Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Woodland sunflower

Helianthus divaricatus

Also called Divergent Sunflower, Rough Sunflower, Rough Sunfower, Spreading Sunflower

Woodland sunflower
Photo: Jomegat, CC BY-SA 3.0

Woodland sunflower is a native North American perennial herb with yellow daisy-like flowers, growing to about 1.5 m in dry, fairly open sites. It is tolerant of poor conditions and useful for attracting birds and butterflies.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water during dry spells until established, then allow the soil to dry between waterings.
Soil
Well-drained soil, tolerant of average to poor soil.
Temperature
Hardy in cold winters, roughly USDA zones 4 to 9; protect young plants from severe frost.
How easy
Easy
Native range
SE. Canada to NC. & E. U.S.A.
Climate
temperate

About

Helianthus divaricatus, commonly known as the rough sunflower, woodland sunflower, or rough woodland sunflower, is a North American species perennial herb in the family Asteraceae. It is native to central and eastern North America, from Ontario and Quebec in the north, south to Florida and Louisiana and west to Oklahoma and Iowa.

Helanthus divaricatus commonly occurs in dry, relatively open sites. The showy yellow flowers emerge in summer through early fall.

Other Helianthus plants

Southeastern sunflower · Helianthus ambiguus · Swamp sunflower · Common sunflower · Western sunflower · Silverleaf sunflower · Arizona sunflower · Purpledisk sunflower · Serpentine sunflower · Helianthus brevifolius · California sunflower · Lakeside sunflower

Text excerpted from the Wikipedia article Helianthus divaricatus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…