Finding Slippery Jack: when, where and in what weather?
Suillus luteus
This mushroom lives in symbiosis with the roots of living trees (mycorrhiza) – without fitting trees it does not grow. The main season for Slippery Jack is June to October.
When is the season for Slippery Jack?
The main season covers June to October. Occasional finds are possible from May to November. When it starts in a given year depends on the weather: after rain and with mild temperatures, mushrooms can appear earlier.
Growth weight per month (higher = better conditions)
Where does Slippery Jack grow?
- Preferred trees: Pine.
- Soil pH: best between 3.5 and 6.0 (possible from 3.0 to 7.0).
- Elevation: most common between 0 and 1,200 m above sea level (possible from 0 to 1,800 m).
- Forest nearby is a prerequisite.
In what weather does Slippery Jack grow?
Growth is best at air temperatures from 12 to 27 °C, a humidity of 65–92 % and about 8–22 mm of rain in the last seven days.
Waldschatzfinder calculates the growth probability for your spot every day from this – with the weather of the last three months and the 10-day forecast, with an account also with soil, elevation, forest and tree species. It is a guide, not a promise.
Foraging safely
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Frequently asked questions about Slippery Jack
When does Slippery Jack grow?
The main season of Slippery Jack is June to October; occasional finds are possible from May to November.
Where do I find Slippery Jack?
This mushroom lives in symbiosis with the roots of living trees (mycorrhiza) – without fitting trees it does not grow. Preferred trees: Pine. Forest nearby is a prerequisite.
In what weather does Slippery Jack grow?
Growth is best at air temperatures from 12 to 27 °C, a humidity of 65–92 % and about 8–22 mm of rain in the last seven days.
Is there a forecast for Slippery Jack?
Yes. Waldschatzfinder calculates the daily growth probability of Slippery Jack for your spot – free, with the weather of the last three months and the 10-day forecast; with an account also with soil, elevation, forest and tree species.