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Breeder price comparison

Mr. Nice Seeds
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Seedscanner compares US prices for 1 strain by Mr. Nice Seeds across 1 seed bank: 1 regular. The lowest current price is $5.08 per seed for Critical Mass Regular. Each strain opens a full comparison of pack sizes, stock and recorded price history.

1 strain1 pack prices1 seed bank$5.08 lowest per seed

About Mr. Nice Seeds

Mr. Nice Seedbank is run by breeder Scott Blakey, known as Shantibaba, and was set up in collaboration with Howard Marks, the Welsh smuggler-turned-author whose 1996 memoir gave the company its name. Blakey co-founded Green House Seed Co. in 1994 and is linked with strains such as White Widow, White Rhino and Critical Mass.

The company says its aim is to keep a small number of favoured strains in circulation, produced indoors in pollen-proofed rooms. Its catalogue is short and changes slowly.

Don't confuse the seed bank with the Mr Nice strain, a G13 x Hash Plant cross that Sensi Seeds named in honour of Marks.

Mr. Nice Seeds strains we compare

Each card opens a full price comparison for one strain and seed type.

Where these prices come from

Seed banks with current US listings for these Mr. Nice Seeds strains, and how many of the strains each one carries.

  • Amsterdam Seed Center1

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Prices are dated observations. Each strain page keeps the breeder and seed type together, so a reused strain name from another breeder never mixes in. Prices older than 7 days are labelled with the date they were last checked. Confirm the retailer’s checkout total before buying. Latest catalogue observation: 2026-10-16.