Re: Iris japonica


On Tue, 12 Nov 1996 CEMahan@aol.com wrote:

> <<  Paradoxically the supposedly hardier I.
>  gracilipes has never lasted more than a year here but it seems the hot
>  summers might be the problem. >>
> 
> I have had the same problem with I. gracilipes, both the purple and the
> lovely white form....your idea about being too hot is interesting...but it
> gets awfully hot in Japan where it is native.  Clarence Mahan in northern VA

Maybe it's not how hot it gets in the summer but how cold it gets
in the winter. We had a posting earlier on what the cold
requirements for various irises are. I can't find this at the 
moment but maybe someone else can. I think Japan is fairly cool
since the Japanese irises also require cold winters. 

--
Diana Louis <dlouis@dynamicro.on.ca>
Zone 4/5 Newmarket, Ontario, Canada





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