I've got a Sunrise cactus that I bought at the store, which came with
instructions to give it cold temperatures (40 degrees) in November and
December in order to have it bloom a few weeks later. I also have a
few Christmas cacti that were given to me and I'm not sure when their
bloom time is. Should I put them in the cold along with the Sunrise
cactus, or leave them inside where it's warm and hope they bloom?
Sunrise Cactus A.K.A Easter Cactus = Hatiora (formerly Rhipsalidopsis) are
spring bloomers and will not respond to such treatment. They bloom as they
days begin to get longer.
Schlumbergera (Thanksgiving and Christmas Cactus) are winter bloomers (short
day plants) and will respond to such treatment.
But Cereoid, the tag for the Sunrise Cactus (Rhipsalidopsis gaertneri)
"REBLOOMING: Around Oct-Nov, provide temperatures of 40-55 degrees F
for 8-10 weeks with moderate light. Bring inside and watch it bloom
approxmiately 2 months later."
Last year I did just that and the Easter Cactus bloomed beautifully.
However, the Christmas cacti I had sitting right next to it never
bloomed at all, which is why I'm wondering whether taking the
Christmas cacti outside this year should be avoided.
My point is that I followed the Sunrise cactus' tag instructions and
it bloomed beautifully. It's the Christmas cacti that I'm wondering
about. Last year I gave it the same treatment as the Sunrise cactus,
putting it in the cold for a few weeks in November and December, yet
it never bloomed at all. So I'm wondering if the Christmas cacti would
prefer warmer temps in order to coax it to bloom, or should I again
try and give it the cold shoulder?
On 4 Nov 2003 15:00:00 -0800, email@example.com (Fleemo) wrote:
I've got all three-Thanksgiving, Christmas, and Easter zygocactus.
The Thanksgiving cactus is now showing swelling of white buds. I put
all three on the deck during the summer months where they got full
morning sun. I bring them in to a cool room (50 degrees is best)
where they still get light no artificial light, but I neglect them
somewhat and hold back the water. I give them organic feedings
(compost/manure tea, fish emulsion) and from March to September. My
Christmas cactus is huge. My mother used to put the Christmas cactus
in a closed room with no heat and it bloomed remarkably well.
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