Crinum Season and hardiness... again (+ Hymenocallis)

Lee Poulsen
Fri, 05 Jul 2013 14:51:18 PDT
I had a question about Crinum as well. And since Jim W. and Jane both asked questions about trying to grow Crinums in their climates, I have a question, not about _cold_ hardiness per se, but about trying to get certain Crinum species to thrive in my dry southern California climate. 

I am wondering which of all the Crinum species benefits from, or requires, being either partially submerged in water, or at minimum, kept in a saucer that always has water in it, during the growing season. I've seen photos from some of our southeastern USA Crinum growers where they get plenty of rain and they keep a number of their potted Crinums (and Hymenocallis, too) species mostly submerged in tubs of water.
Which of the Crinum species should I either submerge in water or keep in saucers filled with water, especially in my completely non-rainy-summer climate? Also, which Hymenocallis species also require or desire the same treatment?

Thanks in advance!

--Lee Poulsen
Pasadena, California, USA - USDA Zone 10a
Latitude 34°N, Altitude 1150 ft/350 m

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