tulipa

Gordon Hogenson via pbs pbs@lists.ibiblio.org
Fri, 27 Mar 2015 14:24:14 PDT
Tulips require a period of cold temperatures in winter to induce flowering. In Houston they might not be getting enough winter cold. I suppose you could dig them up and store them in the refrigerator (that is what bulb merchants do for bulbs sold in the South) for a few months.


   
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