Fruits and Vegetables

Why do trees go dormant during winter?

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Wiki User
2011-09-13 14:04:58

From the tree's perspective, it's to protect it from freezing

and breaking. It redirects it's water and nutrients into the roots

so that they are protected from the cold and available in the

spring. It also reduces the water in the trunk and branches so that

when the freeze does occur the water doesn't expand in the wood and

burst the cells and break the branches.

From our perspective it's because of a combination of shorter

daylight hours and colder temperatures. The plants somehow sense

this occurring and make the necessary preperations for the above

mentioned freeze.

Even evergreens go through a (mostly) dormant period where

growth will cease and only enough nutrients to maitain the tree

will be sent upwards.

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