ROCK GARDENSRock Gardens Overview - 7The one great aim is to afford
a sound and level surface for the paving,
and the straight-edge will, therefore, be
constantly in use with a view to this. The
foundations must be rammed and rolled absolutely
firm; if there is the slightest fear of any
settlement in the base, as may well happen
in clay, a two to three inch layer of cement
in which to lay the paving had better be
put down. Over the hard core spread a two-inch
layer of sand or ashes, if cement is not
used. Make this quite level and then lay
down the paving, fitting the pieces carefully
together and filling up the gaps with the
smaller fragments. No crevices of much more
than an inch in width should be left between
the stones, or the path will not remain firm:
Where there is likely to be much traffic,
the main stones, and all those at the sides
of the walk, should be set in mortar. This
will keep it firm. Fill the interstices with
sandy loam, so that rock plants, such as
saxifrages, thymes, and other creepers and
trailers, may be planted. next rock gardens overview
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