How to Grow Sunflower — Helianthus
Sunflowers–botanical name Helianthus–are grown for their bright yellow ray florets and edible seeds. There are both annual and perennial sunflowers available in a wide color range. Some have smaller flowers; others have very large flower heads. The Helianthus genus numbers nearly 80 species. There are tall often coarse plants that can be planted as windbreaks…