The Organic Approach to Plant Health Care
All DIEHARD™ plant, soil amendment products contain CORE ingredients: Mycorrhiza fungus, Trichoderma fungi, beneficial bacteria, bio-stimulants of humic acid, sea kelp and yucca; and many contain a horticultural gel for water and nutrient uptake and management.
We offer solution driven products for the landscape, arbor, nursery and agricultural markets; backed with over 20 years of experience to produce the latest advancements in biological products to make your job easier and less costly.
