Most trees produce sap, and pine is no exception. Pine trees are coniferous trees that have long needles. These resilient trees often live and thrive at elevations and in climates where other tree species cannot. Read on for more information about pine trees and sap.
Pine Trees and Sap
Sap is essential to a tree. Roots take up water and nutrients, and these need to be spread throughout the tree. Sap is a viscous liquid that carries nutrients throughout the tree to the areas where they are most needed. Tree leaves produce simple sugars that must get transported through the tree’s fibers. Sap also is the means of transportation for these sugars. Although many think of sap as a tree’s blood, it circulates through the tree much slower than blood circulates through the body. Sap is mostly made up of water, but the sugar compounds it carries make it rich and thick – and prevents freezing in cold weather. As to the sap in pines, there really is no pine tree sap season. Pine trees produce sap all year long but, during the winter, some of the sap leaves the branches and trunk.
Pine Tree Sap Uses
Pine tree sap is used by the tree to transport nutrients. Pine tree sap uses include glue, candles, and fire starting. Pine sap is also used for making turpentine, a flammable substance used for coating objects. If you use a knife to harvest sap, you’ll find that pine tree sap removal is not always easy. One way to attack pine tree sap removal from your knife is to soak a rag in Everclear (190 proof) and use it to wipe the blade. Find other tips for removing sap here.
Excessive Pine Tree Sap
Healthy pine trees drip a little sap, and it should not be a cause for concern if the bark looks healthy. However, sap loss can damage the tree. Excessive pine tree sap loss results from injuries like broken branches in a storm, or accidental cuts made by weed whackers. It can also result from borer insects who dig holes in the tree. If the sap is dripping from multiple holes in the trunk, it is likely borers. Talk with a county extension service office to find the right treatment. Excessive sap can also result from cankers, dead spots on your pine caused by fungi growing under the bark. Cankers can be sunken areas or cracks. There are no chemical treatments to control canker, but you can help the tree by pruning out affected branches if you catch it early.
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Teo Spengler has been gardening for 30 years. She is a docent at the San Francisco Botanical Garden. Her passion is trees, 250 of which she has planted on her land in France.
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