Becouse of its strong dipole and hydrgen bonds. Water has a property of cohesion and adhesion so it sticks to itself yet climbs the tree using adhesion. Although, in the lab water cannot be replicated to climb as high as trees such as redwoods and even smaller trees like pines. The most it can climb in lab is 23ft. It is still a mystery.
The narrower the bore of the tube ,the greater is the capillary action. For example :A sponge retains water (on being dipped in water)is due to capillary action.
The capillary fringe
The adhesive force of wetting liquids specially water is responsible for capillary action, the capillary action is not possible for Mercury.
Capillary action will pull water up the stem to the flower and into the petals.
Water uses capillary action to "climb" up plant vessels through cohesion and adhesion, which allows the water to be transported throughout the plant.
Capillary action is not sufficient to lift water against gravity after certain height .
Adhesion due to the polarity of the water molecule.
Cohesion force among the molecules of water allows for capillary action in plants.
Water is transferred from the roots to the leaves through the stem by capillary action.
Capillary action forces water upward. So it takes the water from underground causing it to affect the movement of water under ground
Capillary action can refer to the movement of water and fluids vertically and throughout the structure of a plant. An example is: "Water movement can be transported upwards in a plant against the force of gravity because of capillary action."
Surface tension is related to the cohesive properties of water. Capillary action however, is related to the adhesive properties of water. You can see capillary action 'in action' by placing a straw into a glass of water. The water 'climbs' up the straw. What is happening is that the water molecules are attracted to the straw molecules. When one water molecule moves closer to a the straw molecules the other water molecules (which are cohesively attracted to that water molecule) also move up into the straw. Capillary action is limited by gravity and the size of the straw. The thinner the straw or tube the higher up capillary action will pull the water.