The filet mignon of fungi! Giant portabellas can reach up to 8″ across and are perfect for grilling. Growing your own mushrooms is a fun and rewarding family activity. With this easy-to-use kit, you can expect to harvest your first batch of giant portabellas in about four weeks. You’ll get several crops over an 8- to 12-week period, with a total harvest of about four pounds. Please start growing within 2 weeks of arrival.
Grow your own huge portabella mushrooms
Easy to use and produces multiple harvests
A fun family project; makes a welcome gift
Portabellas grow best indoors at 63 to 68 degrees F out of direct sun