Re: CULT: question - frost heave

The big problem is how many freeze / thaw cycles happens over the winter. Each one brings the iris further out of the ground. Here well rooted iris planted in early July can frost heave with enough cycles, I try to plant before September 1. I replant till squirrel dug ones till the ground freezes. This year they are eating most of the rhizome so it is no use to plant them back.

Mike Greenfield
Zone 5b
SW Ohio
Region 6
http://home.cinci.rr.com/irisinohio/
----- Original Message ----- From: "Dana Brown" <danabrown@peoplepc.com>
To: <iris@hort.net>
Sent: Tuesday, September 27, 2005 4:38 PM
Subject: RE: [iris] CULT: question - frost heave


Just out of curiosity, would it make a difference how long between your first freeze
and the ground being frozen? We traditionally have our first freeze Halloween
weekend but I bet the ground doesn't actually freeze until late December or
January.

Just wondering?

Dana
>>From: Linda Mann <lmann@volfirst.net>

Reply-To: iris@hort.net
To: iris- talk <iris@hort.net>
Subject: [iris] CULT: question - frost heave
Date: Tue, 27 Sep 2005 14:46:41 -0400

For those of you who garden in areas where frost heave of newly planted
rhizomes is a problem,

how late before the ground freezes can you usually safely plant?  Six
weeks?

Back when the winters were colder here, the ground wouldn't usually
freeze until around Christmas.  Sometimes earlier.  Not at all last
winter.

--
Linda Mann east Tennessee USA zone 7/8
East Tennessee Iris Society <http://www.korrnet.org/etis>
American Iris Society web site <http://www.irises.org>
talk archives: <http://www.hort.net/lists/iris-talk/>
photos archives: <http://www.hort.net/lists/iris-photos/>
online R&I <http://www.irisregister.com>

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Dana Brown
AIS Region 17 RVP
Director ASI, TBIS
AIS, ASI, MIS, RIS, SPIS, TBIS
Malevil Iris Gardens
www.malevil-iris.com
Lubbock, TX
Zone 7 USDA, Zone 10 Sunset
danabrown@peoplepc.com



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