Ran into this quite by accident. No experience growing safron crocus from seed, but I have grown things that make "bulbs". I am wondering if the post above mentioning 3 - 4 years for germination is correct. Once germination occurs, you have to wait for the bulb to form and that can take quite some time.
I started 3 things that make "bulbs" in February 2014 - Siberian Iris, Dietes and Dierama. Fortunately I did not have to jump thru stratification cycles hoops as mentioned above. All 3 germinated in ~ 3 months and I have been growing them out (bulb making) since. The 2 D plants are in a back bedroom for protection as they are not hardy here.
I will keep this in mind and if I run into any info, will let you know.
