Spittlebugs on Lavender
I am on Long Beach, Ca and have planted a drought tollerant front yard going The Russian sage has a significant amount of browning branches and I have completely lost one lavender. The rest of the lavendar have varying amount of damages. I would like to know what to do to minimize the damage going forward. For the past few weeks I have gone out and trimmed off the branshes with the spit-like substance and by the following week there are at least 25-50 on each plant. For the last two weeks I have been spraying a combination of water, oil and soap on the "spit" and have not noticed much of a difference. I would like to limit the use of chemicals that will kill off all insects, but I am kind of at a loss right now.