It can take anywhere from a couple of hours to a day or so for the insect to die. 22 of 32 people found this answer helpful.Click to see full answer. Furthermore, how does the Ortho Home Defense work?Whether you have ants, spiders, roaches, or other home-invading insects, you can count on Ortho to keep them out. Simply plug in the Comfort Wand, and with one touch, you can eliminate and protect against pests. how often should I use Ortho Home Defense? Answer: Per the product Label , the Ortho Home Defense MAX Insect Killer Indoor & Perimeter with Comfort Wand can be applied as needed. However retrement is recommeded at least once per season outdoors. Moreover, is Ortho Home Defense effective? Effective on roaches and other small bugs (when the wand will work) I find dead roaches and other small bugs but have not found it effective on ants inside or outside the house.Can you use Ortho Home Defense on plants?I thought Ortho home defence for lawn and landscape was used to make a barrier around the foundation of your house to keep the creepie crawlies, like ants, from coming inside. But, reading the product label, it says you can spray it on your trees and plants and it will kill over 200 types of insects, including bees.
