RE: Iris question
- To:
- Subject: RE: Iris question
- From: M* D*
- Date: Fri, 24 Sep 1999 08:46:51 -0700
- Importance: Normal
Mark, In my experience, the Siberians definitely benefit from being divided
every 3 years or so. The tall bearded Iris are notorious for pooping out if
they are not divided and the largest rhizomes thrown away. I have not heard
of clipping root tips as you describe. It sounds like a lot of work.
Marilyn Dube'
Natural Design Plants
Hardy Perennials, Choice Tropicals
Portland, OR Zone 8b
-----Original Message-----
From: owner-perennials@mallorn.com [owner-perennials@mallorn.com] On
Behalf Of markmos@banet.net
Sent: Friday, September 24, 1999 6:44 AM
To: perennials@mallorn.com
Subject: Iris question
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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