J.E. Shields
Fri, 29 Mar 2013 05:48:49 PDT
Another possibility is that we are seeing one single clone making up the 
commercial stock of Sternbergia.  It is probably self-sterile, as many 
other plants in the Amaryllidaceae are.  All you might need to get seeds 
would be some live pollen from a different clone of the same species.

Another problem is that S. lutea occurs as triploid (2n = 3x = 33) as well 
as the diploid (2n = 22) form.  Triploids are usually sterile.  See:…

I would guess that you will have to find seeds of the diploid form, from 
one of the seed exchanges or from someone like the Archibalds.  Good luck!

Jim Shields

At 08:23 PM 3/29/2013 +1300, you wrote:
>Russ, Sternbergia does not set seed.  It is something to do with diploid
>or whatever.  Do you have one which does set seed, as there is a seed
>setting one.  But the most often grown one does not set seed.

Jim Shields             USDA Zone 5
P.O. Box 92              WWW:
Westfield, Indiana 46074, USA
Lat. 40° 02.8' N, Long. 086° 06.6' W

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