Amoreuxia gonzalezii - dormancy advice?

Steve Marak via pbs pbs@lists.pacificbulbsociety.net
Tue, 05 Oct 2021 13:05:35 PDT
Thank you, Shawn. No frost in the greenhouse, I hope, so I won't put 
them with the finicky terrestrial orchids, but will move them to the 
cooler edge.

Steve

On 10/4/2021 9:09 AM, Shawn Pollard via pbs wrote:
>   The two Amoreuxia species grow wild in Arizona in USDA Zone 7 (Sunset Zone 10). They tend to grow where rocks no doubt insulate the tubers from frost. They tolerate water during their winter dormancies just fine in Yuma where there is no frost; winter precipitation is more erratic where they are native.
>
> My plants haven't produced seed in a number of years now. Even when well-watered, actual summer rain is magical, and we haven't had any in quite a while until this year.
>
> Shawn Pollard
> Yuma, AZ
>
>
>       On Sunday, October 3, 2021, 03:57:45 PM MST, Steve Marak via pbs <pbs@lists.pacificbulbsociety.net> wrote:
>   
>   I don't know if this is truly a geophyte or not, but it's been in a
> BX/SX several times (I received the seeds from one in 2014) so I know
> people here grow it.
>
> The seed packet was misplaced and I only found it this past spring, but
> based on the appearance I scarified the seeds and 6 of 8 germinated
> rather quickly. Three of those faded away over the following few weeks,
> but the other three grew well. Over the last couple of weeks the leaves
> have yellowed and dropped, and I assume they're entering seasonal dormancy.
>
> I also assume I should reduce water, but avoid desiccation, as with
> Cynorkis or Habenaria? How about cold tolerate or preference while
> dormant? Surely not hardy in NW Arkansas, so any advice about pot
> culture will be appreciated.
>
> Steve
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