[Trillium-l] Need advice on forcing Trilliums for February Flower Show

Larry Stauffer lstauffer90 at gmail.com
Thu Jan 12 14:57:45 CET 2012

I'm not sure about forcing a bloom, but rooted propagules from
micropropagation require at least 2 months (preferrably 3) of refrigeration
to set their clocks, before they will come up. A suggestion would be to
transfer your plants to the refrig so they have enough time for the 3
months chill and also enough time to come up and bloom (an additional
Have never tried this, so might not work at all, but worth a test run with
maybe one plant to see.

2012/1/10 Susie Egan <segan at cottagelake.com>

> I urgently need some advice from any of you regarding forcing trillium to
> bloom early for our upcoming Northwest Flower and Garden Show in Seattle
> next month.****
> ** **
> I loaned a dozen or so mature Trillium ovatum and Trillium luteum to be
> displayed in one of their display gardens.  I potted them up in December
> and they took them over to a large greenhouse where they have been since
> then.  This greenhouse/nursery lets many of the flower show display
> gardens keep their plants there so they can be forced to bloom in time for
> the show, so they have some experience doing this but have never done it
> with Trillium.  ****
> ** **
> So far none of my Trilliums have begun emerging from the soil and we are
> now 29 days from show time.  I don’t know the specifics on what
> temperature they are at or if they have been watering them but can anyone
> give me some advice I can pass it on to them as far as what to do
> (temperature/light needs) to have them blooming by February 8th?  Thank
> you for any help.  ****
> ** **
> Susie Egan****
> Zone 7b  ****
> ** **
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