- Up for sale is cosmos bipinnatus and cosmos sulphur yellow mixed. 100 seeds. - Cosmos has large, showy, single, 3-4" wide, single, double, seashell, sulphur, yellow and orange, purple, white, red, cream, pink, red and white striped flowers on strong, 4-5' tall stems. They continue to bloom all summer thru fall to first hard frost. - Cosmos is one of the best nectar plants for attracting bees, butterflies and hummingbirds. - They are a wonderful annual flower for back of the border, mass plantings, wild gardens, in large pots, in flower beads, as cut flowers and anywhere in your landscape that needs a bright spot. - Cosmos is heat, drought and humidity tolerant making them a great candidate for the wild garden. - They will reseed themselves for year after year flowers. - Annual - Zone: all - Sun: full sun - Water: regular to low - Soil: will grow in any soil but does better in rich,well draining soil. - Height: 4-5' - Bloom time: late spring to fall - Difficultly: easy