Spreading aster

Symphyotrichum patens

Symphyotrichum patens: Symphyotrichum patens

Spreading aster has arching stems and fragrant blue-purple flowers late in the season, bringing nectar to sunny borders and woodland edges.

Height
60–92 cm / 2–3 ft
Spread
45–61 cm / 1.5–2 ft
Light
Full sun / Partial shade
Soil moisture
Dry / Moist, well-drained
Flowering
Fall, Summer
Maintenance
Low
USDA zones
4a–8b
Check what suits your garden

Planting

Choose sun or some partial shade and dry to moderately moist, well-drained sandy soil. Allow room for the arching stems in a border or rock garden.

Care

Keep air moving through the planting and maintain drainage around the roots. Watch for powdery mildew or wilt, especially in poorly drained clay or crowded conditions.

A landscaping crew planting and finishing a garden

Planting Spreading aster?

Find a landscaper nearby to help with planting and establishment.

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Sources & photo credit

Plant reference: NC State Extension Gardener Plant Toolbox. Content checked . Flowering seasons vary with local climate; USDA zones describe winter cold tolerance.