Hippeastrum cold hardiness

Del Allegood npublici@yahoo.com
Wed, 24 Feb 2016 04:37:02 PST
Papilio is variable.It stays evergreen more often than not,in the Tampa bay area.If it gets too hot it will go dormant.If the leaves get burned off from cold, it will often go dormant.If it gets too much water in either of these circumstances,the bulb will rot.Papilio grows best in cooler months. Its natural dormancy is in the heat of summer.It may not lose its leaves,but it is still dormant.I have found that Vittatum is hard to kill. Del  

    On Wednesday, February 24, 2016 12:22 AM, Eugene Zielinski <eez55@earthlink.net> wrote:
 

 I'm glad Jim Waddick mentioned Hippeastrum x johnsonii as one of the
hardiest garden amaryllises.  Scott Ogden (Garden Bulbs for the South)
lists this as an old (ca. 1810) hybrid of H reginae and H. vittatum.  Thad
Howard (Bulbs for Warm Climates) said he was "amazed to find H. vittatum
growing in sandy woodlands (in Brazil) at a depth of 6-8 inches."
I used to live in Augusta, Georgia, and H. x johnsonii grew very well
there.  The large Hippeastrum hybrids also did well.  This doesn't surprise
me since the ground rarely froze during the winter, and when it did, I
doubt that frost penetrated deeper than an inch.  Augusta receives rain
year round, so I don't think H. x johnsonii and other Hippeastrum hybrids
require a dry dormancy -- a dry dormancy may actually be harmful.  I've
seen H. x johnsonii bulbs and seed offered on Ebay; the bulbs seemed
overpriced to me.
In zone 7 Oregon, it would be an interesting experiment to plant some
inexpensive Hippeastrum hybrids deeply (say, in a 10 inch hole) and see how
they survive.

Eugene Zielinski
Prescott Valley, AZ
USA


> [Original Message]
> From: The Silent Seed <tylus.seklos@gmail.com>
> To: Pacific Bulb Society <pbs@lists.ibiblio.org>
> Date: 2/23/2016 8:01:01 PM
> Subject: Re: [pbs] Hippeastrum cold hardiness
>
> So how deep are you guys planting them in the colder zones (5-6?)
>
>
> On Tue, Feb 23, 2016 at 9:54 PM, Travis O <enoster@hotmail.com> wrote:
>
> > Thank you, Lee, and everyone else. I'm technically in USDA zone 7b, we
> > experience the occasional dip to -12c, often without snow cover, and it
is
> > always wet in Winter. Deciduous species would probably fare better, I
> > assume.
> >
> > I'd love to try some of the hardy species should anyone have
seed/offsets
> > to trade.
> >
> > Travis Owen
> > Rogue River, OR
> >
> > http://www.amateuranthecologist.com/
> > http://www.pacificbulbsociety.org/
> >
> > _______________________________________________





  
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