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Symphyotrichum / Aster

Genus: Symphyotrichum

Common Name: Aster


Asters are excellent, colorful additions to most gardens, providing an important floral resource in the fall for late-season foraging bees and bees that over-winter, such as new bumble bee queens and female sweat bees.


Native Regions

Nationwide, United States and Canada



Routinely available and easily grown in most parts of North America





Bloom Time

Late summer, fall


Average Height

2.5 feet


Flower Color








Full sun, partial shade


Water Requirements

Average to wet


Recommended Species

Symphyotrichum laeve (smooth blue aster) is a native aster found throughout the U.S. and Canada. It has a lavender-blue hue, blooms August through October in most regions and is commercially available.


Symphyotrichum ericoides (white heath aster) is native to most parts of the U.S. and Canada and is widely available. Flower color of this species can be white, pink, yellow or blue and it blooms August through October.


Symphyotrichum novae-angliae (New England aster) is found in most parts of the United States, growing naturally in prairie swales and wet meadows. It is considered the showiest of native asters, having many bright purple flowers, and is commercially available.


Numerous long-blooming garden cultivars exist for plants in this genus, such as Monch (Aster X frikartii), which blooms for three to four months, beginning in mid-summer.

bee Visitors

Andrena / Mining Bee

Bombus / Bumble Bee

Ceratina / Small Carpenter Bee

Colletes / Polyester Bee

Halictus / Sweat Bee

Hylaeus / Yellow-faced Bee

Lasioglossum / Sweat Bee

Megachile / Leafcutter Bee

Melissodes / Long-horned Bee

Xylocopa / Large Carpenter Bee

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