Maitake Mushroom Plug Spawn (Hen of the Woods)
Maitake Mushroom Plug Spawn (Hen of the Woods)

Maitake Mushroom Plug Spawn (Hen of the Woods)

Lead time: 2-10 Days
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Our Hen of the Woods (Grifola Frondosa) plug spawn is ready for inoculation the second it turns up at your home. Our spawn is made in labs and stored in breathable bags meaning that it is free from all other competing species.

All of our spawn boasts a very low generational count. The lower the generation of the spawn, the nearer to the original spore sample, so at only the fourth generation, this spawn is guaranteed to be both high-quality and dependable.

‘Hen of the Woods’ will live up to its name and bring you a high yield. Instead of eggs, you’ll harvest vibrantly coloured and strong flavoured mushrooms with a naturally sweet taste.

  • Suitable for all customers from hobbyists to professionals
  • A great first time grow, perfect for those in starting out with growing edible mushrooms
  • Will bring harvests of mushrooms, year after year
Grifola frondosa
Inoculation Rate
mix with ± 1-10% spawn
Recommended Substrate
80% hardwood, mixed fine + coarse; 10% cereals; 10% bran
room temperature: 23°C; substrate temperature: 25°C; duration: Ca. 18 days
Primordia Induction
(night time)* temperature: 18-24°C; relative humidity: 90-95%
Fruiting Conditions
room temperature: 12-18°C; relative humidity: 90-95%; CO2-concentration: 2000-5000 ppm; light: 200 lux
number: 2; interval: 20-30 days; between flushes:
Average Yield
Approx. 150 g saleable mushrooms per kg fresh substrate†


Note: Please refer to the specific lead times shown on product pages for more accurate delivery times.

  1. Small Orders (E.g. 100ml Spawn, Plugs): Sent via Royal Mail large letters.
  2. Medium-Sized Orders (under 2kg): Royal Mail 24-48 hour tracked parcel.
  3. Large Orders (2kg+): via DPD Express.


  1. Standard Returns: Returns and exchanges within 14 days of receipt. The item must be unused and in its original packaging. See our returns policy here.

This does not apply to our Gift E-Cards, which are delivered via email.

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