On Thu, 12 Feb 2004 11:24:37 +0000 (UTC), Simon Matterface wrote:

Might be Oxford University Botanical Gardens c.1621. I think this is the
oldest, and was constructed because of an expected severe winter. This does
suggest, however, that perhaps the properties of greenhouses were already
well known.

The Romans had glazed structures of a kind -- whether
greenhouses, orangeries, or coldframes, I don't remember.


--
Rodger Whitlock
Victoria, British Columbia, Canada
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