Also known as Eastern Line Aster · Lance-Leaf Aster · Lance-Leaved Aster
White Panicle Aster (Symphyotrichum lanceolatum) is a tall, upright perennial with abundant starry white flowers in late summer and fall, attracting pollinators.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily for best flowering.
Consistent Moisture
50% intensity
Water when the top 2-3 cm of soil is dry. Avoid waterlogged conditions.
Loam, Sand, Clay, Well-drained
50% intensity
Hardy
25% intensity
Tolerates a wide range of temperatures, suitable for USDA hardiness zones 3-8.
Light Feeding
25% intensity
Apply a balanced fertilizer in spring or incorporate compost annually.
Safety information from plant toxicity data
| Attribute | Value |
|---|
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Provide consistent moisture, especially during establishment and dry periods. Water deeply when the top 2-3 cm of soil feels dry. Avoid waterlogged conditions, as this can lead to root rot.
Regular watering promotes healthy growth and abundant blooms.
Cut back stems to about 10-15 cm in late winter or early spring before new growth appears. This encourages bushier growth and prevents the plant from becoming too leggy.
Deadheading spent flowers can prolong the blooming period.
Symphyotrichum lanceolatum is easily propagated by division of established clumps in early spring or fall. Seeds can also be sown in fall or stratified indoors over winter and sown in spring.
Stem cuttings can be taken in early summer.
Established plants rarely need repotting. If necessary, divide and replant clumps every 3-5 years in spring to rejuvenate them and prevent overcrowding. This also helps maintain vigor and flower production.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of White Panicle Aster (Symphyotrichum lanceolatum)
Where White Panicle Aster (Symphyotrichum lanceolatum) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Symphyotrichum |
| Species | Symphyotrichum lanceolatum |
Similar in genus Symphyotrichum
Answers based on plant encyclopedia data
