Helianthus annuusCuddly golden yellow double petals that look like a fuzzy pillow. Lovely 2-4' tall dwarf plants with 3-4" multi-headed blooms. Can be grown in containers and will bloom when 12" high. Easy-to-grow. Direct seed in full sun after danger of frost. Excellent cut flower. Summer blooming. Annual.
|Approx. Seeds per Packet
||Average packet weight
||Seeds / gram
||Average seeds / oz
|Planting Season||Ideal Soil Temp||Sun||Frost Tolerance|
|After Last Frost||65-85°F||Full Sun||Frost Sensitive|
|Sowing Method||Seed Depth||Direct Seed Spacing||Days to Harvest
|Transplant or Direct Seed||1"||4-6"||65-75
|Mature Spacing||Days to Sprout||Production Cycle||Seed Viability|
Sunflower is a frost sensitive annual that prefers full sun and well-drained soil with low to moderate moisture. Drought tolerant once established.
Direct seed outdoors once the danger of frost has passed. Optimum soil temperature for germination is 65-85˚F. Sow 1" deep and 4-6" apart. Seeds will sprout in 5-12 days. Thin so mature plants are 8-10" apart.