20 Mini Dwarf Sunflower Seeds Helianthus
Product Details:
Name: Mini Dwarf Sunflower Seeds
Sowing Temperature :20 - 25 C
Growing Temperature :15 - 30 C
Height when grow up : About 30-40 cm
Flowering time: 8 - 12 weeks
Best sowing seasons: spring, summer, autumn, winter
Colour of flowers : Yellow colors
Germination days: about 6 - 10 days
Planting instructions:
Seed propagation, usually in April sowing, germination optimum temperature is 15-18 degrees Celsius, shallow bowl or shallow boxes available broadcast media requirement is loose, good water retention, sterile. Sowing Demand is appropriate, each bunch planting two, need cover after sowing 1-2 cm thick medium, in order to maintain the required humidity germination and increase seedling stability and reduce the incidence of shell seedlings. Usually 7-14 days after sowing germination, post-emergence attention to ventilation cooling, humidity control, and gradually see the light.
