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Rockery Stone seen on an episode of G World
Hi, I saw an episode where the presenter shows us a type of stone that you dug a hole into, placed your alpine plant into, instead of placing it into the ground on your rockery. But I can't remember the type of stone. Can anyone else help please?
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Tufa?
In the sticks near Peterborough
Tufa is in short supply and very expensive, although there are some suppliers in the UK http://www.english-tufa-rock.co.uk/buy-tufa-2
Many people make an imitation 'rock' called hypertufa - details here http://www.alpinegardensociety.net/pdf_files/publication/AGS-Hypertufa_Leaflet.pdf
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.