Tag Archives: nursery


OHP Fortress herbicide – Now registered in California!

OHP, Inc. is pleased to announce the California state registration of Fortress® Ornamental Herbicide. Fortress is now available for sale through authorized OHP distributors in California as well as in other states. Fortress is a unique combination of the active ingredients isoxaben and dithiopyr formulated on a user-friendly engineered granule that provides virtually no dust  Continue Reading »



OHP Pedestal Insecticide – New changes!

There are some key changes upcoming with OHP’s Pedestal® Insecticide, an effective insect growth regulator against Thrips and other pests. Effective immediately, any new Pedestal produced and purchased will have a new EPA registration number, new product code, and be packaged in OHP packaging. State registrations for the current Pedestal will be maintained for the  Continue Reading »



OHP adds Kalmor Fungicide/Bactericide to its biosolutions

OHP is pleased to announce the addition of Kalmor® Fungicide/Bactericide to its line of quality biosolutions™ for ornamental growers. Available through authorized OHP distributors, Kalmor is an OMRI-listed, copper hydroxide-based fungicide that is labelled for use on a range of vegetables and herbs grown in greenhouses, shadehouses, and nurseries, for control of many problematic fungal  Continue Reading »