Updated 23 September 2026
Birch Bolete in Noord-Holland, Netherlands: live forecast and 14-day outlook
This week’s birch bolete forecast for Noord-Holland, Netherlands reads 51% and looking good. The 14-day outlook decides whether to go now or wait, so check https://shroomcast.net/forecast/brown-birch-bolete-forecast-for-noord-holland-netherlands/ before you set out
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.
Summer to autumn, mainly June to October.
Greyish to dull brown cap up to about 15 cm, with a spongy pore surface underneath that is whitish then greying (not gills). The tall stem is whitish and covered in small dark brown to blackish scales, and the white flesh is soft, barely changing colour when cut.
Edible and mild in flavour but the flesh turns soft and slightly slimy when cooked, so it is best used young and firm. It works in mixed mushroom dishes, soups and dried for stock rather than as a fried mushroom on its own.
Pick young, firm specimens because older ones quickly become spongy, waterlogged and maggot-ridden. Confirm the birch association, the brownish cap, the white pores that bruise and the scaly stem, and slice each one to check the flesh before adding it to your basket.
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.
FAQ
How does the live birch bolete forecast for Noord-Holland, Netherlands work?
We take the usual birch bolete season for Noord-Holland, Netherlands (June to October) and weigh it against the weather right now and over the last few days. That gives you one live number, today 51% and looking good, plus a 14-day outlook and a normal-year line to compare against.
When is birch bolete season in Noord-Holland, Netherlands?
In Noord-Holland, Netherlands, 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 Noord-Holland, Netherlands reads 51% and conditions are looking good.
Where do birch bolete grow in Noord-Holland, Netherlands?
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 Noord-Holland, Netherlands so you know when it is worth heading out.
How do I know birch bolete season has started in Noord-Holland, Netherlands?
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 Noord-Holland, Netherlands it currently sits at 51% and is looking good.
Are birch bolete out near me right now in Noord-Holland, Netherlands?
Today the birch bolete forecast for Noord-Holland, Netherlands is 51% and conditions are looking good. That is a live read for the region this September, and it shifts with the weather rather than following a fixed calendar. It tells you if it is worth heading out in Noord-Holland, Netherlands right now.
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.