Published on Jan 11, 2020

Palm Background Images

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A cold hardy palm tree is determined by many factors, three of which are discussed in this article: The way the palm acclimates or responds to the cold weather. The mid-winter hardiness of the palm. And lastly, the way the palm de-acclimates when the weather starts to warm up. The acclimation process is activated as the temperature starts to decrease. These environmental changes trigger physiological and biochemical changes in the palm tree that result in greater cold tolerance. After the acclimation process the palm tree will be in a stage of mid-winter hardiness, where it has reached its maximum hardiness level with out injury. Lastly the De-acclimation process is exactly the opposite of the acclimating process. It refers to the response to warming temperatures in late winter and early spring.

The solution to the success of a cold hardy palm or tropical palm relies on many factors, some of which are: the overall health of the palm tree, the maturity, when it was transplanted, how long has it been stationary, the environment in which it has been grown in, and the species of palm.

Overall Health

The overall health of palm trees plays an important role on how well the palm will survive. A much healthier palm is proven to survive with minimal damages to the fronds and trunk. Making sure the palm has adequate nutrients in the soil is key for the well being of the palm. Studies show that adding fertilizer and other nutrients during winter will have no affect on the survival of the palm tree. When the palm tree starts the acclimation phase, it will start to enter a phase of hibernation. Biochemical changes occur, photosynthesis process decreases, therefore, less sunlight is needed and less nutrients is required. The palm tree stops absorbing nutrients and stores the nutrients it previously absorbed in late summer, early fall. Thus, making it very important to keep a healthy palm tree, all year round. However, there are preventative measures that may ensure the survival of your cold hardy or tropical palm; please refer to our winter protection article.

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One solution is to fertilize your palm in mid-summer. This will to help the palm tree during the de-acclimation phase as well as during winter months. This will give the palm tree ample time to gather the nutrients provided and boost their health as winter arrives and will also provide the nutrients it will need to start its growth when spring comes.

The Maturity of The Palm

The maturity of the palm is also another key factor in determining the survival of the palm. When an immature palm tree is introduced to cold weather the chances of survival with out damage is much less of that of a mature palm tree. A mature palm will have extra leaves to give off heat to protect the inner bud or the new arising spear. This spear is more or less the life line of any palm tree.

A mature palms will also have more of an extensive root system which will allow the palm tree to recover faster by absorbing the water and other nutrients needed when damaged. As for an immature root system, the roots may freeze or may not tolerate cold weather and start to rot or decay.

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