MushroomPriceIndex

Button / Cremini / Portobello (Agaricus bisporus): what do the growing supplies cost?

Button / Cremini / Portobello (Agaricus bisporus) supplies are sold in 2 product categories (liquid culture, agar & lab) across 1 US vendors — 4 listings tracked, 4 in stock, updated September 4, 2026. Prices below are grouped by category because a grow kit, a bag of spawn and a culture syringe are different products; comparing them against each other would be misleading.

Liquid culture

Cheapest today
$12.73/syringe
Median
$12.73/syringe
Highest today
$12.73/syringe
In stock now
2
VendorListing Per syringeListing price Stock
Out-Grow White Button Mushroom (Agaricus bisporus) Liquid Culture Syringe $12.73 $12.73 in stock view →

Price history — liquid culture (daily median)

$12.33$12.54$12.76Jul 20: $12.36Jul 21: $12.36Jul 22: $12.36Jul 23: $12.36Jul 24: $12.36Jul 25: $12.36Jul 26: $12.36Jul 27: $12.36Jul 28: $12.36Jul 29: $12.36Jul 30: $12.36Jul 31: $12.36Aug 1: $12.36Aug 2: $12.36Aug 3: $12.36Aug 4: $12.36Aug 5: $12.36Aug 7: $12.36Aug 8: $12.36Aug 9: $12.36Aug 10: $12.36Aug 11: $12.36Aug 12: $12.36Aug 13: $12.36Aug 14: $12.36Aug 15: $12.36Aug 16: $12.36Aug 17: $12.73Aug 18: $12.73Aug 19: $12.73Aug 20: $12.73Aug 21: $12.73Aug 22: $12.73Aug 23: $12.73Aug 24: $12.73Aug 25: $12.73Aug 26: $12.73Aug 27: $12.73Aug 28: $12.73Aug 29: $12.73Aug 30: $12.73Aug 31: $12.73Sep 1: $12.73Sep 2: $12.73Sep 3: $12.73Sep 4: $12.73Jul 20Sep 4

Agar & lab

Cheapest today
$26.47/plate
Median
$26.47/plate
Highest today
$26.47/plate
In stock now
2
VendorListing Per plateListing price Stock
Out-Grow Portobello Mushroom (Agaricus bisporus) Mushroom Plate Culture $26.47 $26.47 in stock view →

Price history — agar & lab (daily median)

$25.64$26.09$26.53Jul 20: $25.70Jul 21: $25.70Jul 22: $25.70Jul 23: $25.70Jul 24: $25.70Jul 25: $25.70Jul 26: $25.70Jul 27: $25.70Jul 28: $25.70Jul 29: $25.70Jul 30: $25.70Jul 31: $25.70Aug 1: $25.70Aug 2: $25.70Aug 3: $25.70Aug 4: $25.70Aug 5: $25.70Aug 7: $25.70Aug 8: $25.70Aug 9: $25.70Aug 10: $25.70Aug 11: $25.70Aug 12: $25.70Aug 13: $25.70Aug 14: $25.70Aug 15: $25.70Aug 16: $25.70Aug 17: $25.70Aug 18: $26.47Aug 19: $26.47Aug 20: $26.47Aug 21: $26.47Aug 22: $26.47Aug 23: $26.47Aug 24: $26.47Aug 25: $26.47Aug 26: $26.47Aug 27: $26.47Aug 28: $26.47Aug 29: $26.47Aug 30: $26.47Aug 31: $26.47Sep 1: $26.47Sep 2: $26.47Sep 3: $26.47Sep 4: $26.47Jul 20Sep 4

We check Button / Cremini / Portobello (Agaricus bisporus) supply prices at every vendor we track, every day. How the index works · All categories · All tracked species