Common Name:
Sitty's Sulphur Cosmos
Scientific Name:
Cosmos sulphureus
Cold Hardiness (F):
Zone 10a (30 to 35)
Light Requirements:
Full Sun (min. 6 hours a day)
Seed In:
Late Winter (Feb 21 - Mar 20), Early Spring (Mar 21 - Apr 20), Mid Spring (Apr 21 - May 20), Late Spring (May 21 - Jun 20), Early Summer (Jun 21 - Jul 20), and Mid Summer (Jul 21 - Aug 20)
Optimal Soil Temperature (F):
70
Average Days from Seed to Harvest:
75-90
