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 ...

The best time to plant sunflowers is in early spring after the risk of frost has passed. "In most areas, this would be around late April to mid-May," says Alexander Betz, landscape designer and ...