Getting a Bulb to Rebloom
by Penny Getts
(Reno, Nevada)
Doug says - let's get the zone stuff out of the way first - you're using Sunset zones rather than USDA zones. I confess I don't use those zones as they tend to be focused on Southern areas. In any case, no problem - here are the instruction for getting any of the hardier bulbs to rebloom and you get to decide whether you have enough real winter to keep them cold enough - both warm and cold winter techniques are here.
How to rebloom bulbs