MushroomGrowLab

North Spore

One of the most recognized names in North American mushroom cultivation. USDA-certified organic spawn, a wide strain catalog from beginner kits to named plate cultures, and same-day fulfillment from their Portland, Maine facility.

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At a glance

Categories
Spawn, Kits, Equipment, Cultures, Substrate
Ships to
United States, Canada
Price range
Premium ($$$)
Shipping speed
Same-day fulfillment for most orders
Free shipping
Orders over $150
Founded
2014
Highlights
USDA organic certifiedWide strain selectionStrong education contentSame-day fulfillment
Some typical prices
Liquid culture: $19.99 (all species)
Plate culture: $74.99 (all species)
Spawn (plug, grain, sawdust): $19.99–$29.99
Spray & Grow kits and fruiting blocks: $29.99
Sterilized substrates: $22.99–$28.99 single, $127.99 for 8-pack
Boomr Bin monotub kits: $99.99–$279.99
What they sell
Spray & Grow kitsFruiting blocksPlant & Grow outdoor starter blocksMonotub grow kitsMartha tent systemsOutdoor log kitsGarden bed kitsGrain spawnSawdust spawnPlug spawnLiquid culturePlate cultureSlant cultureSterilized substrateEquipment
Species available
Blue oyster,Golden oyster,Pink oyster,Italian oyster,Snow oyster,Black king oyster,Lion's mane,Shiitake,Wine cap,Chestnut,Beech,Elm oyster,Nameko,King trumpet,Pioppino,Hen of the woods,Blewit,Enoki,Golden enoki,Red reishi,Hemlock reishi,Turkey tail,Chaga,Chicken of the woods,Morel,Almond agaricus

Trade-offs#

  • Premium pricing across the catalog. Live grain spawn $29.99/bag, plate culture $74.99, liquid culture $19.99 — meaningfully higher than competing suppliers. The premium reflects USDA organic certification on all spawn.
  • No per-unit volume discount on spawn. Single-bag pricing applies up through bulk orders; quantity discounts only come via specific 8-pack bundles ($127.99 — about 45% off equivalent single-bag pricing). Buyers between 2 and 7 bags pay full single-bag price.
  • Popular species sell out frequently. Restock notifications are available on individual product pages, but availability timing isn’t guaranteed.

Alternatives#

  • Lower-priced liquid culture: Seismic Spore ($10 flat across 6 species), Booming Acres ($12), Out-Grow ($12 flat across 200+ species), or Midwest Grow Kits ($12.50).
  • Lower-priced plate cultures: Out-Grow — $24.95 across 200+ species ($50 below North Spore’s plate price).
  • Volume discount tiers on spawn (without needing 8-pack bundles): Field & Forest Products — sawdust drops $28 → $18 at 16+ bags, grain $25 → $18, plug $50 → $40.
  • Budget-priced grain & substrate at any quantity: Booming Acres — sterilized grain bags from $9, live species-specific grain spawn $15–20, CVG substrate $11.50–19 single.
  • Indoor cultivation specialist with deep monotub ecosystem: Redwood Mushroom Supply — multiple monotub tiers, automated tent bundles, in-house lab with contamination warranty.
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