There is not a specific temperature requirement for applying Tandem Insecticide except that temperatures should be above freezing to avoid damaging your spray equipment. It an be applied anytime insects are active and present.
Tandem Insecticide can be applied at 0.55-1.1 fl oz per gallon of water.
Tandem Insecticide should not be applied to any edible vegetation. Please let us know what you are treating so we can offer a product recommendation.
The shelf life of Tandem Insecticide is 3-5 years. Be sure to keep it in a cool, dry area so that it does not freeze or become too hot to preserve the product.