Updated 11 September 2026
Birch Bolete in Uppsala, Sweden: live forecast and 14-day outlook
Birch Bolete usually come up in Uppsala from June to October, and right now they’re at 59% and looking good.
It fruits after warm summer or autumn rain, typically when daytime temperatures sit around 12 to 20 C and the ground stays damp. A good soaking followed by mild, humid days a week or so later usually brings them up.
Where birch grows you may also find other Leccinum such as the orange birch bolete, plus fly agaric and various russulas and milkcaps that share the same birch habitat. The fungus is restricted to birch, so birch presence is the main thing to look for.
Use fresh within a day or two as it deteriorates fast and the flesh softens quickly. It dries well into slices or powder, and you can also slice and freeze it after a brief sauté to hold its texture better.
Easily told from other Leccinum such as the orange birch bolete by its dull brown cap. It has no deadly lookalikes, but as a bolete only ever pick firm specimens, since old soft ones cause stomach upsets, and avoid any bolete with red or orange pores and blue-staining flesh.
Uppsala sits on the flat, fertile Uppland plain, low-lying farmland threaded by the Fyrisån river and the long gravel eskers left by the ice age. South and east the land gives way to the bays of Lake Mälaren and the Baltic coast, while gentle forested rises take over to the north. Boreal conifer forest dominates, mostly Norway spruce and Scots pine mixed with birch, aspen and alder. Mushrooms favour the mossy spruce stands, the damp birch edges and the bogs and pine heaths common across reserves like Hågadalen-Nåsten and Norra Lunsen.
The climate is humid continental, with cold, snowy winters and mild summers. The decisive rains come in late summer and early autumn, and it is this damp warmth that triggers the main fungal flush. Foraging here is easy and rewarding thanks to the right to roam, with chanterelles arriving around midsummer and porcini, funnel chanterelles and other autumn species following into October. Spruce and birch woods within easy reach of the city make Uppsala a generous region for beginners and seasoned pickers alike.
FAQ
Does ShroomCast tell me if a mushroom is safe to eat or identify it for me?
No. ShroomCast only forecasts timing, so it tells you when birch bolete are likely to be fruiting in Uppsala, Sweden. It does not identify mushrooms, and it cannot tell you whether anything you pick is safe to eat. Always confirm your own identification from a reliable source before eating anything.
How does the live birch bolete forecast for Uppsala, Sweden work?
We take the usual birch bolete season for Uppsala, Sweden (June to October) and weigh it against the weather right now and over the last few days. That gives you one live number, today 59% and looking good, plus a 14-day outlook and a normal-year line to compare against.
When is birch bolete season in Uppsala, Sweden?
In Uppsala, Sweden, birch bolete season usually runs June to October. The exact start shifts year to year with rain and temperature, so some years they show up early and some years late. Right now (September) the live forecast for Uppsala, Sweden reads 59% and conditions are looking good.
Where do birch bolete grow in Uppsala, Sweden?
Grows in mycorrhizal association with birch only, so look for it under birch trees on heaths, in mixed woodland, parks and on grassy verges. It often appears in damp, mossy ground. They tend to come back to the same kinds of ground year after year, so once you find good cover it is worth checking again. ShroomCast does not share exact spots; it tells you the timing for Uppsala, Sweden so you know when it is worth heading out.
How do I know birch bolete season has started in Uppsala, Sweden?
Season usually kicks off after a warm spell followed by steady rain, with the first flushes appearing somewhere in the June to October window. The clearest sign is the live forecast lifting off zero into ‘just starting’ or ‘building’. For Uppsala, Sweden it currently sits at 59% and is looking good.
See the live regional forecast in the ShroomCast app.
This page shows today. The app gives you the full 14-day outlook for your area and all 14 species, so you can pick the right day before you drive out.
Scale: 0-20% very low · 20-40% low · 40-60% moderate · 60-80% high · 80-100% excellent. ShroomCast forecasts fruiting probability from weather, soil, forests and years of observations – a guide, not a guarantee of finds.
ShroomCast forecasts the region and the time of year. It cannot identify mushrooms for you, so confirm any species with a reliable source before eating it.