Host an Event Volunteer Join Tickets

Support the plant database you love!

Share

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or you can choose a plant family:

Helianthus ×multiflorus

Helianthus ×multiflorus L. (pro sp.)

Manyflower Sunflower

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: HEMU2

USDA Native Status: L48 (N)

Natural hybrid of Helianthus annuus and H. decapetalus.

 

From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 10 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Red , Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Ray florets sometimes replace disc florets, resulting in a double-headed flower.

Distribution

USA: OH , WI

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Helianthus ×multiflorus in USDA Plants
FNA: Find Helianthus ×multiflorus in the Flora of North America (if available)
Google: Search Google for Helianthus ×multiflorus

Metadata

Record Modified: 2019-03-29
Research By: CBR

Go back