Spray with an insecticidal oil...it will suffocate the insects inside the webs.
My Hydrangea Has White Sticky Blobs On It, What Are They? THEY LOOK A BIT LIKE MAGGOTS AND HAVE A BLACK SPOT AT THE TOP
HELP: My Hydrangea Has also got White Sticky Blobs On It, What Are They? THEY LOOK A BIT LIKE MAGGOTS AND HAVE A BLACK SPOT AT THE TOP can anyone advise us what to do.