Growing Trillium Seed

learn2turn(6)June 12, 2012

I have a trillium with that flowed with a capsule that likely has some seed. I read a bit about it's two-year cold cycle when planted and also that 90 day is the minimum for each cycle. I thought I'd try to force some for next year and wanted to check the protocol.

Should it be --

90 days in the fridge.

90 days room temperature.

90 days in the fridge.

Room temperature until sprouts.

Or should it be --

90 days room temperature.

90 days in the fridge.

90 days room temperature.

90 days in the fridge.

Room temperature until sprouts.

Any insight or advice that can be given is appreciated.

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lycopus(z5 NY)

They can be cleaned and stratified right away. After the first cold period the seeds will germinate and form roots. After the second cold period they will usually send up a single small leaf.

I have tried forcing them using a fridge and a growth chamber but didn't have much luck after the second cold treatment due to algae and mold forming around the pots. The challenge was keeping them from drying out for all that time and in hindsight a flat would have been better than individual pots. The success rate was much higher just planting them in the field and waiting.

Here is a link that might be useful: Trillium seed propagation

    Bookmark   June 12, 2012 at 11:50AM
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