First of all, he explains that evergreens will have problems if you don't water them late enough into the season. He introduces Ken Mayer who compares two types of evergreens. He shows a tree which has lost its coloration and explains that that tree lost water over the winter. Its roots have been frozen and if the roots are frozen the water cannot circulate where it is needed. When the spring comes, the plant will need water and it will not be able to be supplied with it. It then gives tips on how to cope with this.
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