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RE: Regarding "frost warning" help

Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

Orange growers in Florida have been known to encase their trees in ice
to prevent frost damage.  I can only imagine that they know what they
are doing.  Do any list members live know any more about this practice?
It seems like the same idea to me.

Diane Streine
New York's Hudson Valley 
Zone 6

-----Original Message-----
From: Towey, Brian [c*@glaxowellcome.com]
Sent: Wednesday, June 16, 1999 5:04 PM
To: sqft@listbot.com
Subject: RE: Regarding "frost warning" help


Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

> Regarding a suggestion that was given to Lisa:
> Getting up early (b4 the sun rises in my area) to water spray my
garden in

> order to prevent possible frost warning damage is something I will 
> definitely try NOW & in the fall. It sounds like the easiest possible
way 
>for me (& clever!), but I'm inquisitive----how does this process
prevent
the 
>damage?

As far as I can tell, this spraying-water business is based on the
mistaken
idea that ice cannot get colder than 32 degrees F.  Ice, of course, can
get
as cold as its surroundings, all the way down to absolute zero in places
like Ottawa <grin>.

If somebody has a good reason why frozen fog is more damaging than
frozen
tap water at the same temperature, I'd love to hear it.  Of course, if
the
water is warm and it warms up the plants so that they don't freeze at
all,
that would be different.  But, I have known people to encase their poor
plants in solid ice cubes trying to prevent freeze damage.  As far as I
know, it doesn't work.

-BT


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