That might save you the trouble of insecticidal soap, which the plants don't like much either.

Add the insecticidal soap, following the package directions if it is concentrated.

Give the plants a thorough rinse and let them rest a few days, then try an insecticidal soap.

We sprayed several times with insecticidal soap, then moved on to a chemical poison.

If you see them, treat promptly with insecticidal soap.

Usually insecticidal soaps are used as a 2% solution.

The plant can also be isolated and sprayed with insecticidal soap.

Or if all else fails, the insecticidal soaps can be used.

If you prefer, crawlers and adults can be killed with insecticidal soap.

At this time of year either the light summer oil or insecticidal soap can be applied.