Use the power of Neem. NeemMax is an organic plant-based, botanical product that contains the full spectrum of bioactive compounds that stops the insect lifecycle. This 4-in-1 product is a fungicide, insecticide, miticide and nematicide. Apply as a spray or as a drench to protect your plants from insects and diseases. Active ingredient: Clarified hydrophobic extract of neem oil. 32 fl oz.