RE: Cult-Freeze Damage
- Subject: RE: Cult-Freeze Damage
- From: i*@netscape.net
- Date: Mon, 15 Apr 2002 09:59:29 -0400
In the fall with rebloom I have noticed that hard frost will shut down the TBs but the SDB will put up further stalks and flowers if there is no more hard frost for a week or so.
Iris rhizomes left lying out on the ground, on the surface of the soil, will not be damaged by winter weather, regardless of the temperature or snow cover etc. I have often joked that perhaps the best way to move iris is to place them on top of the ground where you want them, leave them unplanted, and in spring plant them when the weather warms up. Who knows, perhaps it would work ;-)
It would seem that it's the amount of soft growth that is present when cold weather comes that determines survival. The gradual onset of winter allows the plant to go into dormency whereas sunden change of weather catches the plant by surprize and does damage. The amount of growth hormone present also would seem to play a role re amount & degree of damage.
--
Chuck Chapman, Guelph, Ontario, Canada. Zone 4/5
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