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Annual Sunflower

Helianthus annuus

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
For more information please download the BSBI Code of Conduct PDF document.

Plant Data

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Asterales
Family:
Asteraceae (Daisy)
Type:
Flower
Maximum Size:
3 metres tall
Habitats:
Farmland, floodplains, gardens, riversides, roadsides, wasteland, waterside.

Flower:
֍
Yellow, many petals
 
Enormous golden yellow daisy-like flowers, up to 30cm wide. Flattish brown disc florets and pointed bracts.
Fruit:
An oval achene (type of dry, one-seeded fruit, not opening to release its seeds).
Leaves:
Very large, floppy, rough, heart-shaped leaves. The long-stalked leaves have coarsely toothed margins and alternate as they go up their stems. The leaves can be as large as 16 inches long and 8 inches wide.
Aroma:
Very little or no fragrance at all.
Other Names:
American Mary-gold, Comb Flower, Common Sunflower, Garden Sunflower, Golden Flower of Peru, St Bartholomew's Star, Wild Sunflower.
Frequency (UK):
Common  
Distribution Map

Reproduced by kind permission of the BSBI.

Click to open an Interactive Map