Phlox drummondii '21st Century Blue' F1
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In this mix
- Tender Perennial (grown as a Half-Hardy Annual)
- Border (Front)
- Fertile, Neutral
- July - first frosts, or 10-12 weeks after sowing.
- 25cm (10in)
- Moist but Well-drained
- Full Sun, Part Shade
- 20-25cm (8-10in)
Luscious, velvety indigo purple annual phlox which was still in flower in my greenhouse on Christmas day last year. Incredibly hard to beat.
Deadhead to prolong flowering. This is an ideal plant for a container. Keep the soil moist.