Our substrates are produced FRESH for you, so the production time is approximately 3 - 6 weeks.
Organic Elm Oyster Mushroom - H. ulmarius - Grain Spawn
for organic mushroom cultivation
Quantity discount:
from 3 pcs.
from 6 pcs.
from 30 pcs.
from 100 pcs.
Organic Elm Oyster- Hypsizygus ulmarius - Grain Spawn
Synonyms: Shirotamogitake, Da Yu Mo
The Elm oyster mushroom is a delicious edible mushroom with a mild, flowery flavour that is often mistaken for oyster mushrooms on the markets. It can be used in the kitchen like oyster mushrooms, but the fruiting bodies are larger and have a slightly more intense flavour.
It turns white to light grey and light brown, depending on the substrate and location
This fresh product is prepared fresh for you to order. The production time is around 3 - 6 weeks.
The mushroom spawn should be processed immediately after delivery.
If the product cannot be processed immediately, it can be stored in the refrigerator at 4 °C for up to 2 weeks.
We recommend that you plan for this when ordering and making your preparations.
Suitable cultivation methods:
straw bales, wood logs, mushroom patch, spawn bag for indoor greenhouse
Suitable substrates: straw, paper, coffee grounds, hardwood
Suitable woods are maple, birch, beech, oak, alder, ash, aspen, poplar, elm or willow.
This breeding strain bears fruit when grown outdoors in summer.
You receive fully colonised grain spawn on organic raw materials for inoculating
substrates.
1 autoclave bag with approx. 3 litres of mushroom spawn is suitable for inoculating 5 - 15 substrate bags,
1 autoclave bag with approx. 6 litres of mushroom spawn is suitable for inoculating 10 - 30 substrate bags.
Only recommended for advanced mushroom growers!
Bulk quantities for commercial mushroom cultivation on request.
Taxonomy:
Class: Basidiomycetes (Basidiomycetes)
Subclass: Cap fungi (Agaricomycetidae)
Order: Leaf fungi (Agaricales)
Family: Chivalry (Tricholomataceae)
Genus: wood raslings, tree raslings (Hypzisigus)
Species: Elm mushroom (Hypzisigus ulmarius)
Spores: white, round to ovoid, , 3 - 5 µ diameter
Growing conditions:
Phase 1: Mycelium growth
Temperature: 21 - 27 °C
Humidity: 95 - 100 %
Duration: 14 - 21 days + 7 days rest period
CO2: > 10,000 ppm
Room air exchange: 0 - 1 per hour
Light: n/a
Phase 2: Primordia formation / initiation of fruiting
Temperature: 10 - 13 °C
Humidity: 98 - 100 %
Duration: 5 - 10 days
CO2: < 1,000 ppm
Room air exchange: 4 - 8 per hour
Light: 500 - 1,000 lux
Phase 3: Fruiting and harvesting
Temperature: 13 - 18° C
Humidity: (90) 94 - 98 %
Duration: 4 - 7 days
CO2: 600 - 1,500 ppm
Room air exchange: 4 - 8 per hour
Light: 500 - 1,000 lux
Harvest waves: 2 harvests 7 - 10 days apart
