Niban Granular Bait - 4 lb. Shaker Spiders Hyvar X works best when

Hyvar X works best when it's applied to moist soil and has ample water within two weeks of the initial application

a synthetic version of pyrethrin

thistle and pigweed when you apply it as directed

It's compatible for use with various pesticides and also improves the spray coverage of plant growth regulators

Centipedes

Niban Granular Bait - 4 lb. Shaker Spiders Hyvar X works best whenHow Niban Granular Bait Works Niban granular bait contains boric acid, a highly fatal poison to various insect pests. It's considered safe to humans and pets when used as directed and controls everything from carpenter ants to slugs. Boric acid works upon ingestion and blocks the pests' enzyme production, leading to starvation and death. The insects can't develop a resistance to the ingredient, making it ideal for use on hard to control insects like