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
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BASIS A & B is a highly concentrated Bio-Mineral base nutrient designed to bring optimal...
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C4 is a sophisticated blend of macro nutrients, micro nutrients, bio-stimulants, carbohydrates, and trace minerals...
START-R is a complex bio-stimulant nutrient additive for use during the seedling, growth and early...
ULTIMATE PK is a powerful heavy weight bloom booster designed to be used the last...
Vitalize is unlike other silica products because of it is a unique concentrated and stabilized...
3744 10th St NE, Washington DCCapital City Organics202-248-2483Get Directions
Capital City Hydronics is now closed.We want to thank all of our customers for their support and invite you to our main location.
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