By Masie
United Kingdom 
Hi everyone, its me again, masie.Hope your all fine, Please can anyone tell me what causes the petals of a hydrangea bloom to turn brown in places and how can you change the colour from white to blue or pink.thankyou.masie
7 Jun, 2015
Hi Masie if your hydrangea is white then you an't change it to pink or blue - sorry. As to the petals turning brown this could be the effect of too much rain and/or wind.
7 Jun, 2015