Cheryl Isaak wrote:
Especially to keep them from rooting from seeds?
Cheryl
Depending on what type you use it may take 4 - 8 inches but if you are
willing to put up with a few weeds you can get away with using "only" 3
inches of small sized gravel.
--
Bill R. (Ohio Valley, U.S.A)
Gardening for over 40 years
To see pictures from my garden visit
http://members.iglou.com/brosen
Digital Camera - Pentax *ist DL
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