Major clay garden

we have quite a large garden but limited top soil. We know that the clay is at least 2m deep due to recent gas pipe renewal. Have installed four little soak away s in back garden but still struggle with surface water. Any ideas?
also, it really sure what we can plant. Very sunny SW facing garden which can get very hot in summer, but will als9 flood if too much rain.
front garden is NW facing and full or Moss. No idea how to remove it and improve the lawn. Please any help would be great.
jude
also, it really sure what we can plant. Very sunny SW facing garden which can get very hot in summer, but will als9 flood if too much rain.
front garden is NW facing and full or Moss. No idea how to remove it and improve the lawn. Please any help would be great.
jude
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Posts
Plants that do well in heavy clay Roses, hostas, hellebore, mecanopsis, hydrangas, hardy geraniums, wallflowers and digitalis Plants that have done well for me but are not necessarily lovers of clay are delphinium, dahlias, nepeta, verbana, hollyhock and most bulbs. ( with grit added to the planting holes)The only plants that I've that cant grow are lavenders ( English and french) carnations, most herbs. So basicaly anything needs med type rocky sandy soil.
I have found that with work that fruit and vegetables do well in clay soil. But it does require you to add lots of organic material. If you haven' already think about somewhere yiu can make your own compost/mulch as this is invaluable with clay oh and don' walk on it 😀