Gum Ball Tree Sap Stop Running

Question

Have a gumball tree hanging over my driveway. Cannot park car there because of falling sap. When does gum ball tree sap stop running?

Answer 1

Taken from similar question on another forum: "...is a certified arborist for The Ohio State University- Agricultural Technical Institute (OSU-ATI) and a member of the International Society of Arboriculture , so I posed your question to him. Sweet Gum trees "do not weep sap." However, without seeing your tree, he would have to make an educated guess and say that any type of "sap" that falls onto a car would actually be the result of an insect problem. Aphids leave "honeydew" behind - a clear, sticky mess on leaves and cars. They DO like sweet gum trees!

Here's a good site about aphids:
http://ohioline.osu.edu/hyg-fact/2000/pdf/2031.pdf ..." Hope this helps.