Hydrangeas are a popular garden plant, but the colour of the flower is determined by the pH level of the soil and adding one ...

pink, rosy-red, lavender, light blue, dark blue, bluish purple and white appear above the rich green leaves. Garden hydrangeas (Hydrangea macrophylla) are native to Japan and are the most common ...

Few plants elicit such contrasting views as hydrangeas.To some ... some varieties flower in subtle shades of pink, pale green or rusty red. AT A recent plant trial by the Royal Horticultural ...