A very attractive dwarf variety, New England Aster 'Purple Dome' (Aster novae-angliae) features masses of semi-double, daisy-like, deep purple flowers, 1.5 in. wide (4 cm), with sunny yellow center disks, which can fully cover the plant. Blooming for 4 weeks or longer, from late summer to late fall, this eye-catching beauty easily enlivens any sunny corner of the the garden. Native to North America, it is easy to grow, long-lived, brings cheerful fall colour, and is a great source of nectar for butterflies.