Date: Fri, 9 May 1997 10:53:18 -0700 (PDT) From: Loren Russell <loren@peak.org> To: cp@opus.hpl.hp.com Message-Id: <aabcdefg1850$foo@default> Subject: CPs in troughs
The alkilinity of hypertufa would be a problem for many CPs, though you
could control leaching with a roofing tar or equivalent. I do have the
lime-loving Pinguicula vulgaris growing in a trough, inserted in holes in
a pumice boulder in a peat medium. The only drainage holes are small,
about 2 inches below the rim.
You can also construct trough-like wooden planters, coat the inside with
roof-tar, and avoid the lime problem.
Loren Russell, Corvallis, Oregon
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