Sometimes Bubbles Can Be Useful
Q: What is this stuff on my Leyland cypress? It looks like someone spit all over it.
A: Have you ever blown through a straw into a glass or carton of milk? Remember the great bubbles that resulted? Your mother or teacher came by to tell you to stop being a nuisance. But sometimes bubbles can be useful.
In your case, several spittlebugs hatched from eggs deposited last year on your Leyland cypress. Each one chose a good spot to begin sucking sap from your tree. But their soft bodies had no protection from enemies, so they began blowing air into the sap they were sucking. The bubbles were enough to cover them and protect them from predators like spiders, yellow jackets, and other wasps. They don’t really pose a problem to your Leyland cypress. You can wash them off with a strong stream of water from your hose
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