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

Purpledisk sunflower

Helianthus atrorubens

Also called Dark Eyed Sunflower, Dark Red Sunflower, Purple Disk Sunflower, Purple Disc Sunflower

Purpledisk sunflower
Photo: peganum from Small Dole, England, CC BY-SA 2.0

Purpledisk sunflower (Helianthus atrorubens) is a native perennial wildflower of the southeastern US, growing up to about 2 m tall with yellow petals around dark red or purple centers. It is a hardy, low-fuss plant suited to meadows, woodland edges and naturalistic gardens.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water regularly while establishing, then mainly during dry spells; tolerates some drought once settled.
Soil
Well-drained garden soil, tolerant of average to poor soil.
Temperature
Hardy in cold winters; suits USDA zones 5 to 9.
How easy
Easy
Native range
New Jersey to SE. U.S.A.

About

Helianthus atrorubens is a North American species of sunflower known by the common name purpledisc sunflower. It is native to the southeastern United States. It is found in all the coastal states from Louisiana to Virginia, plus the inland states of Kentucky and Tennessee.

Helianthus atrorubens is a perennial herb sometimes as much as 200 cm (6 ft 7 in) tall. Most of the leaves are close to the base of the stem. One plant can produce 1-15 flower heads, each with 10-15 yellow ray florets surrounding 75 or more red or purple disc florets. The plant grows in mixed woods and along roadsides.

Other Helianthus plants

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

Text excerpted from the Wikipedia article Helianthus atrorubens 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…