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Kezia Reynolds

Garden experts reveal the clever trick that turns hydrangea blooms from pink to blue - and all you need is a tea bag

Close-up of blue hydrangea.

I love hydrangeas for their beautiful colours, and after finding out how easy it is the change the colour of these gorgeous flowers, I love them even more - as garden experts say all you need is a teabag.

Bright and colourful, it’s easy to see why hydrangeas are one of the most popular shrubs in the UK. If you're agonising over which hydrangea to plant based on the colour, don't bother, as you can change the colour of the blooms by adjusting the acidity of the soil in your garden.

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