Crinum Season and hardiness... again

J.E. Shields
Fri, 05 Jul 2013 12:27:54 PDT
This may well be true for best growth of Crinum lineare, but C. variabile 
is an opportunistic grower, and grows outdoors in the ground here in 
Indiana is summer, blooms in August-September, and is dormant in 
winter.  Opportunistic, not winter-growing.

My plants of C. lineare are forced to grow in summer, and might do better 
if allowed to grow in the warm greenhouse in winter instead.  Sadly, they 
are out of luck on this count.

I wonder if C. variabile was ever given a real chance to grow 
opportunistically before?  I had been growing the seedlings of variabile in 
winter inside the greenhouse, and they were doing very poorly.  They were 
left warm, dry, and dormant in storage in summers.  They barely grew over 
several years.  I was on the verge of simply pitching them, when Jim 
Waddick's nagging about how hardy crinums were made me plant some of them 
outdoors in the ground instead.  (If I was going to kill them anyway, I 
might as well experiment on the way, right?)  I was astounded to see that 
they actually flourished in the ground, outdoors all year around.

This is not the first time the Brits have been wrong about growing things 
in North America.

Jim Shields

At 03:08 PM 7/5/2013 -0400, you wrote:
>C. lineare and C. variabile are the two species from the Cape.
>According to Brian Mathew, "they will behave as winter-growers and
>require a dry summer while dormant."

Jim Shields             USDA Zone 5
P.O. Box 92              WWW:
Westfield, Indiana 46074, USA
Lat. 40° 02.8' N, Long. 086° 06.6' W

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