My Sedum specatible in the garden is at various ages. This is a significant factor; so is our heavy clay soil which means everything seems to grow much bigger than any dimensions ever given in an RHS book.
In its first three years here at Stevington, it grows superbly and the winter picture is magnificent whether it bears frost or snow. Year 4+ it splits or flops and looks like the waves of a sea.
Last May I decided to give the Chelsea Chop to one main bed of it, actually part of my Hepworth Garden based on her painting called Green Caves. It quickly re established itself but the flowers were not as big as before nor the stems as strong. This meant that in the December snow they couldnot cope with the weight and twisted and collapsed...quite sad. Now in January with yet more snow they will be even weaker.
Not quite sure what the answer is; maybe the Hepworth weak growth which I chopped last May, will have weakened the plant and I can just leave it alone next year. I know at Coton Manor they weaken the roots by lifting them slightly with a fork. So far I havenot tried that trick...my heavy sticky clay soil is not easy to manage like that.
Truth be told I am enjoying the new planting of 2008 best, its not yet reached that flop stage!
Perhaps we have to replant every three years.
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