Timing is everything. "The best time to plant is in spring, once the risk of frost has passed," Kaiser explains. Sunflowers are heat lovers, and planting them too early can lead to a weak start or ...

Its scratchy, hairy stems are square, but it's not a mint relative.

Plant sunflower seeds about 1 inch deep and 6 inches apart. ... Use clean, sharp scissors or pruning shears to cut off the ...

CONCORD, N.H. — This is prime time for the Sunflower Seekers. They’re not as well-known as the Leaf Peepers, who invade New England every fall, but they just might be happier. Sunflowers are ...

The discovery that sunflower seeds can develop without fertilization reveals a pathway to accelerate improvement of this crop — and potentially others.