Re: dutch irises
At 12:44 12/20/96 -0700, you wrote:
>I would like to foster a bed of Dutch irises here in zone 5; sweltering
>hot and humid in the summer, -15 deg F in the winter, and clay type
>soils. It is my understanding from my readings that they need to get hot
>and dry in the summer, need excellent drainage, and are only reliably
>hardy to zone 6.
Dutch irises - I. xiphium/latifolia/tingitana are certainly viable in Zone
4B. As they are bulbs and can be planted as deep as 12 inches, they survive
the winter fine and bloom in June.
Ian E. Efford
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tel (613) 526 4427 or 4429 fax (613) 526 0081
1909 Broadmoor Avenue, Ottawa, Ontario, Canada K1H 5B3