Product DescriptionPosition: full sunSoil: moderately fertile, light, well-drained soilRate of growth: average Flowering period: August and SeptemberHardiness: fully hardyClusters of piercing, slightly fluffy, dark blue flowers appear in Augustand September at intervals on long stems among pointed, aromatic, grey-green leaves. With its strongly upright habit, this lovely, dark blue form of 'bluebeard' is perfect for the middle of a sunny shrub or mixed border. It is also a magnet for bees and butterflies and is drought-tolerant. Where temperatures fall below -15C it's best grown against a warm, south or west-facing wall.Garden care: In March prune all of the flowered stems back hard to the permanent framework. After pruning apply a generous 5-7cm (2-3in) mulch of well-rotted garden compost around the base of the plant.<br |