Description
Cosmos seed is one of the easiest of all the flower seeds to grow. The flower seeds look like miniature pine needles, and they can be scattered over freshly turned soil..This cosmos mix grows in USDA zones 3 - 10 as an annual and reaches 36 - 60 inches in height..Sow the seeds in early spring once frost danger has passed. The plants do not mind some over-crowding. You can encourage re-bloom simply by cutting the plants back to 12 - 18 inches high..Allow those flower seed pods to open and drop their flower seeds for Cosmos flowers the next year. Cosmos are also called Mexican Aster..Sowing Rate: Plant cosmos flower seed at 15 pounds per acre or 3 - 4 seeds per plant. Do not cover cosmos seeds more then 1/16 of an inch. Sow the seeds in early spring once frost danger has passed.
