Jane McGary
Tue, 05 Dec 2006 16:35:44 PST
Diana Chapman wrote,
We had a discussion not long ago about germinating Tropaeolum seed.  It has
>a reputation for being difficult, and I, myself have had difficulties in the
>past.  I have a very nice collection of about ten species, most of which I
>grew from seed from Watson & Flores.  Their seed germinated just fine - why
>didn't mine?  I figured that the difference could be that my seed was stored
>in cool conditions. ... This year I left the seed it its containers in
>the greenhouse

My experience with seed from western South America has been that the best 
germination is achieved by storing the seed dry at room temperature over 
the summer. I just leave it in paper packets in a box in a back corner of 
the kitchen counter, then plant it in the fall. Probably the maximum 
temperature during storage is 80 F. I haven't tried soaking the seeds as 
Diana did, but I'll try it the next time on some of the large seeds such as 

Jane McGary
Northwestern Oregon, USA

More information about the pbs mailing list