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Loss of clolour
Can anyone help? My daughter bought a blue Hydrangea, to keep in a pot. She wanted to bury the ashes of her cat in the pot under the Hydrangea, she potted the Hydrangea in Ericaceous soil and has watered it with rain water. Unfortunately the plant has lost its colour within a month, it has a washed out look to it. I wondered if the ashes of her cat has changed the P.H. balance too much in the soil. We would be grateful for some advice on how to get the colour back.
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Someone who knows more than me will be along, to keep blue I think you,re supposed to bury rusty nails or make a comfrey..or is it nettle? Tonic? I have opposite problem, mine was pale pink and cream, planted it and it,s brighter pink now, it was beautiful when I got it, I want mine washed out! Hmmm...maybe if I catch one of those cats that use my garden as a toilet....!! jOKE!!
Barmyowl high, you can buy a bluing agent from any G/C,should do the trick as long as the plant was a true blue to begin with. its the amount of aluminium in the soil that makes the blue plants colour ranges.
I have changed a pink one into a blue one using the bluing agent. Not as deep a blue as some, but a very attractive colour. I have to add the bluing agent every year though.