Watling Street, Towcester, Northants, NN12 6GX
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Mon-Sat: 9am-5:30pmCafe: 9am-5pm

Sunday: 10:30am-4:30pmCafe: 10:00am-4pm

A popular garden shrub with stunning colour flowers in shades of pink, white or blue and pretty autumn.


One of the most interesting facts about Hydrangeas is their ability for the flowers to change colour depending on the soil PH where you plant it. However, no matter what colour it is, these make a fantastic shrub for any garden!

Planting Guide

Hydrangeas normally thrive in a moist, but well-drained soil. Ideally, they grow best in a cool, semi-shady part of the garden and where possible try to avoid exposed east-facing sites, with cold winds as these may damage young growth.

Colour Change of Flowers

As most people are aware hydrangeas change colour depending on the soil PH.

High Acid Soil – If your soil has a high acid level then the flowers tend to be blue or pink.

Acid neutral soil – flowers will tend to be mauve in these conditions.

Alkaline Soil – these conditions will normally produce pink flowers acid to neutral soil conditions.

White flowers, and also green-flowered cultivars, remain white or green regardless of soil pH.

Where possible also try to use rainwater as mains hard water can affect the flower colour turning the blue flowers mauve or pink!

Colour changes can also happen in late Summer – Blue and pink flowers tend to fade to become combinations of green and pink/red. White flowers typically become a more vibrant pink.

Visit us instore to see our selection of Hydrangeas that are sure to wow you!

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