after the sun passes and the plants are cooled off mix 1 teasp liquid non-alcohol soap w 1 qt water and spray...............and around the plants under the leaves....same with the broccoli.................when you take the broccoli off..............I did mine near the porch............big container of iced water and 1 /2 cup salt..on an outside bench...........these tiny black bugs were racing out...............kept dunking it up and down...turned it over............dunked it again...............changed the water...iced it again and finally got the salt out......