The D.C. Seed Exchange

Welcome to the D.C. Seed Exchange! We are a small seed bank focused on the highest quality genetics. Our mission is to build a virtual trading space that features genetics from the best breeders in North America as well as highlighting local talent from the Mid-Atlantic region. Below is a complete list of our vendors offering a variety of regular, feminized and auto-flowering seeds.

We are here to help, if you have any questions please don't hesitate to contact us!


Black Mamba F2 (Black D.O.G. [Blackberry Kush x F2 Emerald Headband] x Jelly Pie) 10 Regular Seeds


Earn 34 points upon purchasing this product.

9 in stock


Black Mamba is an F2 strain of Humboldt Seed Organization’s Black D.O.G. [Blackberry Kush x F2 Emerald Headband] crossed with Greenpoint Seeds’ Jelly Pie. Jelly Pie is Grape Pie [Grape Stomper x Cherry Pie] x Stardawg [Chem 4 – 25%, Chem D – 22%, Affy – 03% ] and is a proven heavyweight known for it’s delicious flavor and strong buzz. A handsome JP male was mated to strains similarly known for their potency and taste.

At least 10 regular seeds per pack!

Ingredients: hemp seed

Photo by Tito M


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