Organic Fertilizers

Dry Organic & Natural Mineral Fertilizers

Custom Hydro stocks a full range of dry organic and natural mineral fertilizers for commercial specialty crop, vegetable, and greenhouse production. From OMRI-listed organic inputs to natural mineral sources, our selection supports both certified organic and conventional programs.

Product Categories

• Organic nitrogen sources — feather meal, blood meal, soybean meal
• Organic phosphorus sources — bone meal, rock phosphate
• Organic potassium sources — kelp meal, greensand, sulfate of potash
• Natural mineral fertilizers — gypsum, lime, dolomite
• Slow-release fertilizers for custom media blends
• OMRI-listed inputs for certified organic production

Key Features

• OMRI-listed options for certified organic production
• Slow-release and fast-release options available
• Suitable for soil, raised bed, and container production
• Bulk pricing available — contact us for wholesale quotes

Ideal Applications

• Commercial specialty crop and hemp production
• Vegetable and greenhouse crop production
• Greenhouse and container growing
• Custom soil and media blending