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Hi, I have a question about a rockery in my garden. The house and garden are about 100 years old, so some of the plants have been around a while - like those on the rockery at one end of the garden. In fact, the plants are pine trees and are around 30-40 feet high! There are 6 or 7 of them.
This week, I have renovated the rockery as it had been neglected for some years. I trimmed all the trees of their lower branches and removed about a foot of pine needles, exposing the rocks for the first time in years.
The rockery faces east and has a flat top. It gets some sunshine around mid morning, but the rest of the time it is shaded. When it rains, only about 1/3 of the rockery actually gets wet, so it is very dry.
So my question is, what plants can you suggest to grow on it - it is very large, east facing, dry/arid, gets little rain, little sun and the soiul must be extremely acidic (not to mention a little like concrete!)
Any help gratefully accepted. Thanks.
You could try sedums and sempervivums but I'd suggest testing the soil pH first and increasing it with lime if it is less than about 6.5.