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Re: OT: Christmas Cactus and Poinsettia

  • Subject: Re: [iris-photos] OT: Christmas Cactus and Poinsettia
  • From: "heather & bernard pryor" <irishaven@pip.com.au>
  • Date: Sun, 18 Nov 2001 17:07:56 +1100

Hi Mark,
Your "Christmas cactus" is what we call a Zygocactus.  We grow lots of pots of them and keep them out all the time.  They generally bloom in mid July for us.  Perhaps their flowering time has something to do with the winter solstice?  It would seem that they bloom in both hemispheres within a few weeks of this predictable event.  Ours are mainly hot cyclamen, deep cerise, bright red and salmon pink.  They live on our back verandah (facing south which would have the same gardening position as if they were growing near a north-facing wall in the USA) and get all of the worst weather etc.  It doesn't seem to bother them one bit.
Cheers for now,
Sydney. Land of Oz.
Where one man's Christmas Cactus is another lady's winter cactus!
----- Original Message -----
Sent: Wednesday, November 21, 2001 2:03 PM
Subject: [iris-photos] OT: Christmas Cactus and Poinsettia

     The Year 2000 Citrus County [FL] Master Gardeners Calender states that
Christmas Cactus sets buds regardless of day length if night temperatures
fall under 50 F.  We have had a lot of nights under 50 F, with one briefly
dipping to freezing, and now the Christmas Cacti I have outside are loaded
with buds.  I have attached a picture of it from last year.  This is the
result of one of my recycling center plant rescues.
      The Poinsettias are also starting to get significant coloring to them. 
Most of mine are red, but I also have two bright pink ones.  All are getting
nice color.  The color appears to be developing faster this year.  I am
wondering if night temperatures may influence Poinsettia too? 
     Both Christmas Cactus and Poinsettia must be grown in pots here, because
on those colder nights that sneek in...

Mark A. Cook
Dunnellon, Florida      [USDA Zone 8b]

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