Product Description
White Elm Oyster Mushrooms are a North American variety with a strong woody flavour and are an excellent addition to any soup or stir fry.
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 white elm oyster mushrooms are: 13-20 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 var. florida
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
Cultivation Info
Mushroom production
| Binomial nomenclature | Pleurotus ostreatus var. Florida | |
| 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: | 12-14 days | |
| Primordia induction | (night time)* temperature: | lower to 6-15 °C |
| relative humidity: | 90- 95 % | |
| Fruiting conditions | room temperature: | (11) 13-20 (28)°C |
| relative humidity: | 85% | |
| CO2-concentration: | less than 1000 ppm | |
| light: | 800- 1500 lux | |
| Flushes | number: | 2-3 |
| interval: | 8-10 days | |
| between flushes: | relative humidity increase to 90-95%% | |
| 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: these 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.
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