Sunflower Seeds - Autumn Beauty

$3.25

Helianthus annuus

Striking, late blooming, multi-headed, two-tone flowers. Copper red centers fade to yellow petals with a lot of enjoyable variation. Good cutting flower and lovely ornamental. Plants grow five to seven feet in height. 

Direct seed or transplant into the garden after all danger of frost has passed. Sunflowers will need full sun and well-draining soil. Water well to ensure good germination. Once germinated, sunflowers will need at least an inch of water per week. Typically grown for flowers. Annual.

  • Planting Information
  • Growing Information


 

Min. Seeds 

per Packet 
 

Average packet weight 
 
Seeds / gramAverage seed / oz
 
601.75 grams
 
42
 
1200
 
Planting SeasonIdeal Soil TempSunFrost Tolerance
After Last Frost65-85°FFull SunFrost Sensitive
Sowing MethodSeed DepthDirect Seed SpacingDays to Harvest 
Transplant or Direct Seed1"4-6"70 - 80
Mature SpacingDays to SproutProduction CycleSeed Viability
8-12"5-12Annual4-6 years

Site Selection

 

Sunflower is a frost sensitive annual that prefers full sun and well-drained soil with low to moderate moisture. Drought tolerant once established.

 

Planting

 

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.