Stewart Robert Hinsley writes
In message , K
writes
Stewart Robert Hinsley writes
Bog myrtle (Myrica gale) is rumoured to repel midges.

Scotland is full of bog myrtle ;-)

It was the curator of the Highland Folk Museum in Kingussie that told
us that bog myrtle keeps the midges away. So we tried bog myrtle
potpourri to keep the midges out of the caravan.

Did it work?

--
Kay