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thompson and morgan hydrangea double dutch alkmaar 14cm potted plant x 1, blue

The Hydrangea Double Dutch Alkmaar produces masses of beautiful blue double-flower heads, densely packed out so very eye catching. Hydrangea Double Dutch Alkmaar is a great plant to stand out in patio pots and borders with its mesmerising colour displayed in its blooming clusters Like all Hydrangeas the intensity of the colour is dependent on the soil pH. Hydrangeas like to be grown in rich moist soil, and to give them the best start, stir in rotted manure or garden compost thoroughly.