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Our Pearl Oyster grow kit is a 5 lb block fully colonized with first-generation Pleurotus ostreatus. Cut the bag and mist daily for clusters of pale, medium-sized caps that are mild, nutty and about as versatile as a kitchen mushroom gets.
Mild and nutty with a tender, slightly chewy texture. Works in nearly any recipe that calls for mushrooms.
It fruits normally in dim rooms; a few hours of light a day just brightens the caps.
Fruits at 64–77°F, the range most homes already sit in.
The hard parts of mushroom growing (sterilization, inoculation and colonization) are done before the block ships. Your job is to trigger fruiting and keep the surface from drying out.
Make one slit across the face of the block as shown in the instructions. Fresh air on the mycelium is the signal to stop feeding and start fruiting.
Lightly mist the cut face once or twice a day with the included mister. Keep the surface from drying out; don't leave standing water.
Give it 4–6 hours of ambient or indirect light a day for the brightest caps, plus good air exchange.
Twist off the whole cluster before the caps flatten out. Then stop misting for about a week to let the block rest before the next flush.
Light affects color, not growth: Pearl Oyster fruits fine in low light, but 4–6 hours a day gives the brightest, most even cap color. In dim spots the caps still form normally; they just stay a little darker.
Get more from your kitA Tabletop Humidity Tent holds moisture around the block so you mist less and get fuller clusters, especially in dry winter air. Ready to grow Pearl Oyster from scratch? Start with our Pearl Oyster liquid culture syringe.
Usually within the first week or two after cutting. If nothing forms after two to three weeks, the block is too dry; mist more often rather than more heavily.
No. The kit is designed to fruit in open room air with daily misting. In dry homes, especially in winter with forced-air heat, a humidity tent holds moisture around the block so you mist less often and get fuller clusters.
Most blocks give multiple flushes totaling up to 3 lb wet weight, with the first usually the largest. Rest the block for about a week between flushes.
No. Pearl Oyster grows in low light. Four to six hours a day of ambient or indirect light just gives brighter, more even cap color. Keep it out of direct sun.
Indoors is strongly preferred. The block needs steady temperatures and protection from wind, direct sun and insects; fungus gnats find an exposed block quickly. A kitchen counter, bathroom shelf or any spot out of direct sunlight works well.
The kit is already colonized and ready to fruit, so there's no sterile work. Our Pearl Oyster liquid culture syringe is for growers who make their own grain spawn and want to scale up or run multiple grows.
This project was a lot of fun. After they started pinning they grew really fast. The kit is easy to use. I opted to grow mine right out of the side of the box. I think it would be super cool for kids because the growth is so abrupt you get to see it explode in size everyday.
Fast shipping, I received my order sooner than expected. Everything looks great! The instructions are well written and easy to understand for a beginner. I'm super excited to get my first batch of mushrooms!
I received two 5 pound Pearl White Oyster mushroom kits only 9 days ago. I started them the next day in my grow chamber (photos attached). And, I just finished eating my first flush for lunch today! That is a meal in just 8 days of starting them. Great healthy kits. My growth chamber consists of a terrarium placed on top of a heating mat to keep the temperature inside at 68-74 F. My basement is cold. Humidity readings vary from 80-99 %. I use two cool white flourescent lights for illumination for 12 hours per day. I also have a small fish tank air pump that pumps into three air rocks which are submerged in about 1 inch of water in a large tupper which lines the bottom of the terrarium. Each mushrrom block also sits in its own smaller sized tupper with about 1/2 inch of water. Will order again soon!
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