Purple-Based Foliage

Purple-based Foliage -- a proposed project

With so many people and a wide variety of growing conditions, I think we have a
good chance to confirm or refute the value of purple-based foliage as an
indicator of hardiness.   Not cause & effect -- just whether a PBF plant is more
likely to prove cold-hardy than a green one.  I'll handle the statistical
analysis, if enough of you will make the observations in your own gardens.

This is what I'd need for every TB you grow:

	Name of variety
	Foliage purple-based (PB) or green (G)
	# of years grown

No, you don't have to use the PB & G abbreviations unless you find it easier!
And I don't need the exact number of years you've had it.  Something like "over
5" or "at least 20" will suffice.  But it's important to cover every named TB
you have, not just the PBF ones.   I'll also need your best guess at the zone #
of your garden.

I realize that the iris are now snow-covered in some areas, so I don't expect
anyone to rush out to the garden to make these observations tomorrow.  Bloom
season will be fine.  Or just before bloom season, if that's when you have the
time.  E-mail or snail-mail your data to me, whichever you find most convenient.
Then after I've finished the analysis, I'll post the conclusion to the list.

Sharon McAllister (73372.1745@compuserve.com)
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