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Helianthus strumosus L.
Paleleaf woodland sunflower, Paleleaf sunflower, Woodland sunflower
Synonym(s): Helianthus montanus, Helianthus saxicola
USDA Symbol: hest
USDA Native Status: L48 (N), CAN (N)
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.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep
, WV Canada: NB
, 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
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:
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.
view the full question and answer
National Wetland Indicator Status
|Status:|| FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2012-12-07
Research By: TWC Staff