Wondercide Natural Flea & Tick Control Concentrate for Yard Garden - 32 oz Flea & tick control formula also effective against mosquitoes, ants, roaches, chiggers, and more. Treat twice at 8oz dilution within 7-10 days to establish control, then every 30-45 days to maintain it. No staining or residue, applied with any applicator, safe for flowers, gardens, bees & ladybugs. 100% biodegradable bio-based alternative to common harsh chemicals (permethrin & pyrethroids). For indoor infestations, use Wondercide Natural Flea & Tick Control for Pets + Home (also sold on Amazon).