We partner with the most trusted manufacturers in horticulture to bring professional-grade reliability straight to your garden.
The cornerstones of successful cultivation. We stock deep inventory of these top-tier manufacturers.
The global gold standard in horticulture lighting. Explore high-efficiency LED and traditional HPS fixtures engineered for maximum canopy penetration, uniform light spread, and unbeatable yield density.
Source Gavita Gear →Clean, perfectly balanced, and highly soluble. Athena's Pro and Blended lines are engineered specifically for large-scale facilities and dedicated hobbyists aiming for absolute consistency and massive resin production.
Explore Athena Lines →Cultivate incredible plants with FoxFarm's world-renowned craft soils like Ocean Forest and Happy Frog. Pair their media with their potent liquid nutrient trios for a dynamic, living soil ecosystem.
Source FoxFarm Media →The foundations of your feed schedule and root zone.
The industry pioneer. GH's Flora Series has been the trusted, versatile foundation for both hydroponic and soil growers for decades. Reliable, highly adjustable, and proven.
Stock General Hydroponics →Award-winning formulations straight from the Netherlands. Canna delivers scientifically backed, easy-to-use nutrients and arguably the highest quality Coco coir available on the market.
Source Canna Nutrients →Famed for innovative plant supplements like Cal-Mag Plus and Hydroguard, Botanicare also manufactures premium hydroponic flood trays built to withstand heavy, continuous commercial use.
Explore Botanicare →The ultimate rooting compound. Clonex gels and dedicated nutrient solutions guarantee explosive root growth, ensuring a near 100% success rate while protecting your most valuable genetics.
Procure Clonex →Control your environment. Measure your success.
Unmatched moisture removal. Quest's commercial-grade, overhead dehumidifiers protect your crop from powdery mildew and optimize your Vapor Pressure Deficit (VPD) at any scale.
Integrate Quest →Next-generation climate control. Integrate smart inline fans, heavy-duty carbon filters, and advanced digital controllers that keep your tent or room dialed in silently and efficiently.
Source AC Infinity →Don't guess, measure. Bluelab's industry-leading pH, conductivity (EC), and temperature pens ensure your reservoir is perfectly balanced, giving your plants exactly what they need.
Source Bluelab Gear →Know what you need to scale your canopy? Send us your provision list. We will pull your items from our warehouse and have everything ready for pickup at our Frederick location.
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United Grow Supply