Maack’s aster (Aster maackii) is a hardy perennial native to East Asia, known for its vibrant purple-blue daisy-like flowers that bloom in late summer to autumn.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers full sun for best flowering, but tolerates partial shade.
Moderate
50% intensity
Keep soil consistently moist, but not waterlogged. Allow topsoil to dry slightly between waterings.
Well-drained
50% intensity
Moderate
50% intensity
Prefers average room temperatures during the growing season. Tolerates cooler temperatures in winter dormancy.
Moderate
50% intensity
Fertilize monthly during the growing season with a balanced liquid fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly, especially during dry periods, to keep the soil consistently moist but not waterlogged. Allow the top 2-3 cm of soil to dry out between waterings.
Reduce watering in autumn and winter when the plant is less actively growing. Good drainage is crucial to prevent root rot.
Deadhead spent flowers regularly to encourage more blooms and maintain a tidy appearance. In late autumn or early spring, cut back the dead foliage to about 5-10 cm above the ground.
This helps prevent disease and promotes vigorous new growth for the next season.
Propagate by division in early spring or autumn. Carefully divide established clumps, ensuring each section has roots and shoots. Alternatively, sow seeds in autumn or early spring, either outdoors or in a cold frame.
Cuttings can also be taken in early summer.
Repot herbaceous perennials like Aster maackii every 2-3 years to revitalize the soil and prevent overcrowding, ideally in early spring.
Choose a pot that is slightly larger than the current one and use a well-draining potting mix. Ensure good contact between roots and soil.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Maack’s Aster (Aster maackii)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Aster |
| Species | Aster maackii |
Similar in genus Aster
Answers based on plant encyclopedia data
