I have a blue Hydrangea growing in a large tub of Ericaceous compost (it was blue when I bought it last year). The label says the PH level should be 4.5. I checked the compost and the level is 6+ and the flowers this year are red. How do I lower the PH to get … read more

I meant to buy an ericaceous compost in the garden centre because I need to plant some heathers, but I couldn’t see any. Could I use “Multipurpose compost with added John Innes?” It says on the packet that it contains “a blend of loam, perlite, course grit, sphagnum moss peat and fertilisers.”

Could you let me know if adding sulphate of iron to soil ( black moss type) would be of benefit when planting a hedge of pieris Mountain Fire .

Can you help? We planted a hedge/shelter belt over 10 yearsago using the above. The Privet has been successful but is very slow growing and is now about 2 mtrs high. I would like to trim same and maintain it at this height. is this possible? Can I take cuttings & how do I propogate … read more

Can you tell me why my Cherry Blossom has branches with just leaves on it? Should these be removed and if so when is the best time to do this?

I bought red hydrangeas but when the flowers appeared they are pink and mauve. I know it has something to do with my soil but don’t know how to fix it. I love the web site, keep up the good work.