HTG Supply Beltsville

Hours of Operation
Mon-Fri: 11:00am-7:00pm
Saturday: 10:00am-4:00pm
Sunday: 10:00am-6:00pm

Phone: (240) 965-1733

HTG Supply Beltsville
11602 Baltimore Ave
Beltsville, MD 20705

HTG Supply Hydroponics & Grow Lights – D.C.’s #1 Hydro Shop!

HTG Supply Hydroponics & Grow Lights in Beltsville, MD is the premier indoor gardening and hydroponics store in the D.C. and Baltimore metro areas. Whether you’re a new grower getting started on a budget or an advanced green-thumb looking for state of the art indoor garden equipment, HTG Supply located at 11602 Baltimore Ave, Beltsville, MD 20705 has what you need. We have the best selection of hydroponics systems & supplies, growing light systems, grow tent models and all of the other indoor growing essentials, and the best prices on supplies from top manufacturers like Hydrofarm, AgroMax, Advanced Nutrients & many others. Plus, sign up for our loyalty program and earn points on everything you buy for even more savings! On top of our huge inventory and great prices, our staff has real experience in the growing industry and the know-how to help you get what you need. Debating whether you should go with LED grow lights or HPS grow lights? Trying to decide if Fox Farm or Advanced Nutrients would be best for your plants? No problem – our associates will listen to your needs and assist you in finding the equipment and supplies that will help you get the best yields out of your specific garden setup. For unbeatable prices on thousands of specialty indoor growing, and a knowledgeable crew that is committed to your garden’s success, stop by HTG Supply in Beltsville, MD – the place to save dough if you grow!

Check out our virtual tour through google inside to browse before you stop, and read on below for more about our brands and products!


We carry hydroponics systems for any project size or budget as well as a full complement of hydroponics supplies and DIY hydroponic components: Ebb & Flow Systems • Deep Water Culture (DWC) Systems • Aeroponic Systems • Drip Systems • NFT Systems • Cloning Systems & Supplies • Hundreds of Premium Hydroponic Nutrients from Heavy 16, CANNA, Advanced Nutrients, Fox Farm, GH & more • Hydro Grow Mediums like Rockwool, Coco Coir & Hydroton • Reverse Osmosis & Water Treatment Systems • pH Meters • TDS Meters • Hydroponic Trays & Reservoirs • Reservoir Heaters • Reservoir Chillers • Tubing · Fittings • Valves • Pumps & Tools

Grow Lights

HTG Supply Beltsville covers the full spectrum of grow lights with big savings on light packages, and the best prices around on grow light parts and supplies. Our inventory is constantly updated with the latest and best grow light technology: LED Grow Lights • Ceramic Metal Halide / LEC Grow Lights • MH Grow Lights & HPS Grow Lights in 150w, 250w, 400w, 600w, and 1000w models • T5 Grow Lights • Induction Grow Lights • Reflectors • Air Cooled Hoods • Specialty T5HO Bulbs • Premium MH & HPS Grow Light Bulbs from Hortilux, AgroMax, SunMaster & more • LED Bulbs • Timers Hangers & Accessories

All the Indoor Garden Supplies You Need

HTG Supply is more than just a hydro shop, we are an indoor gardening megastore with a huge inventory of supplies for all types of indoor growing applications – hydroponic or organic soil growing – grow tent or grow room setups – personal or commercial grows – whatever you need, we have it at HTG Supply in Beltsville: Grow Tents • Complete Grow Tent Packages • Dry Nets • Reflective Mylar & Panda • Organic Soil & Nutrients • Grow Room Ventilation Fans & Supplies • Carbon Air Filter Systems • Supplemental CO2 Generators, Tanks, and Monitors • Atmosphere Controllers • Grow Bags • Smart Pots • Air Pots • Pest Control & Disease Prevention Supplies • Trimmers • Packaging • Tools & Accessories

HTG Supply Beltsville is your destination for the best deals on all things indoor gardening in the Washington D.C. and Baltimore areas! Browse our site or check us out on social media and Youtube for more on our featured products and brands!

HTG Supply Beltsville is a proud distributor of: Advanced Nutrients, AgroMax, Atami, Aurora Innovations, Bluelab, Botanicare, Can Filters, CANNA, Clonex, CYCO Nutrients, Digital Greenhouse, Doktor Doom, Dyna-Gro, Einstein, Espoma, Exhale, Eye Hortilux, EZ Clone, Fiskars, FoxFarm, GE, General Hydroponics, General Organics, Great White, Grodan, GrowBright, GROZONE, Hanna Instruments, Heavy 16, High Yield Lighting, Hormex, House & Garden, HTGSupply, Hydrofarm, Hygrozyme, Light Rail, Olivia’s, Ona, Organic Rescue Mist, Osram, Phat Sacks, Physan 20, Pro-Mix, PURE, Rhizoflora, Rock Nutrients, Roots Organic, Serenade, SunMaster, Superthrive, Technaflora, The Guano Company, and many other fine brands!