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
$9.95
AgroBrite full spectrum fluorescents are a cost-conscious alternative for seedlings, cuttings, and plants such as...
+ Quick Look
$9.95
AgroBrite full spectrum fluorescents are a cost-conscious alternative for seedlings, cuttings, and plants such as...
+ Quick Look
$10.95
Compact fluorescent spiral bulbs provide the light you need while reducing energy costs. These work...
+ Quick Look
$12.95
Compact fluorescent spiral bulbs provide the light you need while reducing energy costs. These work...
+ Quick Look
$39.99
This 125W compact fluorescent grow light with cool (6500K) color spectrum is ideal for propagation,...
+ Quick Look
$69.99
This 200W compact fluorescent grow light with cool (6500K) color spectrum is ideal for propagation,...
+ Quick Look
$89.99
This 250W compact fluorescent grow light with cool (6500K) color spectrum is ideal for propagation,...
+ Quick Look
$44.99
This 125W dual spectrum compact fluorescent grow light is ideal for propagation, side lighting, and...
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$94.99
This 200W dual spectrum compact fluorescent grow light is ideal for propagation, side lighting, and...
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$39.99
This 125W compact fluorescent grow light with warm (2700K) color spectrum is ideal for flowering....
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$89.99
This 250W compact fluorescent grow light with warm (2700K) color spectrum is ideal for flowering....
+ Quick Look
$64.95
The Agrobrite Standing Plant Light offers exceptional illumination and versatility! With a flexible neck and...
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$197.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
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$146.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
+ Quick Look
$119.99
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$117.99
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$215.99
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$202.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
+ Quick Look
$169.95
20 bulbs per pack T5 4' Replacement 6500K Bulbs, 54W Hydrofarm's T5 replacement tubes offer...
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$236.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
+ Quick Look
$87.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
+ Quick Look
$134.96
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$211.99
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$175.46
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$211.99
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$215.96
HydrofarmÌÎ_ÌÎ_̴Ìös new Designer T5 System delivers performance, flexibility, and high lumen output in any growing...
+ Quick Look
$249.99
HydrofarmÌÎ_ÌÎ_̴Ìös Designer T5 System delivers performance, flexibility, and high lumen output in any growing environment....
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$416.95
Hydrofarm's T5 EnviroGro system delivers performance, flexibility, and high lumen output in any growing environment....
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$197.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
+ Quick Look
$119.99
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment....
+ Quick Look
$33.35
These silent, rapid-starting bulbs are great for orchids, seedlings, under cabinets, aquariums, etc. Features T5...
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$10.95
Compact fluorescent spiral bulbs provide the light you need while reducing energy costs. These work...
+ Quick Look
$12.95
Compact fluorescent spiral bulbs provide the light you need while reducing energy costs. These work...
+ Quick Look
$75.95
The Fluorowing Compact Fluorescent System is a compact package that is fully asembled and ready...
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$7.95
This is a replacement bulb for Hydrofarm's FLF27D Desktop Plant Lamp and Standing Plant Lamp...
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$89.95
This is a replacement bulb for Hydrofarm's FLF27D Desktop Plant Lamp. Save money on your...
Capital City Hydronics is now closed.
We want to thank all of our customers for their support and invite you to our main location.
11am-7pm Mon-Sat ;
11am-5pm Sundays
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