Let’s Get Growing with Julie: Assessing Freeze Damaged Citrus
By Julie McConnell, UF/IFAS Extension Five months ago, we experienced severe cold weather for three days which impacted landscapes across the panhandle. Since prolonged deep freezes are not common in our area we were unable to predict how plants would fare long term. As we progress into spring, it’s a good time to start assessing landscape plants and make decisions about what to keep and what to replace. The plants we have received the most inquiries about at my office are citrus trees. Unfortunately, this category of beloved plants is difficult to protect and suffered dearly. The recommendation up to now has been to be patient and give them time to recover, but when should you stop waiting and what signs should you look for? New Growth Obvious signs to look for are new leaves and stems, but the long-awaited appearance of green may not indicate recovery. Below are some guidelines you can use to interpret spring flushes. Leaves and stems emerging in the canopy are a good sign if it expands fully and hardens off. This is a good sign of recovery because it indicates the trunk and woody branches are still alive. Ensure the tree has adequate water if rainfall is insufficient and if you fertilize do so sparingly. New foliage in the canopy that dies before it fully expands indicates that the wood it was growing from was significantly injured. The failed regrowth is a secondary symptom of the initial freeze damage. Does that mean the...
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