Cannabis Seeds by Joint Doctor

Premium genetics from the creator of Lowryder

Bestsellers

Doctor’s Choice × mutantfarmer

Mutant genetics.
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 seeds

Regular

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.

Live breeding journal

The Breeding Room

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

Enter the Breeding Room
Top of a female Rasol plant outdoors in the second half of October 2026
Oct 2026 · Log 05

Tulga Parvati

A Delicate Condition

Rasol × Rasol seeds are developing outdoors as night temperatures drop to around 5 °C.
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.

Doctor’s Choice Journal

Our genetics in action

Photoperiod / Feminized

Black Mamba #42

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

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.

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.

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