The Dirty Gardener "Cosmos Bipinnatus" Wildflower Seeds, 1/2-Pound Flowering is best in full sun, although partial shade is tolerated The plant is tolerant to drought after germination and is seldom subject to insect or disease damage Germination takes between 7 and 10 days at the optimal temperature of 75 degrees Fahrenheit (24 C) Flowering begins between 60 and 90 days after germination Fast Shipping from the Dirty Gardener