Wild Sawtooth sunflower is a perennial native prairie wildflower (a perennial native prairie forb). Helianthus grosseserratus 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.

Sawtooth sunflower

Botanical name:	Helianthus grosseserratus

Description: numerous yellow flowers grow on branching stalks at the top of the plant. These perennial, open, branching plants are up to 8 feet tall, with coarsely toothed leaves. The stem is smooth and covered with a waxy covering.

Attracts:	Wildlife, Birds and Honeybees.
Bloom time:	From August through October.
Range:	Northern U.S. and south.
Sunshine:	Full sun to partial shade.
Moisture:	Fairly wet to fairly dry.
Soil types:	Clay or loam best.

Suggested seed treatment: No pretreatment needed.

Direct planting tips: Plant seed in desired location covering the seed with 1/4 inches 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 3 to 4 feet apart. Very vigorous.

Companion prairie plants: New England aster, Red milkweed, yellow coneflower, Big bluestem, Indian grass.

Comments: Very vigorous. The flower is sometimes used as a dye. Seed head is a good source of seed for birds during the winter.

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.