Wild Sky blue aster is a perennial native prairie wildflower (a perennial native prairie forb). Aster oolentangiensis (aster azureus) is a perennial native prairie wildflower (a perennial native prairie forb). Oak Prairie Farm offers retail perennial native prairie wildflowers (retail perennial native prairie forbs). Oak Prairie Farm offers wholesale perennial native prairie wildflowers (wholesale perennial native prairie forbs). This Prairie Guidebook page provides perennial native prairie wildflower (perennial native prairie forb) wild plant propagation information. This Prairie Guidebook page provides perennial native prairie wildflower (perennial native prairie forb) wild seed treatment information. This Prairie Guidebook page also provides perennial perennial native prairie wildflower (perennial native prairie forb) wild seed sales information.

Sky blue aster	Also called: Azure aster

Botanical name:	Aster oolentangiensis (Aster azureus)

Description: small light blue flowers growing on many branching stalks at the top of the plant. These perennial, branching plants are up to 3 feet tall, with sandpapery heart shaped leaves with toothed edges.

Attracts:	Butterflies and Honeybees.
Bloom time:	From August through October.
Range:	Northern U.S.
Sunshine:	Full sun to partial shade.
Moisture:	Middle to dry.
Soil types:	Sandy loam best.

Suggested seed treatment: No pretreatment needed.

Direct planting tips: Plant seed in desired location covered by 1/4 inch of soil, and firm.

Transplants: If you grow transplants from our seed: transplant while dormant in spring or fall, trim long roots, plant with buds just below the soil surface, space 1 to 2 feet apart. Mature plants can be divided.

Companion prairie plants: Butterfly milkweed, Pale purple coneflower, Yellow coneflower, Big bluestem, Indian grass.

Comments: Very vigorous.

indicates photos taken by Dan Klapper.

indicates photos taken by Dr. Era Jo Moorer. All others taken by Lin Heinrich.
See the About Oak Prairie Farm link on the Home page for more information concerning photographers.