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In article , "JennyC"
wrote:

Phew - you want a miracle plant !!

Exactly. But they don't do them in my local garden centre

By the way, they told me I couldn't grow jasmine from a cutting, but
somehow (more or less by accident), I did! So maybe I can work
miracles!?

Ten stories up is high and the wind will be a big problem. Things dry out
very
quickly and can get scorched too.

I think I'd try a variegated ivy - this will be good all year and you can
add
some summer climbers for colour.

I'll try ivy if all else fails. And the summer climbers would be a
good idea in that case.

ta
DH