abscisic acid
They are never awake or asleep in the same way as animals. Many trees become dormant during winter.
The trees do not die, they become dormant. They will regrow leaves and bloom in the Spring.
The leaves can not survive the cold. They would freeze. The trees become dormant and can survive the winter.
the process in which trees remain dormant and shed their leaves is known as hibernation when the trees are motion less. An example of such tree is the maple tree mostly found in Canada
Such trees are Deciduous.
Dormant
Dormant oil is used in orchards a lot of the time. It is made of refined petroleum and designed specially for orchard trees.
deciduous trees remain dormant in the winter
Bare trees become green again through a process called leaf-out. As the weather warms and days get longer, trees activate their dormant buds. These buds then sprout new leaves, allowing the tree to photosynthesize and produce chlorophyll, which gives them their green color.
Because trees like long or big trees become resistance to the water and stops most of the flood or all of it
because they go dormant or go to sleep
Trees are dormant in Winter and do not have enough energy to make the buds