mature

Cyp. franchetii is closely related to macranthos and tibeticum.

It is a not too difficult continental species, see tibeticum, but slightly warmer growing and longer season

two years or more out of flask

Strong 3 years ex vitro seedlings. Much easier growing species than its relative Cyp Tibeticum. Tollerates higher temps and has gorgeous flowers. 

in vitro ( flask ) seedling

For one tray of plusminus 15 pieces in vitro seedlings . It is  easier and warmer growing than Cypripedium tibeticum. and thus more suitable for our maritime climate.