Quick note on Calochortus leichtlinii germination

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The first seeds of Calochortus leichtlinii (moist/cold stratified in the fridge) are emerging the radicles.
I noticed them since last week with a magnifying glass and they are big enough now for a picture. I don’t know if they really have to be kept at cold until the radicles start growing but best to be sure (about 10 weeks of cold/moist stratification).

Calochortus leichtlinii seeds starting to germinate after 2.5 months of cold/moist stratification

Calochortus tolmiei seedlings are already above ‘ground’! (vermiculite in this case).

Calochortus tolmiei seedlings