Buddleia x ‘Miss Ruby’ – This cross of Buddleia ‘White Ball’ and ‘Attraction’ was developed out of the Raulston Arboretum in North Carolina. It features bright magenta-pink blooms from midsummer through to autumn. The tapered greyish-green foliage also has a silvery reverse. Attracts hummingbirds and produces little viable seed. Grows 4-5′ high by 3-4′ wide. Z5.
Buddleia x FLUTTERBY GRANDE BLUEBERRY COBBLER (syn. ‘Podaras #4′) – The FLUTTERBY GRANDE series of Buddleia are sterile, with this one producing beautiful greyish-blue flowers that fade to yellowish-orange, giving a bicolour effect. It prefers full sun with well drained soil and should be pruned in spring. Fragrant. Grows 4-6′ high by 4-6’ wide. Hardy to zone 5.
Buddleia x BUZZ ‘Ivory’ – BUZZ is a series of Butterfly Bush bred for patios and containers, particularly in urban gardens where space is limited. This cultivar bears creamy-white 5-6 inch long blooms from early June right up to the hard frosts. If grown as a container specimen in colder regions, the pot may have to be sheltered for winter. Grows 3 feet high and wide. Zone 5.
Buddleia x ‘Bicolor’ – This is a rare chance seedling from Buddleia x weyeriana ‘Honeycomb’ (which is virtually sterile) and features striking bicolour blooms (intensely fragrant) of lavender and peach that are borne in up to 10 inch long panicles. It has greyish-green foliage and flowers all summer long. Grows 6 to 8′ high by 6 to 8′ wide. Hardy to zone 5.
Buddleia x LO & BEHOLD ‘Blue Chip’ – The first miniature Butterfly Bush introduced on the market with continual lavender-blue flowers that don’t require deadheading. This complex hybrid (B. x weyeriana ‘Honeycomb’ x (B. davidii ‘Nanho Purple’ x Buddleia lindleyana)) was introduced by the Raulston Arboretum. Grows 24-30 inches high and wide. Zone 5.