Hydrangea 'Preziosa' (Hydrangea)

Garden Centre > Plants > Shrubs > H

Position: full sun or partial shade
Soil: moist, well-drained, moderately fertile, humus-rich soil
Rate of growth: average Flowering period: August and September
Hardiness: fully hardy
Masses of mophead flowers start out deep pink in June, maturing to red with a crescendo of burgundy by the end of the year on neutral or slightly acidic soil. On acid soil, the flowers will open blue or mauve. This upright, deciduous hydrangea is a gorgeous specimen plant for a sunny or partially shady border where the purple-flushed foliage will add colour. It looks particularly good planted with other hydrangeas. The flowerheads are also a popular choice for dried flower arrangements.Garden care: Hydrangeas do not like to dry out. In dry weather, soak the roots with a hose and the plant will usually recover. Remove faded flowerheads in spring after the danger of frosts, cutting back the flowered stems to a strong pair of buds. Take out misplaced or diseased shoots. Mulch young plants with a well-rotted manure or compost in spring. Once established, remove a quarter to a third of the shoots to the base of the plant.Hydrangeas give their best blue flowers on acidic soil of p
H 5.5. When grown on neutral soil, with a p
H of 7, flowers will predominantly be pink, although blue or mauve blooms can also be produced. To produce blue blooms, make sure your soil is acidic with a p
H of at most 6.5. To make a neutral soil acidic you can treat it annually with aluminium salts. However it's much harder to alter the p
H of limey soil (alkaline), so it's easier to grow white or pink hydrangeas.

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