Sawtooth Sunflower

Helianthus grosseserratus M. Martens - Aster family

Size

Mature Height: Up to around 5.0 feet

Planting Distance: 17 inches

Plant Type: Forb/herb

Root Depth: 12 inches

Growth Form: Rhizomatous

Growth Rate: Moderate

Features

Flower Color: Yellow

Conspicuous Flowers: Yes

Bloom Time: Late Summer

Seasonal Growth: Spring, Summer, Fall

Evergreen: No

Fall Colors: Yes

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: None

Fire Tolerance: Medium

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Moths; Butterflies; Monarchs; Nesting and Structure (Bees); Larval Host (Moth)

Larval Species depending on Sawtooth Sunflower: Dichomeris leuconotella, Papaipema necopina

Native Range

  • USA:  Arkansas, Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, Virginia, West Virginia, Wisconsin
  • CAN:  Ontario, Québec
Regional Native Status: L48 (N), CAN (I)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.