Physiological effects of chilling Tulip bulbs

Peter Taggart
Sun, 17 Nov 2013 09:47:30 PST
sorry the link seems to be wonky , here it is again…
Peter (UK)

On Sun, Nov 17, 2013 at 5:37 PM, Peter Taggart <>wrote:

> Here is an article on the effects of pre-chilling tulip bulbs  http://
> Note that it is *not* the initiation of the flower bud which is effected,
> it is the shoot growth, it's rate of growth to flowering, and the
> production of offsets. Perhaps, in warmer climates, the increased speed of
> growth may be critical to get the Tulips to flowering before summer aborts
> the buds with premature dormancy?
> I failed to get Tulipa sprengeri to flower from seeds several times. It
> dives very deep in the pots and the bulbs would not get bigger. pPanting
> pots of two year old seedlings in the ground was much more successful.
> Peter (UK)
> On Sat, Nov 16, 2013 at 5:26 PM, Mary Sue Ittner <> wrote:
>> Since I prechill the tulips
>> I grow every year since it doesn't get very cold here and otherwise
>> they don't bloom, I've never been sure what to do with seedlings and
>> have just left them  in the pots in the shade until they were bigger
>> so perhaps that too could be a problem. This year the sprengeri bulbs
>> I still have left (the survival rate has not been good) are in the
>> refrigerator with the rest of my tulips, but they are very small.
>>  Makiko Goto-Widerman via<…>
>> 6:47 PM (22 hours ago)
>> to Pacific
>> Mary Sue,
>> I also live in Southern California, Orange County.   I used to keep tulipbulbs in floral refrigerator
>> in fall before planing them in December.  It is too warm to set flowers
>> here.

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