Every verified seed bank in Canada selling Critical Jack, compared by CAD price per seed, seed type, and THC.
Quick Answer
Critical Jack seeds are available from 3 verified seed banks on Seennabis, starting at $7.64 per seed (Blimburn Seeds). Offered as Autoflower and Feminized with 20–23% THC. Compare every seller's CAD price below.
Critical Jack is a indica/sativa/hybrid cannabis strain (Critical Jack Auto (Blimburn Seeds)) carried by 3 verified seed banks on Seennabis. Listings report 20–23% THC, with a typical flowering time of 8-10 weeks and medium yields.
It is offered as Autoflower and Feminized seeds. The cheapest verified option is Blimburn Seeds at $7.64 per seed. Because the same strain can vary slightly between breeders, the comparison table lets you weigh price against the seller's documented THC range and germination guarantee.
Critical Jack seeds start at $7.64 per seed (Blimburn Seeds) and range up across 3 verified seed banks. The full price comparison, including pack sizes, is in the table above.
Blimburn Seeds currently has the lowest CAD price per seed for Critical Jack at $7.64. Prices change, so the comparison table is sorted live by price per seed.
On Seennabis, Critical Jack is available as Autoflower and Feminized. Each seller's seed type is listed in the comparison table.
Critical Jack listings on Seennabis report 20–23% THC across sellers. Exact lab ranges vary by breeder and growing conditions.