Re: Iris question


Hi Mark

I'm not sure about the other varieties, but bearded iris don't flower well
when they're crowded. I divide them every 3 years or so.

Leslie
zone 3 southern Manitoba

At 09:44 AM 09/24/99 -0400, you wrote:
>I have been growing various types of Iris for a number of years now:
>Iris japonica, Kaempfari, germanica, bearded, sibirica, and pseudacorus.
>Over the years, I have noticed that there is a drop in the number of flowers
>on all these types except for the pseudacorus.
>Fertilization does not seem to significantly alter this drop off, though
>it has marked affect on leaf growth and color. I have
>been told that in Japan the large iris gardens are actually lifted out of
>the ground every other year and the root tips clipped in order ti
>reinvigorate the plant.
>
>Does anyone on the list have any knowledge or experience with this?
>
>Mark on Long Island, NY.
>

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