I've lived in an apartment with a very large pine tree (I'm guessing 30 years old or more) above my parking space for 10 years. Sap has always been an issue but only the last 2 years I've had a problem with pine cones falling on my car. One put a crack in my windshield. Why is it only a recent problem and do pine trees have a pine cone producing spurt that I can hope will be over soon? I live California under drought conditions.Will this cause the tree to produce more pine cones?
Certified GKH Gardening Expert
Conifers produce different amounts of cones each year.
As the tree ages it will generally have years of larger amounts of cones produced.
Research does suggest that stressed trees will produce more cones.