"Always great yields." Expert gardener debunks longstanding myth about sunflowers: 'So long as we do it the right way' first appeared on The Cool Down.

If you're growing sunflowers, find out what experts have to say about how long it takes for sunflowers to grow and when to harvest them.

Her first tip is to wait until the back of the flower turns yellow; brown is even better. Harvesting is easy: simply pull the ...