Every verified seed bank in Canada selling Grandaddy Purple, compared by CAD price per seed, seed type, and THC.
Quick Answer
Grandaddy Purple seeds are available from 2 verified seed banks on Seennabis, starting at $7.64 per seed (Blimburn Seeds). Offered as Feminized and Autoflower with 21–23% THC. Compare every seller's CAD price below.
Grandaddy Purple is a indica cannabis strain (Purple Urkle x Big Bud) carried by 2 verified seed banks on Seennabis. Listings report 21–23% THC, with a typical flowering time of 6-7 weeks and medium yields.
It is offered as Feminized and Autoflower 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.
Grandaddy Purple seeds start at $7.64 per seed (Blimburn Seeds) and range up across 2 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 Grandaddy Purple at $7.64. Prices change, so the comparison table is sorted live by price per seed.
On Seennabis, Grandaddy Purple is available as Feminized and Autoflower. Each seller's seed type is listed in the comparison table.
Grandaddy Purple listings on Seennabis report 21–23% THC across sellers. Exact lab ranges vary by breeder and growing conditions.