Helianthus strumosus L.
Paleleaf woodland sunflower, Paleleaf sunflower, Woodland sunflower
Asteraceae (Aster Family)
Synonym(s): Helianthus montanus, Helianthus saxicola
USDA Symbol: hest
The stout, erect stem of pale-leaf woodland sunflower is branched toward the top and grows to 7 ft. tall. Narrow, oval leaves are up to 8 in. long and whitish underneath. Yellow flower heads on branches from a smooth or slightly rough main stem. Flower heads occur in loose clusters at branch tips. Each of the perennialís yellow flower heads is 2-4 in. across.
This is one of approximately 20 species of sunflowers with yellow disk flowers in eastern North America.
From the Image Gallery
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep
DistributionUSA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , ND , NH , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WI , WV
Canada: NB , ON , QC
Native Distribution: ME & Ont. to MN, s. to GA & LA
Native Habitat: Dry, open, upland woods; woodland edges
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry
Soil pH: Acidic (pH<6.8)
Soil Description: Dry soils.
Conditions Comments: Not Available
BenefitUse Wildlife: Seed heads attract birds.
Conspicuous Flowers: yes
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationDescription: Excellent germination occurs with seeds that have been refrigerated over winter. Stem cuttings can be taken before flowering, but the easiest method of increase in to divide the clump in early spring.
Seed Collection: Nutlets usually mature 2-3 weeks after flowering. To beat finched to the seeds, secure a small bag around seeds heads after the flowers fade. Air-dry collected seed heads, separate nutlets from chaff, and store in sealed, refrigerated containers.
Seed Treatment: Not Available
Commercially Avail: yes
Mr. Smarty Plants says
Evergreen privacy hedge and drought-resistant garden
July 21, 2008
I am looking for a hardy evergreen hedge for privacy in Northern Michigan. I have sandy soil. Also am interested in planting a drought garden with mostly sun in same sandy soil.
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National Wetland Indicator Status
From the National Suppliers DirectoryAccording to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Edge of the Woods Native Plant Nursery - Orefield, PA
Prairie Nursery - Westfield, WI
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
* The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.
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Additional resourcesUSDA: Find Helianthus strumosus in USDA Plants
FNA: Find Helianthus strumosus in the Flora of North America (if available)
Google: Search Google for Helianthus strumosus
MetadataRecord Modified: 2012-12-07
Research By: TWC Staff