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Cosmos bipinnatus 'Purity' is the classic cut flower and supremely lovely garden plant, which no one should be without. It has great flowers and good bushy foliage.
Cosmos last 10 days in the vase, produce at least two buckets of cut flowers a week from a 1 x 1m patch and do so from late June until November - so that’s nearly fifty buckets of flowers in one season from a small patch. They are impossible to beat.
| Genus: | Cosmos |
| Variety | bipinnatus ‘Purity' | Type: | Half-hardy annual |
| Site: | Full sun, prefers alkaline soil |
| Sowing seed: | Sow undercover in March - April or direct sow in May. | Height: | 90cm (3ft) | Spread: | 40cm | Hardiness: | Half hardy | Care tips: | Pinch out tips to encourage bushier plants. May need staking. Dead head regularly. | Flowers: | ❀ June - November (14 weeks from Spring sowing) | For the vase: | Last 7-10 days, no conditioning needed. |
