Field & Forest Products

Family-owned Wisconsin spawn producer, founded in 1983 by Joe Krawczyk and Mary Ellen Kozak. Certified-organic sawdust, grain, and plug spawn with deep volume discounts, a full outdoor-log toolkit, and a Table Top Farm line of $28 indoor kits.

At a glance

Categories
Spawn, Kits, Cultures, Substrate, Equipment, Books
Ships to
United States, Canada, International
Price range
Mid-range ($$)
Shipping speed
Ships within 5 business days; seasonal holds above 95°F or below 10°F
Free shipping
Orders over $200
Founded
1983
Highlights
Certified-organic spawn since 1983Pioneered organic log-cultivation standardsDeep bulk discounts across all spawn formsProprietary strains (LE3790, Summer White, PoHu)
Some typical prices
Sawdust spawn: $28 single / $18 at 16+ (5 lb)
Grain spawn: $25 single / $18 at 16+ (4 lb)
Plug spawn: $50 single / $40 at 16+ (1000 ct)
Liquid culture: $15–25
Table Top Farm kits: $28 (6 lb)
What they sell
Sawdust spawnGrain spawnPlug spawnLiquid cultureMaster culturesCustom spawnIndoor grow kitsReady-to-fruit blocksOutdoor log starter kitsGarden starter kitsTruffle treesSterilized substratesInoculation toolsCheese wax & applicators
Species available
Blue oyster,Italian oyster,Pink oyster,King oyster,Black pearl oyster,Grey dove oyster,PoHu oyster,Summer White oyster,Winter White oyster,Shiitake,Lion's mane,Comb tooth,Coral tooth,Reishi,Chestnut,Pioppino,Nameko,Maitake,Turkey tail,Wine cap,Almond agaricus,Blewit,Morel,Chicken of the woods,Wood ear,Brick cap,Olive oysterling

Trade-offs#

  • Highest free-shipping threshold among the US suppliers we’ve tracked. $200, roughly double the $150 thresholds at North Spore, Out-Grow, and Midwest Grow Kits. Small single-bag orders pay carrier rates that erode the bulk-pricing advantage.
  • Bulk pricing requires volume. Per-bag price only beats competitors at 16+ bags on sawdust, grain, and plug spawn. Single-bag and small-order buyers are competitive but not cheap.
  • Slower handling than competitors. Ships within 5 business days from order — no same-day or next-business-day option.
  • Seasonal shipping holds. Live spawn is held when forecasts hit above 95°F or below 10°F to protect product viability. Cannot be treated like a just-in-time supplier during summer heat waves or deep winter.
  • No international checkout. Canada and “select international destinations” are supported, but only by phone or email — no online checkout for non-US.
  • Pink Oyster grain spawn handling exception. Must never be refrigerated and must be used within two weeks of receipt — the inverse of the refrigerate-and-use-within-two-months rule for other species.

Alternatives#