Cosmos Flower In Pots. Cosmos Both the perennial Cosmos atrosanguineus and the annual cosmos are upright plants making excellent additions to a summer border. Apr 09 2021 Cosmos sulphureus Cosmos bipinnatus.
You can start by growing them from seed undercover in March-April or you can buy cosmos seedlings. Space the seedlings about 30cm 1ft apart in good compost. Get it as.
Theyre very useful for filling gaps in summer borders look good in meadow-style planting schemes and are ideal for container displays.
They require full-sun for bets growth. 38 out of 5 stars 4. Masses of pure white single. Once plants develop in flowerbed spaces watering is rarely a concern as they can handle long periods of drought well.