Growing Lilium rosthornii for seed

Rimmer de Vries
Thu, 04 Apr 2013 13:36:29 PDT
L rosthornii blooms about 2-3 weeks after L  henryi here in SE Michigan 
Early to mid August  for me 

Hybrids of henryi and rosthornii fill the gap between the 2 


Continental Zone 5

On Apr 4, 2013, at 10:20 AM, "Gene Mirro" <> wrote:

> I read that L. rosthornii blooms after L. henryi, which is already quite late.  I would like to collect seed of rosthornii.  Summers here are cool and short.  Should I grow this species in the greenhouse?
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