Hymenocallis/Ismene 'Sulphur Queen'

Dennis Kramb via pbs pbs@lists.pacificbulbsociety.net
Wed, 08 Jun 2022 12:59:24 PDT
Is this plant fertile?  Photos online show nice fluffy pollen on the
anthers.  But I can't find records of it as a parent of any other hybrid on
the market which makes me suspect it's sterile.

I was wondering if self-pollination could produce 2nd-generation offspring
with more intense yellow coloration like the H. amancaes parent.

And if it's fertile I'd also like to cross it with the cold-hardy H.
occidentalis (which I have been growing a few years now) to try to develop
a yellowish cold-hardy hybrid.

I was surprised to find my H. occidentalis was readily self-fertile, so
maybe 'Sulphur Queen' is too?

Thanks,
Dennis in Cincinnati
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