Narrow-Leaved Coneflower (Echinacea) vs Smooth Aster - TreeTime.ca

Narrow-Leaved Coneflower (Echinacea) vs Smooth Aster

Echinacea angustifolia

Symphyotrichum laeve

NOT AVAILABLE THIS SEASON - MIGHT RETURN

NOT AVAILABLE THIS SEASON - MIGHT RETURN

Narrow-Leaved Coneflower (Echinacea)
Smooth Aster

Narrow-Leaved Coneflower is a native perennial wildflower known for its pink to pale purple, daisy-like blooms. The petals (rays) droop downwards, around a dark, domed center, giving the flower a cone-like appearance. The nectar-rich blossoms attract a wide variety of pollinators, including native bees and butterflies. After flowering, the seeds provide food for birds, further adding to its ecological value.

Once established, it is drought-tolerant due to its deep taproot, which also helps stabilize soil. Narrow-Leaved Coneflower thrives in a variety of well-drained soils, including sandy, rocky, and alkaline. It often grows alongside the native grasses that characterize prairie and grassland ecosystems, making it well-suited for prairie and grassland restoration, naturalization, and pollinator gardens.

Smooth Aster is a native perennial wildflower known for its violet-blue, daisy-like flowers. They bloom later in the season, from late summer to early fall. The flowers attract a variety of pollinators, including bees, butterflies, and other beneficial insects. It also serves as a host plant for the Silvery Checkerspot (Chlosyne nycteis) and Pearl Crescent (Phyciodes tharos) butterflies, further enhancing its ecological value. This easy-to-grow wildflower is well suited for native wildflower gardens, pollinator gardens, and naturalization projects.

The Smooth Aster’s non-aggressive root system allows it to spread slowly, and it is more likely to reproduce by seed, which can be controlled through deadheading.

Narrow-Leaved Coneflower (Echinacea) Quick Facts

Smooth Aster Quick Facts

Zone: 3a
Zone: 3a
Height: 0.5 m (1.5 ft)
Height: 0.9 m (3 ft)
Spread: 0.5 m (1.5 ft)
Spread: 0.6 m (2.0 ft)
Light: full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: dry, normal
Growth rate: medium
Growth rate: very fast
Life span: short
Life span: short
Growth form: upright, clump-forming
Spreading: seeds - medium
Suckering: none
Suckering: none


Flowers: pink to pale purple, daisy like
Flowers: purplish-blue; daisy-like
Bloom time: early to mid summer
Bloom time: late summer to early fall
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: SK, MB
Native to: AB, BC, SK, MB, ON
Other Names: black samson, black samson echinacea, echinacea, narrow-leaf coneflower
Other Names: glaucous aster, smooth blue aster