900 and is considered a weed or invasive plant in at least 20 states. The beauty of 'Blue Chip,' beyond its color, is that it is non-invasive.īutterfly bush originally came to the U.S. ![]() The Adonis Blue cultivar of butterfly bush is a true blue.Ī few cultivars of butterfly bush ( Buddleia davidii) have true blue flowers, such as 'Adonis Blue.' Others have misleading names, like 'Blue Heaven' and ' Blue Chip,' which are more of a lavender color than a true blue. The Spruce Home Improvement Review Board.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |