Smooth Aster vs Joe-Pye Weed - TreeTime.ca

Smooth Aster vs Joe-Pye Weed

Symphyotrichum laeve

Eutrochium maculatum

NOT AVAILABLE THIS SEASON - MIGHT RETURN

NOT AVAILABLE THIS SEASON - MIGHT RETURN

Smooth Aster
Joe-Pye Weed

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.

Joe-Pye Weed is a tall native perennial wildflower known for its clusters of fragrant pink flowers. Blooming from mid-summer to early fall, its long-lasting blooms attract a wide range of pollinators, including bees, butterflies, moths, and other beneficial insects. Adding to its ecological value, Joe-Pye Weed also serves as an important host plant for several species of butterflies and moths, and its seed heads provide food for small birds into the fall and winter.

Joe-Pye Weed is well suited to pollinator gardens, rain gardens, riparian zones and wetland plantings, as well as naturalization and restoration projects. It spreads through underground rhizomes to form small colonies and is generally easy to manage, though it may require additional care and maintenance in smaller urban yards and gardens. It is also resistant to deer, making it a good choice for gardens where deer are a concern.

Smooth Aster Quick Facts

Joe-Pye Weed Quick Facts

Zone: 3a
Zone: 3a
Height: 0.9 m (3 ft)
Height: 1.8 m (6 ft)
Spread: 0.6 m (2.0 ft)
Spread: 0.6 m (2.0 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: very fast
Growth rate: fast
Life span: short
Life span: short
Growth form: upright, clump forming
Spreading: rhizomes - medium, seeds - low
Suckering: none


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


Native to: AB, BC, SK, MB, ON
Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, PE
Other Names: glaucous aster, smooth blue aster
Other Names: joe pye weed, joe pyeweed, queen of the meadow, spotted joe pye, spotted joe pye weed, spotted joe-pye weed, spotted trumpet weed