About the lowest estimate of cost per sash is five dollars; this
amount includes the cost of one fourth of the frame and covers.
There are usually four sashes to one frame. A well-made mortised
plank frame costs four to six dollars. A sash, unglazed, costs from
one to two dollars. Glazing costs seventy-five cents. Mats and
shutters cost from fifty cents to two dollars per sash, depending
upon the material used. Double thick glass pays better in the end as
being less liable to breakage. These prices vary greatly, however.
The following sample estimate by a gardener is for a market garden
of one acre, in which it is desired to grow a general line of
vegetables. It supposes that half of the acre is to be set with
plants from hotbeds.
One eighth acre to early cauliflower and cabbage, about 2000 plants,
if transplanted, would require two 6 X 12 frames, from two hundred
to two hundred and fifty plants being grown under each sash.
These frames may be used again for tomato plants for the same area,
using about 450 plants. This will allow a sash for every 55 plants.
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