"Harold Walker" wrote ...
Is the pit style greenhouse in use in England?.........H

If I remember correctly in the greenhouses at West Dean Gardens, West Sussex
you walk down steps as you enter them as you did in the stove house at Wyld
Court Orchids, Nr. Newbury. (many years ago, sadly it's no longer there)

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Regards
Bob
In Runnymede, 17 miles West of London