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Muller, Thomas L.
Heliopsis helianthoides (L.) Sweet
Smooth oxeye, Oxeye sunflower, False sunflower
USDA Symbol: HEHE5
USDA Native Status: Native to U.S.
A common, 3-5 ft. perennial with stiff, branched stems; sunflower-like heads; and opposite, toothed leaves. Resembling a small version of a yellow sunflower with a cone-shaped central disk and opposite, toothed, simple leaves. The yellow flower heads are 2 in. across and have raised, yellow centers.
This plant looks like true sunflowers, which are in the genus Helianthus. Unlike sunflowers, its rays persist on the flower heads; the rays of sunflowers wither and fall away. It is placed in Heliopsis due to its cone-shaped central disk. Oxeye is hardy and easily grown as a showy garden perennial in dry sites and is a good choice for clay soil.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep
AL , AR , CO , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , ND , NE , NH , NJ , NM , NY , OH , OK , PA , RI , SC , SD , TN , TX , VA , VT , WA , WI , WV Canada: MB
, SK Native Distribution:
S. Que. to FL, w. to s.e. B.C. & NM; naturalized northeastward Native Habitat:
Moist to dry, open woodlands; prairies; fields USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist
Soil Description: Sandy soils.
Conditions Comments: An undemanding plant which provides excellent, mid-summer color. Eastern plants belong to var. helianthoides; those in the West are var. scabra.
PropagationDescription: Easily propagated by seed in fall or early spring. Large clumps of ox-eye can be divided, but it is difficult.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
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Record Modified: 2012-12-07
Research By: TWC Staff