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La Squared
Southwest LA
Member since Feb 2012
283 posts

Freeze prep for young fruit trees
Have a satsuma that is about 1 year old and a fig that’s 2-3. I bought some frost wrap as well as 2 heat lamps. In the past we’ve wrapped with blankets w/plastic over that or put a trash can over them but lost one satsuma (think we left it wrapped too long) and the fig nearly died last year after being covered with the trash can (limbs died but had some new shoots come up). Will the frost wrap & heat lamp be enough? Also, how do I set up the heat lamp to shield it from the elements? Not supposed to have rain Monday night so I should be ok this go around but thinking more so about the future.


MikeD
LSU Fan
Baton Rouge
Member since Jan 2004
4470 posts

re: Freeze prep for young fruit trees
How cold and how long are your forecast to be below freezing? This freeze coming shouldn’t be too bad in Baton Rouge. Maybe cover but definitely don’t need a heat light as we are only below freezing 4 hours or so.


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2696 posts
 Online 

re: Freeze prep for young fruit trees
You in SW LA?

Fig will be fine.

A 1 year Satsuma should also be fine for temp in the low 30s and high 20’s, but wrap it and use heat lamps if you want. Main thing to remember when covering a plant that the cover must be in complete contact with the ground as it is the radiant heat from the ground that is trapped underneath the cover.

Excerpt from an article on protecting citrus from cold by Dan Gill, consumer horticulturist (retired), LSU AgCenter

“Satsumas, for example, do not need protection until the temperatures approach 20 degrees F. Lemons, limes, and oranges generally need to be protected when the temperature dips below 26 degrees F. However, theses trees may be killed or damaged at these temperatures if they are not sufficiently hardened with enough pre-conditioning cold temperatures to halt their growth.

The length of time citrus trees are exposed to sub-freezing temperatures is also significant. Exposure to sub-freezing temperatures for more than 24 to 36 hours can be devastating. But, if the temperatures moderate to above freezing prior to this time, damage is usually light.”

(Sorry, I’d link the entire article if I could but it was sent to me as a PDF and is not posted on the internet but other similar articles should be).
This post was edited on 11/30 at 4:27 pm


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La Squared
Southwest LA
Member since Feb 2012
283 posts

re: Freeze prep for young fruit trees
North of Lake Charles. Looks like 5-6 hours.


BayouBengal51
LSU Fan
Forest Hill, Louisiana
Member since Nov 2006
5304 posts

re: Freeze prep for young fruit trees
Buy some old school incandescent Christmas lights and wrap them around the trunk and then cover with with a tarp and make sure it is pinned to the ground. This is what I've done in the past with great success.

The old school Christmas tree lights give off enough heat that the tree stays warm enough. Remove the covering in the morning after temps come above 26 Degrees.


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