Stiff SunflowerHelianthus pauciflorus
Stiff Sunflower stands apart from other sunflowers with its gray-green leaves and flowers with bright yellow petals and purple-brown center disks. It can get aggressive in smaller area plantings. Like most sunflower species, it does best in dry and sunny conditions.
USDA symbol: HEPA19
General Information
| Plant Type | Forb |
|---|---|
| Height | 1 to 4 feet |
| Light Exposure | Sun |
| Soil Moisture | Dry |
| Bloom Color | Yellow |
Tolerances
| Flooding / Inundation Tolerance | Low |
|---|---|
| General Resilience | 7 |
| Salt Tolerance | Medium |
| Stress Tolerance | Drought Tolerant, General Disturbance |
Pollinator Value: Very High
| Bloom Months | July to August |
|---|---|
| Larval Host of | Bees, Butterflies |
| Specific Pollinators Hosted | Chlosyne gorgone, Numerous bee species |
| Pollinator Benefit | Insect Pollinated, Provides Nectar, Stem Nesting, Supports Generalists |
Project Planning
| Project Type | Boulevard, Rain Garden, Shoreline Buffer |
|---|---|
| Coefficient of Conservatism | 7 |
| Herbivore Sensitivity | Medium |
| Lifespan | Perennial |
| Rate of Spread | Medium |
| Soil Stabilization | Shallow |
| Vegetative Reproduction | Clonal |
Range
| County | Anoka, Becker, Beltrami, Benton, Big Stone, Blue Earth, Chippewa, Chisago, Clay, Cook, Cottonwood, Crow Wing, Dakota, Dodge, Douglas, Faribault, Fillmore, Freeborn, Goodhue, Grant, Hennepin, Houston, Hubbard, Isanti, Itasca, Jackson, Kandiyohi, Kittson, Lac qui Parle, Lake, Lincoln, Lyon, Mahnomen, Marshall, Martin, McLeod, Mille Lacs, Morrison, Mower, Nobles, Norman, Olmsted, Otter Tail, Pennington, Pipestone, Polk, Pope, Ramsey, Renville, Rice, Rock, Roseau, Sherburne, St. Louis, Stearns, Stevens, Swift, Traverse, Wabasha, Washington, Watonwan, Wilkin, Winona, Wright, Yellow Medicine |
|---|---|
| Ecoregion | Driftless Area, Lake Agassiz Plain, North Central Hardwood Forests, Northern Glaciated Plains, Northern Lakes and Forests, Northern Minnesota Wetlands, Western Cornbelt Plains |
| Approximate Eco Province | Eastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland, Tallgrass Aspen Parklands |