Re: OT: weather
- Subject: Re: OT: weather
- From: J* a* C* W*
- Date: Sat, 13 Mar 1999 08:23:00 -0700
From: "Jeff and Carolyn Walters" <jcwalters@bridgernet.com>
> From: "Donald Eaves" <donald@eastland.net>
>
> Hello folks,
>
> Well, after a loooong spell of warm weather there is lots of lush
> healthy growth on the irises, a couple with buds out of the fans
> and more with buds apparent in the fans. Now, as expected the
> temps are currently predicted to drop to lows of 27 tonight and
> tomorrow before warming up. C'est la vie! At least in these parts.
> For the first time ever I'm going to try to cover some, but wonder
> if I'll be able to anchor anything down since it is also predicted
> to be windy.
Donald,
There are lots of factors that affect frost sensitivity, such as stage of
development of the buds and stalks, duration of the low temperatures, etc.,
but from my experience I would not consider 27 degrees too terribly
threatening - it seems the real damage has occurred here when the
temperature drops to the range of 22 or 20 or below after the stalks have
begun to grow. Also, if it is going to be windy, wouldn't that mitigate any
danger of frost damage? Isn't that why citrus growers put those big fans in
their groves on cold nights? My conclusion has been that I have caused more
harm than good trying to provide emergency frost protection to my irises
after the stalks have begun to emerge.
Jeff Walters in northern Utah (USDA Zone 4/5, Sunset Zone 2)
jcwalters@bridgernet.com
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