Young Sasha Przytyk in a greenhouse holding labelled cannabis cuttings among numbered pots
From the archive of Sasha Przytyk, aka Joint Doctor

Home of Autoflowers

Before autoflowers became a category, Sasha was selecting plants for speed, compact size and day-neutral flowering. That work led to Lowryder—widely credited as the first commercial autoflower.

DC Family launch

Cannabis Seeds by Joint Doctor

Premium genetics from the creator of Lowryder

Live breeding journal

The Breeding Room

Follow each line from selection to release—through observations, photographs and decisions.

Enter the Breeding Room
Female Rasol with pistils outdoors, September 2026
Sep 2026 · Log 04

Tulga Parvati

A September Rendezvous

Male and female Rasol plants are flowering together outdoors, with Rasol × Rasol seed the next milestone.

Vanilla Velvet in flower during the second run
Sep 2026 · Log 03

Velluto

Two Cuts of Velvet

Regular F1 selection is underway. Feminized seeds are headed to DC Family testers.

Close-up of a Black Mamba #42 flower, June 2026
Jul 2026 · Log 03

Black Mamba #42 Auto

Double Strike

The Lowryder cross produced F1 seeds from both mothers, with each batch kept separate for comparison.

Black Mamba #42

Bestsellers

Our genetics on video

See it grow

Autoflowering / Regular

Freaky Ryder

Freakshow × Lowryder IBL, stabilized to F5 for fern-like leaves, dense buds and a floral-pine aroma.

Photoperiod / Feminized

Fastberry Bastard

Blueberry Bastard F4 × Bastard Ryder, combining guaranteed ABC leaf expression with fast flowering.

Autoflowering / Feminized

Deepforest Super Auto

North American Indica × Hashplant Indica × Wild Landrace—a whole forest in one plant.

Photoperiod / Feminized

Black Mamba #42

Morositax × Blueberry, selected to retain deep-black pigmentation without cold treatment.

Doctor’s Choice × mutantfarmer

Mutant forms. Now autoflowering.

Freakshow’s fern-leaf phenotype and ABC’s shrub-like growth—introduced into autoflowering genetics with Lowryder, then released as regular, feminized and fast-flowering seeds.

mutantfarmer

All mutant genetics

Regular

Doctor’s Choice Journal

The story keeps growing

Frequently asked questions

Got questions? We’ve got answers.

Our genetics come directly from the creator of the original Lowryder, widely credited as the first commercial autoflower. Each variety is tested for vigor, yield and true-to-type performance.