What Grows Well with Cosmos

Cosmos are versatile companions, thanks to their (usually) simple flower shape, upright habit and feathery foliage. They match well with dahlias, zinnias and marigolds—all of which also trace their roots to Mexico and whose flowers can have a similar shape and size to cosmos (depending on type).

What plants look good with cosmos?

Cosmos are versatile companions, thanks to their (usually) simple flower shape, upright habit and feathery foliage. They match well with dahlias, zinnias and marigolds—all of which also trace their roots to Mexico and whose flowers can have a similar shape and size to cosmos (depending on type).

Where should cosmos be placed in a garden?

Cosmos plants can be planted out in the garden when all the danger of frost has passed. This is usually around May. It is best to plant them in a sunny spot and into soil which has has some organic material, such as Farmyard Manure, dug into it. This will help them to retain water.