Sunflower Giant Grey Striped
Sunflower Giant Grey Striped. This is the traditional single stem giant Russian sunflower that grows to at least Six feet in height, but often much higher. The blooms are typically over a foot wide and packed with seed that makes a tasty snack for birds and people. Very easy for kids to grow. Great for school projects. Will need support. 75 days
Cultivation Advice Sunflower Giant Grey Striped
- Seeds can be started indoors 3 to 4 weeks before last spring frost.
- Or direct-sow seeds outside after all danger of frost has passed to a depth of 1/4 inch.
- Can be sown as late as 100 days before last frost.
- When seedlings are 2 to 3 inches high, thin to individual pots.
- Replant thinned plants.
- Steadily harden off before planting out after all danger of frost has passed.
- These will require staking / support in all but the most sheltered locations.