Bright Lights Cosmos

Cosmos sulphureus

Seeds per pack ~ 150

Germination: 85% (Packed for 2026)  

Cosmos are herbaceous perennial plants or annual plants growing 1 ft 0 inch – 6 ft 7 inches tall. The leaves are simple, pinnate, or bipinnate, and arranged in opposite pairs. The flowers are produced in a capitulum with a ring of broad ray florets and a center of disc florets; flower color varies noticeably between the different species. The genus includes several ornamental plants popular in gardens. Numerous hybrids and cultivars have been selected and named.

DAYS TO MATURITY: 80-90 days to flower

PLANT DESCRIPTION: (Cosmos sulphureus) Cosmos are herbaceous perennial plants or annual plants growing 1 ft 0 inch – 6 ft 7 inches tall. The leaves are simple, pinnate, or bipinnate, and arranged in opposite pairs. The flowers are produced in a capitulum with a ring of broad ray florets and a center of disc florets; flower color varies noticeably between the different species. The genus includes several ornamental plants popular in gardens. Numerous hybrids and cultivars have been selected and named.

HISTORY: Originating from the Mexican and South American regions, cosmos flowers have a rich history steeped in cultural significance. Bright Lights Cosmos, in particular, was developed to showcase a diverse palette of colors, including shades of pink, purple, and white, with each flower boasting a contrasting center. The cosmos plant, known for its adaptability and ability to thrive in various soil and climate conditions, gained popularity in gardens worldwide for its easy cultivation and prolific flowering. Over the years, Bright Lights Cosmos has become a symbol of joy and beauty in garden landscapes, providing a burst of color and elegance.

GROWING TIPS: Annual. Germination: 14 days, 70 degrees F. Prefers full sun. Tolerates partial shade, poor soils, and drought once established. For earlier blooms sow indoors 4-6 weeks before the last frost. Or sow outdoors after all danger of frost. Plant 1/4” deep; thin to 12”-14” spacing. Deadhead to prolong blooming. Seed heads will attract birds. C. sulphureus petals are edible.