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. Aad Holland > On 27 mei 2014, at 22:35, "Nhu Nguyen" <xerantheum@gmail.com> wrote: > > There are a good number of suggestions on the PBS Wiki Calochortus page: > http://pacificbulbsociety.org/pbswiki/index.php/… > > Also, linked from that page is a growing guide from Hugh McDonald, a master > Calochortus grower. > http://pacificbulbsociety.org/pbswiki/index.php/… > > 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 <petersirises@gmail.com>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 <giantcoreopsis@gmail.com> 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 >>> (http://calflora.org/cgi-bin/species_query.cgi/… >> ). >>> 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? >> _______________________________________________ >> pbs mailing list >> pbs@lists.ibiblio.org >> http://pacificbulbsociety.org/list.php >> http://pacificbulbsociety.org/pbswiki/ > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/