All of them I trimmed last fall shortly after moving in.One of them has been and continues to drip a lot of sap. Scrub clean with a soft brush, rinse, then allow to dry. they were pruned heavily last year which I think makes them vulnerable to pests both insect and bacterial. thanks but i couldn't find a way to post on gardenweb :( or they don't make it easy anyways.. @jenna It does not have any sap from snaps or cuts. I'd keep the big broadleaf tree in the third pic. Mesquite sap was used to treat diarrhea. If this is the case it is probably a good idea to remove one the branches. I'd like to share a pic but can't seem to add it here.Thx! I went to one of the large box stores to ask about it and the guy told me to immediately call an arborist to come out and deal with the really bad bugs that he swore were going to kill my trees. Leather or Hair- peanut butter Allow the product time to do its job. Both processes take time. Mesquites (and most other trees) will put out sap in order to seal off wounds (like if you cut a branch off). I thin them out because they were many together. Denser than other hardwoods and sporting beautiful coloration, mesquite makes a fine material for flooring, countertops, furniture and more, Learn to recognize trees that may be affected by diseases or pests so you can quickly take action, These butterflies feed at tree-sap flows in spring and visit native plant flowers for nectar in early summer, Ripe for some citrus fertilizer know-how? They also tend to sap up when they're breaking dormancy and going into their growing season. Repairs can be expensive and mismatched shingles installed at various times, can destroy the curb appeal of a residence. If you see sap dripping from small holes in the pine tree’s truck the pine tree will most likely be suffering from borer activity. Using a pair of sharp gardening shears, cut off any small branches that are dripping sap. Don't use sealants on the pruning wounds. A tree with damaged tissue actually emits chemical signals that attract pests, like borers. Too… Q. Yellowing Mesquite Tree - I have a mature Mesquite tree in Phoenix. The "gum" they are exuding will dry to a clear, crystalline mass that smells wonderful when you burn it. This disease should not be confused with the propensity that mesquite trees have for bleeding sap when large limbs are pruned. You are correct that heavy pruning will weaken a trees' defense mechanisms, making them more vulnerable to pests and diseases. If they are 30 years old, they don't need supplemental watering. The interesting character of the twisting branches and rough bark, the delicate lacey leaves and the plentiful seed pods can substantially enhance the landscape, but at what cost, once the roof is damaged. If the tree is growing at a fast pace, possibly from receiving too much water, the weak areas in the tissues can split (microscopic to several inches in length) and fluids can escape. Automobile- Goo Gone Automotive Spray, the suggestions above will also work. Just leave the wound open to the air and if you have made the cut at the right location, the tree will heal itself. I also notice lots of sand roads from termites. Otherwise all of the trees appear healthy. now I see an adjoining mesquite has dead branches. Help. Or leave it for a thousand or so years so someone can make jewelry out of it >smileI'm glad this thread was revived, I had the exact same question about my mesquite. Conifers can be a plus as a border and for green in winter; however sap from them hanging over a driveway is a cuss and, while great for wildlife, they usually provide little shade.

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