And their seeds are an abundant source of food for birds year-round. Sunflower heads can get up to 12 inches in diameter and ...

Sow seeds in rows, with taller varieties at the back, medium varieties in the middle and shorter sunflowers at the front. After sowing, water well. Alternatively, sow a single seed in a 7.5cm (3in ...

Can you tell me how to care for it. Do I cut it back, etc.? A: I am going to say it is either Sawtooth sunflower, Giant sunflower or Maximilian sunflower. They all grow up to 10 feet tall and ...