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
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$39.99
Hormex is a vitamin, hormone concentrate and root growth stimulant, and has been a household...
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$10.99
Hormex is a vitamin, hormone concentrate and root growth stimulant, and has been a household...
+ Quick Look
$15.99
Hormex is a vitamin, hormone concentrate and root growth stimulant, and has been a household...
+ Quick Look
$43.95
This hot house with UL-listed waterproof heated mat is ideal to cradle your fragile clippings...
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$6.95
This is the only dome on the market with adjustable top and side vents to...
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$2.95
Reap and sow the benefits of greenhouse growing, no outside space required. With a Jump...
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$6.95
Reap and sow the benefits of greenhouse growing, no outside space required. With a Jump...
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$4.95
Forumulated to tuck into your Jump Start Pellet Greenhouse, these circular peat-packed pellets are an...
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$5.36
Reap and sow the benefits of greenhouse growing, no outside space required. With a...
+ Quick Look
$10.76
Reap and sow the benefits of greenhouse growing, no outside space required. With a...
+ Quick Look
$8.96
Forumulated to tuck into your Jump Start Pellet Greenhouse, these circular peat-packed pellets are an...
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$99.95
Formulated to tuck into your Jump Start Pellet Greenhouse, these circular coir-packed pellets are an...
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$8.96
Formulated to?ÕÌ_fit your Jump Start Pellet Greenhouse, these circular peat pellets are an ideal?ÕÌ_medium for?ÕÌ_seeds?ÕÌ_or...
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$20.95
Hydrofarm's windowsill heat mat is perfect for veteran growers, beginners, and children too. It is...
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$24.95
You'll find everything you need to start a windowsill garden with the Jump Start Windowsill...
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$6.95
Regulates air flow, with two adjustable vents that allow you to adjust temperature and humidity,...
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$4.95
• Premium grade virgin materials for cleanliness and durability• Premium white plastic for increased light...
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$5.95
A professional propagation dome for starting seeds or cuttings. Temperature and humidity controlled by two...
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$36.95
You don't need Dr. Frankenstein's laboratory to create amazing clones. Implement Olivia's Cloning Solution into...
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$12.95
You don't need Dr. Frankenstein's laboratory to create amazing clones. Implement Olivia's Cloning Solution into...
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$21.95
Derived from naturally composted tree bark, created through a process which produces large populations of...
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$21.98
Derived from naturally composted tree bark, created through a process which produces large populations of...
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$17.50
Rapid Rooter plugs are fortified with General Hydroponic micronutrients for abundant root growth. The optimal...
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$23.70
Rapid Rooter® plugs are all natural soilless grow plugs made of composted tree bark and...
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$21.33
A special matrix of composted organic material bound together by plant-derived polymers. Created through a...
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$102.62
ROOT 66 (1-1-1) is an organic based nutrient blend comprised of seaweed extract, trace elements,...
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$776.23
ROOT 66 (1-1-1) is an organic based nutrient blend comprised of seaweed extract, trace elements,...
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$1,397.21
ROOT 66 (1-1-1) is an organic based nutrient blend comprised of seaweed extract, trace elements,...
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$30.18
ROOT 66 (1-1-1) is an organic based nutrient blend comprised of seaweed extract, trace elements,...
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$323.42
ROOT 66 (1-1-1) is an organic based nutrient blend comprised of seaweed extract, trace elements,...
+ Quick Look
$323.42
ROOT 66 (1-1-1) is an organic based nutrient blend comprised of seaweed extract, trace elements,...
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$29.95
Root Riot 100 Cubes Plant starter cubes for cuttings and seeds for soil or hydroponics,...
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$17.95
Plant starter cubes for cuttings and seeds for soil or hydroponics, made from organic material...
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$29.95
Root Riot 50 Cube Tray w/Clonex Gel Organic plant starter cubes for cuttings and seeds...
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$82.84
Rootbastic is a versatile nutrient booster that will create fast and vigorous root production. It...
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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