flowers for dry wall

in Plants

Good afternoon. First of all thank you to all who contribute to this forum, what a find for me. You have kept me company in a most horrid of winters. Like many, I am clinging to summery thoughts to chase away bad thoughts; so what would you grow in the gaps of this south facing wall? It has to be something that doesn't mind being thirsty.

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Sempervivum, some of the smaller Sedums (Dragons Blood, Oreganum, Coral Carpet), Erigeron, Geranium cinereum, Aubretia, Delosperma, Gysophilla repens, Escholzia californica (that's an annual).
Suggest you look up crevis gardening or rock gardens...in UK
Any of the plants listed there can be squeezed into a hole in your beautiful wall.
The roots will go deep into the wall and possibly into the soil behind it for moisture.
https://www.google.com/search?q=crevice+garden+plants+uk&client=firefox-b-d&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiU1o-62cvuAhVuTRUIHR89CdgQ_AUoAXoECBUQAw&biw=1280&bih=579
https://dengarden.com/landscaping/Plants-That-Grow-in-Walls
Have a look at Erinus alpinus...a favourite of mine.
Try ferns such as....Asplenium trichomanes
I love that Cymbalaria, I know where I can get some
Get the right plants and they will take care of themselves.
The gaps in the wall are quite large...you should easily be able to stuff tiny plants in the holes. Good luck..it should look wonderful.