About
Aster ageratoides is a clump-forming, hardy perennial growing to around 75�90 cm tall, with rich-green, toothed, lance-shaped leaves and clusters of dark-violet daisy-like flowers with yellow centres on strong, upright stems, flowering over a long period from early autumn to late autumn or early winter. An excellent and reliable late-season border perennial.
About the genus
Aster, the Michaelmas daisies, are perennials, annuals and sub-shrubs, mostly with narrow leaves and solitary or clustered, daisy-like flowerheads with ray florets in white, pink, lilac or purple and yellow disc florets. Many flower in late summer and autumn, providing vital late-season colour and nectar.
Growing conditions
SunlightFull shade, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureMoist but well-drained
AspectWest-facing, East-facing, North-facing
ExposureSheltered
UK hardinessH6
Plant details
Plant typeFerns
HabitTufted, Clump forming
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height5-10 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants
Native toN Termperate, Tropical Mountains
Care notes
CultivationGrow in humus-rich, moist but well-drained soil, with added grit, in partial shade. See how to grow ferns for further advice
PruningDead or damaged fronds may be removed as necessary
PropagationPropagate by division, or propagate by sowing spores as soon as ripe at 15°C
Pest resistanceGenerally pest-free outdoors
Disease resistanceGenerally disease-free