Understanding Sunflower Varieties. There are more than 150 species of sunflowers (Helianthus), so you're sure to find one that fits your fancy and your garden space.Farmers plant H. annuus or the ...

Whether you are planting 50 acres or a 6-foot row of sunflowers, it's essential to wait until soil temperatures are above 50 degrees and the chance of frost has passed. The exact date will depend ...

If you planted your first sunflower seed in a paper Dixie cup in kindergarten and watched it grow, you're probably hooked on these easy-to-grow, showy flowers for the garden. Sunflowers are ...