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!


Hubbabubbasmelloscope (90’s Bubblegum cut x Breeding Auto WC1) F5 Auto 7 Feminized Seeds


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Strain name: Hubbabubbasmelloscope F5

Genetic heritage: Serious Seeds 90’s Bubblegum cut x Breeding Auto WC1

Indica/Sativa – 40/60

Cycle Time – 70 to 80 days from sprout

Size: 80-120cm (Under HPS)

Yield – 120 to 210 grams as a single plant

Best Method for overall high yield – 4 per 1,2m x 1,2m sq in 20 Liter pots.

Aroma and flavour – Sweet sweet bubblegum

Effect – Euphoric and creative.

Best Grown – Indoor/outdoor/Greenhouse

Flower Density – 7.0/10

Cannabinoids – 15% THC

One of our first Mephisto Projects to come to fruition, developed from a 1990’s cut of bubblegum from Serious Seeds. Bubblegum was the first high grade weed we sampled in Amsterdam decades ago, so holds a personal memory to us, and was one of the first strains we had in mind to turn automatic from scratch. The cutting we used as a parent is incredible and formed the perfect pairing to begin the breeding work.

We truly created a monster with the HBSS she just loves to grow, under the right conditions she grows very large and yields heavily, and each time you pay a visit to her you can’t help but touch her flowers and smell the sweetness.

Hubbabubbasmellocope is a thin sativa plant that grows fast with great vigour, this fast growth means she can be delicate as her fine branches pack on yield and often needs support late in flower to keep the colas up and in place. She responds very well to training and basically accepts anything you want to do: Super cropping, LST, topping.

Hubbabubbasmelloscope doesn’t spare too many trichomes for fan leaves but she totally encrusts her flowers in lovely sweet resin.

Flowers indoor are compact and easy to trim producing a high-grade final product.

Warning: she can grow very large, Hubbabubba wanted to outgrow our 6ft polytunnels in height, having to supercrop the main stem to reign her in. Her large open Xmas tree like structure makes it an ideal strain for outdoors.

7 Feminized Autoflower Seeds per pack!


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