CULT: pH for TBs

Tom Tadfor Little wrote:

:  I've never grown bearded irises where the pH was less than 7.5, and have
:  had no special difficulties. In fact they seem to do fine in a pH of 8.0,
:  which is typical for much of New Mexico. Things I've read made me believe
:  that they do well anywhere from slightly acid to rather alkaline, say
:  6.5-8.0, but I can't claim to have made any tests.

When I tested our soil in Oklahoma, the iris beds ranged from 5.5 (heaviest
clay) to 7.0 (sandiest loam).   Bearded iris seemed to do well everywhere except
the heavy clay bed on the west side of the house -- but it was completely shaded
until early afternoon, then in full sun the rest of the day.

Sharon McAllister
73372.1745@compuserve.com
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