Question
We trimmed our maple tree last year and now we have sap dripping all over our deck. Is there anything that I can use to stop the sap from dripping??

Answer
If the sap is dropping from the pruned stubs or wounds this is normal fro maples for the first year after pruning. IF the sap is sticky and not dropping from the wounds it is more than likely an insect called aphids that suck the plant juices and secrete a substance called honeydew. This is sticky due to the high content of sugar. Control the aphids and the sap will stop. Treat the trees with aphids with an insecticide called Bayer Advanced Tree and Shrub Insect control. This is applies to the soil around the tree and the roots transport it to he foliage and when the insects suck the juice they are killed. Check with your local nursery for this product. Here is a web link to information on this product.

http://www.bayeradvanced.com/product/Tree-Shrub-Insect-Control/concentrate.html