Brown needles pine and spruce in my yard - Ask an Expert
In Pueblo West where I have Alberta Spruce, Black Hills Spruce and many mugo pines I have seen over the summer the needles turn brown. I realized this could be an attack of spider mites so I soaked them all with a solution of insecticidal soap: 2 …
Alder tree bleeding sap? - Ask an Expert
Thank you for your question about the alder tree. I suspect that the tree is infested with aphids, which drop honeydew and then a black, sooty mold begins growing on the droppings. Without being able to see or examine the leaves, where the aphids (and their friends the ants--who protect them and eat the honeydew) live, it's impossible to see if ...
Plum tree having trouble - Ask an Expert
We have an old plum tree that is not doing well. The plums are shriveling up into small black lumps and falling off. The leaves have spots, some have little worm like growths, and some are turning yellow already in the beginning of July. Last year we had a lot of rain here and I contacted you about a fungus look on the leaves and the plums ...
locust tree freeze - Ask an Expert
Be sure to give it appropriate care during this spring until you can make a determination on the overall health of the tree. It will also be important to keep the tree healthy through the summer, fall and winter, making sure the tree has adequate water once it gets into the heat of the summer and on into fall and winter.
diseased oak tree - Ask an Expert
We have an oak tree that has some disease on the trunk. There are lots of ant type bugs coming in and out of the hole in the tree. We live in Ocean Pines. The tree is about 15' from the house and is in the shade. The tree is much taller than our two story home. The ground around the tree is mostly roots, dirt and some weeds. I will upload pictures.
What's wrong with my cherry tree - Ask an Expert
For the second year in a row, my cherry tree blossomed beautifully but now has few leaves and a skimpy crop of cherries. This is an old and, up until now, healthy tree that was grafted many years ago to bear two kinds of cherries: Bing and Royal Ann. I have them sprayed every year, but last year there were worms in the few cherries I harvested.
pruning dogwood tree - Ask an Expert
Yes, you'll want to prune off one of those rubbing branches. If the vertical and main branch are both very important to the tree, and removing them would cause the tree to look bad, you can try placing a branch "spreader" between them to train them apart. (Put 'branch spreader' or 'limb spreader' in a search engine for more info.)
Split Linden tree trunk - Ask an Expert
I have a Linden tree, 25 yrs. old, that is split up to 6.5" from the base of the trunk up about 16-18 feet. Tree was previously healthy last summer. Tree is approximately 35' tall, with in 20' of my home, southwest exposure.
Balsam tree is turning brown - Ask an Expert
Was a vehicle parked close by that emitted fumes that would have singed the tree? Look at the overall area where the tree is located for other clues that could have damaged the tree. You can also send a sample to your local Cooperative Extension System for them to diagnose a brown-going-to-green branch of the tree.
Oak trees losing leaves - Ask an Expert
Borers are usually attracted to stressed or damaged trees, and if you have had alot of heavy equipment moving in the area, especially under the dripline, that could stress your trees. Compaction of the soil caused by heavy equipment can kill trees, but that is usually a slow decline. am not sure what is wrong with your other tree.
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