Description
Sunflower Skyscraper Flowers
Sunflower Skyscraper Flowers. One of the largest Sunflowers available producing massive 12-14ft plus plants with large bright yellow flower heads up to 40cm across. Ideal for a back garden forest, for shading or a tall screen. This large seeded variety produces huge quantities of well filled highly nutritious edible seeds for eating, roasted or raw. Very popular with wildlife in early winter if left, encouraging birds into the garden. Very easy for kids to grow. Great for school projects. Will need support. 75 days.
Cultivation Advice
- Days To Germination: 14-21 days
- Optimum Soil Temp. for Germination: 68F-86F
- Planting Depth: 1/4 inch
- Spacing, Seed: 4-6 inch
- Spacing, Plant: 24-36 inches
- Plant Height: 10-14 ft inches
- Light: Full Sun
- 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.
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