Found over much of the temperate Northern Hemisphere and into South America, this group of 250 species of mainly herbaceous perennials is the type genus for the daisy family, the Asteraceae. They are upright plants that often sprawl under the weight of their foliage and flowers, and have simple linear to lance-shaped leaves that are sometimes hairy and/or serrated along the edges. Most species bloom in late summer and autumn, producing large heads of small to medium-sized daisies in a wide range of colors, including white, pink, and blue. Asters feature in several Greek and Roman god myths; the ancient Greeks also believed that asters would repel snakes and serve as an antidote to their venom.
CULTIVATION
Mostly very frost resistant, asters have a preference for well-drained fertile soil that remains moist during the growing season. A sunny, airy, open position ensures maximum flower production and minimum mildew, which can cause problems in humid conditions. Cut back hard after flowering, and propagate by winter division or spring softwood cuttings.
Top Tip
Provide protection from strong winds. Taller perennials may benefit from staking if planted in an exposed area. When the flowers have faded, trim the long stems down to ground level and tidy the clumps.
CULTIVATION
Mostly very frost resistant, asters have a preference for well-drained fertile soil that remains moist during the growing season. A sunny, airy, open position ensures maximum flower production and minimum mildew, which can cause problems in humid conditions. Cut back hard after flowering, and propagate by winter division or spring softwood cuttings.
Top Tip
Provide protection from strong winds. Taller perennials may benefit from staking if planted in an exposed area. When the flowers have faded, trim the long stems down to ground level and tidy the clumps.
No comments:
Post a Comment