Species sheet · Porcini mushrooms
Common porcini mushroom
Boletus edulis
The classic. Hat hazelnut-chestnut, a little slimy when wet, with white hem when young; white reticulum only at the top to the stem.
- Excellent edible (cooked)
- (Aug) Sep–Nov
Synonyms/dialect: ceppatello, dark-haired (Tuscan), autumn porcini mushroom
On the field
How to recognize it
- 01
Cap hazelnut to brown, often with a thin light edge; smooth surface, slightly sticky when wet.
- 02
White pores when young → yellow-greenish with age. White, firm meat, it doesn't turnSweet hazelnut scent.
- 03
Pot-bellied, light-coloured stem, with fine, whitish lattice in the upper part.
How is it different from other porcini mushrooms?
Hat lighter and more sticky than theaerial, not brick-red like the pinophilus, not dry-cracked like summer; reticulum limited to the top of the stem.
The right forest
Where and when to look for it
Woods
The most versatile—beech, fir, pine, chestnut, oak. Symbiont.
Quota / exposure
From the plains to the mountains (up to ~1,800 m); loves cool, acidic soils.
When
Late summer and autumn, peak September–November; after rain + drop in temperatures (8–15 days late).
Safety (applies to all porcini mushrooms)
What can it be confused with?
Among the porcini mushrooms, there's no deadly double. The real risks: a bitter mushroom that ruins the dish and two boletes that cause discomfort. Defense is always the same: look at the pores and cut the mushroom.
Gall mushroom
Tylopilus felleusReticle on the stem dark and loose-knit, pores that turn to rose, meat very bitterA taste on the tongue gives it away.
Evil porcini mushroom
Boletus satanasWhitish hat, red stem, orange-red pores, turning blue, unpleasant old odor.
Dirty Bolete
Boletus luridusRed-orange pores, flesh that quickly turns blue to the cut.
The right mushrooms, eaten badly
The porcini mushroom raw It is slightly toxic even when it is the right species: rich in trehalose, that whoever has little trehalase cannot digest (nausea, bloating, diarrhea). always cooked, not in huge quantities, and discarded if old, parasitized or softened.
MushScout
Why this card is alive in MushScout
Porcini mushrooms are the species on which MushScout's model is calibrated. When you record a porcini mushroom—or a failed outing—in your area, the app learns your rainfall-to-birth rhythm for that forest and tells you when to return, based on your data and not a regional average.
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Draft written by MushScout, undergoing mycological validationThis is to help you identify a mushroom, not to certify it. Before eating any mushroom, have it checked in person by a mycologist or by the mycological inspectorate of your local health authority. Health information: ISS and Poison Control Centers.