Texas Tech University


Helianthus annuus

(Detailed plant information can be found at the bottom of the page.)
Helianthus annuus

Helianthus annuus Photo Gallery

Helianthus annuus Plant Information

Scientific Name: Helianthus annuus
Common Name: sunflower
Family: Asteraceae
Suggested Uses: annuals, beds & borders, cutflowers, natives
Plant Form: upright
Height: 2 - 10 feet
Spread: 1 - 4 feet
Foliage: large 6 - 8" scratchy, pubescent leaves
Flower: large, yellow, bronze, and cream daisy-like flowers ranging in size from 3' to 14" depending on cultivar
Bloom Period: Summer - Fall
Sun: full sun
Water: low water requirement
Soil: well-drained, loose, fertile soil
Heat Tolerance: high heat tolerance
Native Range: Texas

North America
Maintenance: rapid growth rate

propagation by seed
Pests & Pathology: susceptible to powdery mildew, aphids, and cutworms
Wildlife: attracts butterflies and birds
Additional Notes: fun plant for children to grow

grown for its seed oil and edible seeds

best in the back of the border due to its size and often rangy foliage

TTU Plant Resources