Cosmos are beautiful summer flowering annuals. Cosmos are easy to grow and make good border or container plants. Cosmos Maroon flowers make for good decorations in flower arrangements and also attract birds, bees, and butterflies to your garden.
Cosmos produce 3- to 5-inch daisy-like flowers in various colors, including pink, orange, red and yellow, white, and maroon. These beautiful plants can reach 6 feet tall.
From an early September sowing, it should be in full flower by December and will keep going into late February.
If you want a head start, you can plant cosmos indoors 4 to 6 weeks before the last spring frost in trays or pots with a good seed-starting
If you let the seed heads blow away during autumn, the cosmos might sow themselves throughout your garden.
You can sow your cosmos seeds straight into the garden, but it also grows very well in containers. Pinch out the tips when your seedlings reach a few cm. The best time to sow cosmos is in spring. Stake when the plants reach about 60cm. They can grow to a meter in height or more. Deadheading prolongs your flowering season.