The only truly American crop plant, sunflowers are now grown all over the world.. Cultivars best for edible seeds, called confection types, come from two types .
Sure, the bright yellow blooms that produce seeds for the birds are classics, but there are so. Like most sunflower varieties they grow best in a sunny spot with .
There's a good selection of day-neutral varieties (see article on day length),. On the negative side, single stem sunflowers produce one flower from one seed.
Varieties of Sunflowers seeds, buy Sunflower seeds for planting, Helianthus, giant sunflower plants.. Giant sunflower plants produce giant sunflower seeds for you, and for the birds.. Good as cut flower and in Fall arrangements. Grows 5 – 7 .
These seeds are either black or striped â€” the black ones used for making oil and the. If you choose these types of sunflowers, it is best to plant them separately .