How can I change the colour of my hydrangea blooms?
Hydrangeas are fascinating in that, unlike most other plants, the colour of their flowers can change dramatically depending on either their situation or by a little help from us gardeners. Encouraging colour change in hydrangeas can be quite tricky and if not done correctly can have a serious adverse effect on the plant. It is always a good idea to discuss your plans to alter the colour of your plant with an expert at your local garden centre. LIMITATIONS TO HYDRANGEA COLOUR CHANGE: White hydrangeas can NOT be changed to pink or blue by the grower. (Mother Nature sometimes adds pink and red to blooms as they age). • It is most unlikely due to weather conditions in the British Ilses that a hydrangea will achieve a “true red”. No matter how convincing those pictures in the catalogues are or how much lime is added to the soil, one can only achieve a very deep or dark pink, but not a true red (although we would love to hear from anyone who might have a true red hydrangea). • There is littl
