A pesticide dispensing apparatus including a canister for containing a quantity of fluid pesticide and pressurized air. The apparatus includes a spray dispenser in fluid communication with the interior cavity of the canister. The spray dispenser includes a wand coupled to a hose. The apparatus includes a pressure cap selectably air-tight sealable over the canister. The pressure cap includes a body and a pressure release valve extending bottom-to-top through the body. The pressure cap includes a pressurized air inlet valve extending top-to-bottom through the body.