Growing sunflowers is an incredibly rewarding experience, especially when you see those giant blooms towering over your garden. Native to North America, sunflowers (Helianthus annuus) are known for ...

The common sunflower (Helianthus annuus) with its familiar blooms has been cultivated by Native Americans as far back as 3,000 B.C. They utilized these lofty giants in medicine and as a vital food ...

The common sunflower goes by the botanical name of Helianthus annus. Extensive breeding has resulted in a great number of cultivars with yellow, orange, red, cream, white, and bi-color blooms, in ...

A fun and beautiful addition to any garden is to plant some sunflowers (Helianthus annuus). If you have children or grandchildren, plant different varieties of this plant (ornamental and oil seed ...

Helianthus annuus, the common sunflower, must be planted in full sun and the seedlings kept well-watered. ... Giant sunflowers are the most fun to grow, but they require more work.

Sunflowers can have up to 2000 seeds in one flower head. Sunflower plants have erect, bristly stems with broad, alternate leaves. The plant has a taproot along with lateral surface roots.

Early remains of Helianthus annuus L. unearthed at the San Andrés site in the Gulf Coast region of Tabasco, Mexico, constitute the earliest record of domesticated sunflower. Accelerator mass ...

RUST (Puccinia helianthi Schw.) is a major hazard to sunflower production in a number of countries. The area devoted to sunflowers for edible oil in Canada, all in southern Manitoba, was reduced ...