Smooth Aster
Symphyotrichum laeve
Smooth Aster (Symphyotrichum laeve) is a Colorado-native perennial suited to the Colorado Front Range. It matures to about 24–36 in tall and 18–24 in wide, needs low to medium water, and prefers full sun to part. Smooth blue-green foliage; clouds of lavender daisies in fall; essential late-pollinator nectar.
Colorado nativelow to medium water24–36 in tall and 18–24 in wideXeric / water-wiseDeer-resistant
Photos



At a glance
- Botanical name
- Symphyotrichum laeve
- Type
- Perennial
- Mature size
- 24–36 in tall and 18–24 in wide
- Water needs
- low to medium water
- Sun
- full sun to part
- Colorado native
- Yes
- Foliage
- Deciduous
- Soil
- clay, loam, sandy
- Soil pH
- 6.5–8.0
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
- Bloom color
- blue, purple
- Bloom time
- late summer, early fall
- Pollinator value
- high
- Good for
- slope
Planting & establishment
Deep-water first season to establish, then minimal water needed.
Frequently asked questions
- Is Smooth Aster good for the Colorado Front Range?
- Yes. Smooth Aster is included in the Front Range Plant Finder as a perennial suited to Colorado's Front Range.
- How big does Smooth Aster get?
- It matures to about 24–36 in tall and 18–24 in wide.
- How much water does Smooth Aster need?
- It needs low to medium water once established.
- Is Smooth Aster native to Colorado?
- Yes — it is a Colorado native.