'Picotee' Cosmos Seeds. A much beloved variety of Cosmos, ‘Picotee’ really does everything you’d like a flower to do – blooms all summer and fall, requires little water, flowers even if neglected, doesn’t mind poor soil, etc. And it has a lovely color combination, with bright white centers bordered in deep magenta/purple. Works great in the back of the border at 4-5 ft. tall. 1 g. seed packet Name: Cosmos ‘Picotee’ Botanical Name: Cosmos bipinnatus ‘Picotee’ Life Cycle: Annual (will freely self-seed) Color: White with Rose/Red Edge Bloom Season: Summer / Fall Height: 36-60″ Light Requirement: Sun Growing Instructions: Plant outdoors after the danger of frost has passed. Seeds can be covered ¼” since they do not need light to germinate. Germination will usually occur in just 3 to 5 days, but it can take up to 2 weeks. Keep soil damp, but not soggy.