David's Hybrid Tall Sunflower Mammoth Grey Stripe 50 Seeds per Packet

David's Hybrid Tall Sunflower Mammoth Grey Stripe 50 Seeds per Packet Review

David's Hybrid Tall Sunflower Mammoth Grey Stripe 50 Seeds per Packet Feature

• Days to Bloom: 100-110
• Bred for seed production to produce sunflower oil, bird seed
• Flowers are10-24 inches wide
• Magnets for songbirds
• Germination Rate: 95%

Direct sow in early spring after the danger of frost has passed. Can be sown as late as 100 days before killing frost. Requires full sun, adapted to a wide range of soil types but prefers well drained soil with a ph of 6.5---7.5. Fertilizer should coincide with plants needs & general health. If needed apply fertilizer at a rate of 2--2½ lbs of actual nitrogen per 1,000 sq. ft. as a side dressing before the plants reach 1 foot in height. First blooms appear 60---90 days after emergence. Harvest bouquets in early morning or late afternoon hours. Collect flowers that are the almost completely open. Remove leaves below water line. The cut flowers have a vase life of 6 to 10 days. Sequential plantings every 2--4 weeks apart will provide continuous color and bouquets. Overhead watering is not recommended. Height: 5--7 feet Germination: 7--21 days Optimum Soil Temp. for Germination: 68°F--­86°F Sowing Depth: 1 ½ --2½ inches Blooming Period: May---November