Premium Gear For Serious Growers.

Maryland's premier local supplier for high-yield hydroponics, indoor gardening equipment, and organic amendments.

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Professional-Grade Inventory

We stock heavy-duty commercial equipment and specialized nutrient lines that massive online retailers and big-box stores simply don't carry.

Immediate Availability

Skip the shipping delays and freight damage on heavy soil and fragile glass. Walk in, grab it, and get back to your grow.

Truck Loading Assistance

Buying 20 bags of soil? Pull your truck around back to our loading dock and our staff will load everything up for you.

Our In-Store Provisions

We keep the industry's top gear in stock so you can build, maintain, and harvest without waiting.

01

Climate Control

  • Commercial Dehumidifiers
  • Humidifiers & Foggers
  • Inline Fans & Carbon Filters
  • AC Units & Heaters
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02

Lighting Systems

  • Full-Spectrum LED Fixtures
  • HID (HPS & MH) Lighting
  • Replacement Bulbs & Ballasts
  • Light Controllers & Timers
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03

Seeds & Genetics

  • Premium Seed Banks
  • Cloning Gels & Solutions
  • Propagation Trays & Domes
  • Seedling Heat Mats
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04

Nutrients & Additives

  • Organic & Synthetic Base Nutrients
  • Bloom Boosters & Cal-Mag
  • Compost Tea Ingredients
  • pH Up/Down Solutions
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05

Soil & Grow Media

  • Premium Potting Soils
  • Coco Coir Blends
  • Rockwool Cubes & Blocks
  • Clay Pebbles & Perlite
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06

Hydro Hardware & Gear

  • Grow Tents & Netting
  • DWC Buckets & Reservoirs
  • Water Pumps & Tubing
  • pH, EC & PAR Meters
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Commercial Cultivation Partners

Scaling up? We provide tailored logistics, heavy discounts, and warehouse build-out consulting for licensed commercial facilities across Maryland.

  • Dedicated Account Managers
  • Pallet Pricing on Soil & Media
  • Direct Freight Delivery Options
Apply for a B2B Account
Commercial indoor grow facility

Local Knowledge. Heavy Hardware.

We're not just a supply warehouse; we are actual growers. Whether you are troubleshooting a nutrient lockout, sizing a dehumidifier for your space, or setting up your first hydro system, our staff is here to make sure you succeed.

No Shipping Fees

On Heavy Soil & Gear

In-Store Support

Real Troubleshooting

Cultivate Success with United Grow.

Skip the freight damage and wait times on bulk soil and heavy gear. Get your list together and we'll prep it for pickup at our W Patrick St. storefront.

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Frederick Storefront

1021 W Patrick St
Frederick, MD 21703

Operating Hours

Mon - Fri: 9am - 7pm
Sat - Sun: 10am - 5pm

Connect Directly

(301) 555-0199
support@unitedgrowsupply.com