Posted: 14/01/2014 at 10:43
Just answered all these questions and lost the posting.
80 to 100 years.
Leaf mould, scrap metal, broken glass and pottery etc
Perry Pear, Damson, Rowan and Hawthorn.
Damp soil as it is the lowest part of the land.
And that picture is only a quarter of it.
We have spread the bulbs out over the last 20 years. Each bulb planted with become 5 in a few seasons.
Very highly scented and sterile, so not straight G. nivalis. Usual method of spread is the moles.