Botanical name: Lythrum virgatum 'Dropmore purple'. Common name: Loosestrife. Clump-forming perennial with erect, branched stems and linear-lance-shaped, hairless leaves, 10cm long. From early to late summer, star-shaped, purple-red flowers are borne in slender, spike-like racemes. Loosestrifes are long flowering, and effective in a moist border, or bog garden, or naturalized near water. Position: grow in any moist soil in full sun or partial shade. Remove flowered stems to prevent self-seeding. Height: up to 1m. Available in shop in spring. Price from £9.50 approx. If you wish to buy this item, please contact us on 0207 3525656 or email to info@chelseagardener.com