Calochortus greenei

Aad van Beek
Tue, 27 May 2014 14:16:32 PDT
I also have no success with growing Calochortus so far. Have the same experience as Chris. They are still alive but no more than that.
A solution for the bigger pot versus moisture in the pot while the bulb is dormant is to put the pot on the side.


> On 27 mei 2014, at 22:35, "Nhu Nguyen" <> wrote:
> There are a good number of suggestions on the PBS Wiki Calochortus page:
> Also, linked from that page is a growing guide from Hugh McDonald, a master
> Calochortus grower.
> I agree with Peter that planting bulbs deeply is important but not
> absolutely necessary. The bulbs will find their way down deeper into the
> pot each year.
> Calochortus greenii is in Section Mariposa, that means full sun, and good
> well-drained soil. I have found that all Calochortus species responded very
> well from being fertilized. I suggest you give your plant a bigger pot,
> more sun, and frequent fertilizer. The only disadvantage with a bigger pot
> is that it's hard to dry the pot out completely. Any moisture during
> dormancy and you risk the bulbs rotting away. It's perfectly fine to remove
> the bulbs and store them in a paper bag until the growing season. These
> bulbs lose all of their roots during dormancy so disturbance should not
> matter.
> Happy planting,
> Nhu
> On Tue, May 27, 2014 at 2:43 PM, Peter Taggart <>wrote:
>> I can claim no great success with Calochortus, but, as no one else has
>> answered, I  suggest that standard procedures would be to plant the bulbs
>> very deeply which helps promote bulb size and promote flowering. Flower
>> buds should be initiated by heat soon after the bulb dies down for the
>> Summer. Stem growth should then be stimulated by cold temperature
>> fluctuations in Autumn and Winter.
>> People do put pots of bulbs in the refridgerator to increase stem length if
>> the flowers are prone to opening below ground, and to increase the size of
>> the flowers
>> Another factor may be that the bulbs would like to remain undisturbed for a
>> few years before flowering.
>> I know little about Calochortus, these are just some useful principles for
>> cultivating winter growing bulbs.
>> Peter (UK)
>>> On 22 May 2014 00:09, Giant Coreopsis <> wrote:
>>> This may be an obscure one but here goes:
>>> Season after season these bulbs survive, but they aren't terribly robust
>>> (just a single blade) and they don't ever bloom. It's been that way when
>>> they are planted in the ground and when planted in pots.  This year they
>>> were in partial shade in a mix of sand, peat, perlite and some other
>>> organics. Any idea how to improve performance?
>>> I am in LA and C. greenei's range in the far north of California into
>>> Oregon
>>> (…
>> ).
>>> It's been suggested that I might want to mimic a cold winter.  How would
>> I
>>> do this - eg, is it as simply as putting the pot in my refrigerator for a
>>> couple of months over the winter?
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