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Stiff Sunflower
Helianthus 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 TypeForb
Height1 to 4 feet
Light ExposureSun
Soil MoistureDry
Bloom ColorYellow
Stiff Sunflower (Stiff Sunflower<div><em class="small">Helianthus pauciflorus</em></div>)
Photo credit: Minnesota Wildflowers (Click to enlarge)

Tolerances

Flooding / Inundation ToleranceLow
General Resilience7
Salt ToleranceMedium
Stress ToleranceDrought Tolerant, General Disturbance

Pollinator Value: Very High

Bloom MonthsJuly to August
Larval Host ofBees, Butterflies
Specific Pollinators HostedChlosyne gorgone, Numerous bee species
Pollinator BenefitInsect Pollinated, Provides Nectar, Stem Nesting, Supports Generalists

Project Planning

Project TypeBoulevard, Rain Garden, Shoreline Buffer
Coefficient of Conservatism7
Herbivore SensitivityMedium
LifespanPerennial
Rate of SpreadMedium
Soil StabilizationShallow
Vegetative ReproductionClonal

Range

CountyAnoka, 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
EcoregionDriftless Area, Lake Agassiz Plain, North Central Hardwood Forests, Northern Glaciated Plains, Northern Lakes and Forests, Northern Minnesota Wetlands, Western Cornbelt Plains
Approximate Eco ProvinceEastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland, Tallgrass Aspen Parklands