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RE: Fall planting

  • Subject: RE: Fall planting
  • From: michael shelton <wilddog_202@yahoo.com>
  • Date: Thu, 23 Sep 2004 09:50:47 -0700 (PDT)

The main cause of crown rot is the freeze/thaw cycle
during cold months and I've found the problem to be
greatest in the spring.

Mulch is the answer to the freeze/thaw cycle, water
collects at ground level with daily freeze thaw, then
freezes the crown. The freeze damage to the crown
makes it susceptible to rot. I've mulched as much as 6
inches without any problem. Late emergence in spring
is the biggest advantage of deep mulch. A plant that
comes up early is subject to freezes not just a little
frost. Mulch also holds down heave during freeze/thaw.

I've talked many times about the waste of time and
money creating a $100 hole which is at odds with
current research in soil science.

--- "Pinterics, Michael W (GE Healthcare)"
<Michael.Pinterics@med.ge.com> wrote:

> I'll chime in quickly, as I'm hearing chimes in the
> background.... My
> only concern would be heaving due to a frozen hole
> with a soft medium
> in it holding the hosta.  yes we should know better
> than to simply drop
> the pot in the hole but... as we dig that $100 hole
> to hold the hosta 
> we still have the hosta sitting in a softer medium
> than the ground 
> around the hole.   Since the hosta has no time to
> laydown roots... you
> run the risk of heave.   Up Nort' here, it's
> becoming a bigger problem
> as our winters are less stable in the more moderate
> states with a
> constant freeze thaw pattern it might become more of
> an issue.  Not 
> sure, never lived in a moderate climate.
> Mike
> Milwaukee
> -----Original Message-----
> From: owner-hosta-open@hort.net
> [mailto:owner-hosta-open@hort.net]On
> Behalf Of Chick
> Sent: Thursday, September 23, 2004 10:20 AM
> To: hosta-open@hort.net
> Subject: Fall planting
> I always get a few questions this time of year about
> how late you can 
> plant hostas.  I usually give some standard advice
> about a month before 
> the first hard freeze or whatever, but it occurs to
> me that I don't know 
> why there should be any reason not to plant as late
> as you want. 
> With our plants anyway, which are all grown and
> shipped in containers, 
> and if we don't sell them, survive perfectly well
> sitting in pots all 
> winter in frames, why do they need time to adjust to
> planting before 
> winter?  They're essentially dormant, or will be
> before they can do much 
> in their new site anyway, so what's the danger in
> planting them the day 
> before the ground freezes?  It seems to me that any
> changes involved in 
> going from pot to ground are all to the plants
> benefit, assuming that 
> they are planted in well drained soil - more
> insulation for the roots, 
> less variation in moisture level, and there is
> probably less freezing 
> and thawing below the soil level than there is in
> pots. Since we have 
> very few losses in pots over winter, which seems
> like a much harsher 
> environment, why would it be risky to plant late?
> I suspect that the vast majority of losses over
> winter are caused by 
> voles or poor drainage leading to crown rot.  Seems
> to me that would be 
> just as big a problem the second winter as the
> first, so what difference 
> does planting time really make?
> Comments and opinions are invited.
> Chick
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  • References:
    • RE: Fall planting
      • From: "Pinterics, Michael W \(GE Healthcare\)" <Michael.Pinterics@med.ge.com>

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