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BD Blue-Grey


This Blue Grey Oyster Mushroom spawn pack contains high quality, fresh living mushroom grain spawn ready for inoculation at home. 

Using our spawn, it is extremely easy to grow mushrooms all the way to fruit or use it to start your own mother culture.

Our strains are specifically selected for their high yield, vibrant colours and strong flavours. Boasting an incredibly low generation number, this laboratory-grade grain spawn can’t be matched in terms of quality and reliability.

  • First harvest in as little as 3 weeks
  • Suitable for returning customers/avid urban growers
  • Capable of producing up to 5 big harvests

Please read below for more species information, specifications and video.

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[vc_row type=”in_container” full_screen_row_position=”middle” column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” scene_position=”center” text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none”][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” top_margin=”-35px” column_element_spacing=”default” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_shadow=”none” column_border_radius=”none” column_link_target=”_self” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1/1″ tablet_width_inherit=”default” tablet_text_alignment=”default” phone_text_alignment=”default” bg_image_animation=”none” border_type=”simple” column_border_width=”none” column_border_style=”solid”][toggles style=”minimal”][toggle color=”Default” title=”Product Description”][vc_column_text]The blue-grey oyster mushroom pairs well with white meats and seafood dishes, it has a mild taste and a velvety texture.

They have a slightly sweet and earthy flavour with a firm texture making a great meat replacement.

Our spawn is stored in optimum conditions using specialist breathable bags. This means that the organism is always at its healthiest and ready for inoculation.

For larger quantities check out out wholesale collection.

  • The ideal growing conditions for blue-grey oyster mushrooms are: 10-20 C
  • We recommend a storage temperature of no higher than 5 C
  • First harvest: 3-5 weeks
  • Typically harvest <1.5kg over 3-5 flushes
  • Strain:  Pleurotus ostreatus

Commonly used substrates:

  • Straw from cereal crops such as wheat
  • Coffee grounds
  • Hardwood logs and chips
  • Cardboard and paper
  • Fresh compost heaps containing an abundance of un-broken down organic material

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mushroom production

Binomial nomenclature Pleurotus ostreatus
Old nomenclature None
Inoculation rate mix with ± 2% spawn
Natural substrate hardwood / (wheat) straw
Incubation room temperature: 20-22 °C
substrate temperature: 25-30 °C
duration: 19- 22 days
Primordia induction (night time)* temperature: lower to 6-15 °C
relative humidity 90- 95 %
Fruiting conditions room temperature: (5-) 10-17 (-20) °C
relative humidity: 85%
CO2-concentration: less than 800 ppm
light: 800- 1500 lux
Flushes number: 02/mar
interval: 1-2 weeks
between flushes: relative humidity increase to 90%
Total production cycle Ca. 3 months
Average yield 200 to 250 g saleable mushrooms per kg fresh substrate†

*Primordia are induced by a shock. For most mushroom species, this is done with a thermal shock, which is defined by the minimum temperature during the day-night cycle.

†Mushroom weight immediately after harvesting, and wetted substrate weight prior to inoculation.

Important remark: the cultivation guidelines in our technical data sheets are a compilation of the data given to us by experienced cultivators. Individual differences in the cultivation conditions can seriously affect the results.[/vc_column_text][/toggle][/toggles][/vc_column][/vc_row]

Package Size

100ml, 1L, 5L


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