We have a 3' high wall at the front of the house, which can be conveniently
sat on. We're trying to discourage this (asking nicely hasn't worked), so
thought some prickly plants might be the answer.

Holly is lovely, but just a little too slow growing, and larger plants would
be expensive.

Pyracantha has come up again and again when looking at options, but I'm
concerned about how high it can grow. Would it be happy to be kept to a
relatively low height as a hedge? Ideally keeping it about the 4' mark.

The fact that you can get a mix of lovely shaded berries and it attracts
birds would be an added bonus.

We'd be planting on the north side of the wall, and the area does get quite
damp, so we'd need to improve the drainage there (digging some sand
through?)

Would appreciate other thoughts?

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NK
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