Double Jack Autoflower Cannabis Seeds Feminized
$50.00
5 Seeds Per Pack
A balanced 50/50 autoflower with 22% THC and an earthy, woody, skunky flavour. Original QCS genetics, bred by Quebec Cannabis Seeds in Quebec, Canada.
Strain at a Glance
A balanced 50/50 autoflower with 22% THC and an earthy, woody, skunky flavour. Original QCS genetics, bred by Quebec Cannabis Seeds in Quebec, Canada.
Genetic Balance
balance
Key Information
- THC22%
- Genetics(Jack Herer × Northern Lights #5) × Ruderalis
- TasteEarthy • Woody • Skunk
- Indoor flowering time9–10 weeks
Specifications
| Strain | Double Jack |
|---|---|
| Seed type | Autoflower, feminized |
| Genetics | (Jack Herer × Northern Lights #5) × Ruderalis |
| Genetic balance | Autoflower, 50% indica, 50% sativa |
| THC | 22% |
| Taste | Earthy, Woody, Skunk |
| Indoor flowering time | 9–10 weeks |
| Yield | 350–400 g/m² indoors, up to 200 g per plant outdoors |
| Pack size | 5 Seeds Per Pack |
These figures are ranges, not promises. Flowering time, harvest date and yield vary depending on growing conditions: the grower, the method and the season's weather. "Mold resistant" means mold tolerant: less prone to mold and slower to be affected. No strain is 100% mold resistant. How we set these numbers →
Taste & Aroma Profile



Earthy and woody, with skunky undertones.
About Double Jack
Genetics & strain profile
Double Jack Autoflower comes from Jack Herer and Northern Lights #5, combined with Ruderalis to make it an autoflower. It is an equal blend of 50% indica and 50% sativa, with 22% THC, and it is easy to grow, even for beginners.
How Double Jack Autoflower grows
Because it is an autoflower, it flowers on its own schedule without a change in light hours. The plant stays relatively compact and easy to manage, and its robust genetics cope well with different environments.
It flowers in 9 to 10 weeks, with 350 to 400 g/m² indoors and up to 200 g per plant outdoors.
Taste and effect
Earthy and woody, with skunky undertones. The effect ranges from euphoric and uplifting to deeply relaxing.
Frequently Asked Questions
How long does Double Jack Autoflower take to flower?
9 to 10 weeks.
How much does Double Jack Autoflower yield?
350 to 400 g/m² indoors, and up to 200 g per plant outdoors.
How strong is Double Jack Autoflower?
It has 22% THC.
Is Double Jack Autoflower easy to grow?
Yes. As an autoflower it is easy to grow, even for beginners.
What are the parents of Double Jack Autoflower?
Jack Herer and Northern Lights #5, crossed with Ruderalis.
Where can I buy Double Jack seeds in Canada?
Right here at Quebec Cannabis Seeds. Orders ship from Quebec within 24 hours on business days, in plain packaging, across Canada and to the USA, with a germination guarantee.
Legal Disclaimer: Cannabis laws vary by jurisdiction. It is the buyer’s responsibility to know and follow all local, provincial/state, and federal laws. These products are intended for adult customers (18+ or as required by law) where permitted. We do not encourage or promote any illegal activity.
Order with confidence
- Germination guarantee. If fewer than 80% of your seeds germinate, we send replacement seeds.
- Delivery guarantee. We guarantee delivery of your order.
- Discreet packaging. Plain, unbranded packaging with no logos and no mention of the contents. No signature is required.
- Shipped from Quebec within 24 hours. Orders usually ship the same day or within 24 hours of payment, Monday to Friday. Canada: 3 to 7 days, or 2 to 3 days by Express. USA: 1 to 2 business days by Express. Free shipping on orders over $200.
- Your privacy. We do not sell or share your information with third parties.
- Free seeds with every order, and real people to help: 514-805-2741, Monday to Friday, 11 AM to 6 PM EST.
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