Browse our unique offering of cosmos flower seeds including varieties with double blooms and tubular petals, in a range of trending colors. 100% guaranteed.

Single flowers, 3–4" across, in lavender, pink, magenta, and white. AAS Winner. Cosmos are also known as garden cosmos. Specs: Plant Height: 48–54" Packet: 50 seeds; Avg. 4,700 seeds/oz

Learn how to grow cosmos flowers from seed, from sowing and germination, light and soil requirements, to spacing, culture, and harvest, from Johnny's Selected Seeds.

Flowers are also used to create natural dyes for fiber and fabrics. Plants readily self-seed. Also known commonly as Dyer's cosmos and sulfur cosmos. Native to the Americas and Mexico. …

PLANT SPACING: 9-12". Wider spacing creates stronger, thicker stems. HARDINESS ZONES: Annual. HARVEST: Petals just opening, but not yet flattened. Deadheading is required to have …

Written by our research team, this reference contains the essential information for growing cosmos flowers from seed. Read more for a successful harvest!

Produces under short days and is also suitable for greenhouse culture during the winter. Strong stems can withstand considerable handling. Blooms are 2 1/2" across in shades of blush pink, …

PLANT SPACING: 9-12". Wider spacing creates stronger, thicker stems. HARDINESS ZONES: Annual. HARVEST: Petals just opening, but not yet flattened. Deadheading is required to have …

Cosmos is a classic garden favorite with elegant blooms that are iconic of summer. It is good in beds and containers and also attracts beneficial insects, making it a nice addition to pollinator …

2–3" fully double and semidouble bicolor flowers on strong stems for cutting. They are highly variable in the proportion of pink to white, creating the pleasant effect of a bicolor mix. Flower …