pbs Digest, Vol 42, Issue 29.. Growing conditions
Adam Fikso (Tue, 25 Jul 2006 10:27:00 PDT)

Hello all: Between +20 and -20 (Zone 5) there is more than "just" a little
difference, which, although acknowledged, tends to be overlooked, glossed,
or otherwise neglected in discussions about "hardiness" which word is used
carelessly and thrown around about as loosely as partisan words in certain
political conversations. Without being clear about what we are saying,
we're not going to advance the cause of learning how to grow bulbs very well
in different situations. Bulbs, however, are somewhat forgiving because of
their storage capabilities--and can "ride out" intermittent climatic
unevennesses that would more seriously affect a non-tuberous or non-bulbous
plant.

Somehow, the quality of soil that certain bulbs grow in needs to be
mentioned--more often--if not routinely. Of course, by This certainly got
touched on in the discussions about where to get coarse Perlite. Has
anyone checked the degree of coarseness of Perlite used in building
construction for insulation or manufacture of ceiling insulating tiles? I
can imagine that it might be much cheaper even though it might not be
packaged in less than cubic yard or carload lots. Adam in Glenview, IL.
USDA Zone 5a

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Today's Topics:

1. frost tolerant Crinum foliage (Kenneth Hixson)

----------------------------------------------------------------------

Message: 1
Date: Sun, 23 Jul 2006 20:03:45 -0700
From: Kenneth Hixson <khixson@nu-world.com>
Subject: [pbs] frost tolerant Crinum foliage
To: Pacific Bulb Society <pbs@lists.ibiblio.org>
Message-ID: <6.1.2.0.0.20060723195448.02e958c0@mail.nu-world.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed

Dear Joe:

Does anyone know at what point these plants lose their folaige to frost?

I'm not much help. Here (western Oregon, Z7/8) all of the
Crinums are frostbitten in winter, and our lows often do not get much
below +20F. I almost said Crinums are deciduous, but that is
inaccurate, isn't it--they don't lose their leaves, because the leaves
just keep growing. They stop growing after cold that "bites" the exposed
portions. They start growing more leaves (extending the existing leaves)
well before the last frost.
I'll try to be more observant this winter.

C. Burgundy has opened one flower. Plants by the label
"Royal White" have been in bloom for about two weeks, but the flowers
have been pink, so presumably I've mixed the labels with C. x powelii.

Ken

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