We are Washington, D.C's premier location for all of your horticultural needs.
Located at 3744 10 St. NE, Washington, D.C. ; 20017
Call us at 202-248-2483.
Open 7 days a week Mon-Fri 11-7pm
Sunday 11-6pm
We are Washington, D.C's premier location for all of your horticultural needs.
Located at 3744 10 St. NE, Washington, D.C. ; 20017
Call us at 202-248-2483.
Open 7 days a week Mon-Fri 11-7pm
Sunday 11-6pm
+ Quick Look
$40.00
SHINE is flowering phase additive. Just add it to your reservoir during reproductive growth, usually...
+ Quick Look
$20.00
TAP/HARD is great for all hydroponic applications such as rock wool and grow stones. Being...
+ Quick Look
$35.99
Amp-It provides an array of micro-nutrients in ratios proven to stimulate growth. Rapidly growing plants and...
+ Quick Look
$43.99
Vegamatrix Big N Sticky PK Boost is formulated for flowering and fruiting crops in high...
+ Quick Look
$26.99
We choose the highest quality plant extracts and naturally occurring minerals available. Vegamatrix Bloom is...
+ Quick Look
$28.99
"Vegamatrix Boost is the perfect Cal-Mag “Boost” for your plants. Boost super charges the NPK...
+ Quick Look
$34.99
CONTAINS THE WORLD’S MOST POWERFUL ALL NATURAL CHELATING AGENTS! "Engineered Veganically for Explosive Growth." Vegamatris...
+ Quick Look
$72.99
IT’S ALL ABOUT BUD GROWTH VEGAMATRIX HARD-N-QUICK "Creates thick hard stems and branches with shorter internodal...
+ Quick Look
$43.99
Vegamatrix Prime Zyme is crucial to maximizing the potential of the Rhizosphere (root zone). Prime...
+ Quick Look
$197.60
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you...
+ Quick Look
$23.41
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you...
+ Quick Look
$374.99
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you...
+ Quick Look
$3,856.99
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you...
+ Quick Look
$83.20
Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you...
+ Quick Look
$102.00
This powdered molasses alternative is easy to use, 100% soluble, all natural and GMO-free. VermiBrix has all...
+ Quick Look
$18.84
Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud...
+ Quick Look
$192.68
Mycorrhizal inoculants are crucial to sustaining a healthy, expansive root zone. Humboldt Nutrients is proud...
+ Quick Look
$20.99
Zeus Juice was “Part C” of our original three-part line. It is the catalyst in...
Capital City Hydroponics is now closed.
Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
11am-5pm Sundays
All Materials © 2021 Capital City Hydroponics | 
Website by Sleepless Media | Powered by Shopify