Slippery Jack Suillus luteus
edible with restrictions
It has a membranous ring on the stem, which the weeping bolete does not. The weeping bolete also bears granules on the stem. Edible with restrictions; peel off the cap skin.
View on the mapIdentification in 5 steps
The weeping bolete has a brown, slimy cap up to 15 cm wide, which fades over time, and yellow tubes that do not change colour when pressed. The stem has no ring and bears granules and milky droplets. It grows with two-needle pines.
SeasonJune to October
Spore printbrown to ochre-brown
FamilySuillaceae
- Cap. The cap grows up to about 15 cm wide, is brown, fades and is slimy.
- Underside. The tubes are pale yellow, later lemon to yolk-yellow. They do not change colour when pressed.
- Stem, ring and volva. The stem measures about 4 to 10 cm and has no ring. It bears granules and milky droplets.
- Smell and taste. The smell is inconspicuous, and the taste is mild.
- Flesh and colour change. The flesh is pale yellow and does not change colour noticeably.
Lookalikes
The weeping bolete is a very good edible mushroom and grows with pines. It is similar to the slippery Jack, but has no ring. Use only young specimens and peel off the cap skin. It can be hard to digest.
Suillus collinitus
edible
Its stem base is coloured pink and the droplets are clear to amber-yellow; the cap is more brown with radial fibres. Also edible.
View on the mapBovine bolete Suillus bovinus
edible
It has a yellow-brown, slimy cap and very wide, angular pores that run down the stem. Also edible.
View on the mapSide by side
| Weeping bolete | Slippery Jack | Suillus collinitus | Bovine bolete | |
|---|---|---|---|---|
| Cap | up to 15 cm, brown, fading, slimy | yellow- to chocolate-brown, slimy | light to dark brown, radial fibres, slimy | yellow-brown, slimy |
| Underside | pale to lemon-yellow tubes, no colour change | yellow tubes, covered with shreds of skin when young | pale yellow, later olive-yellow tubes | wide, angular, decurrent pores |
| Stem | 4 to 10 cm, no ring, with granules | with a membranous ring | no ring, pink base | no ring, no granules |
| Flesh | soft, slimy | soft, slimy | soft, slimy | soft, tough |
| Edibility | Edible | edible with restrictions | edible | edible |
Habitat & Season
Pine woods and pine plantations. No reliable information.
Host trees
Two-needle pines, mycorrhizal fungus.
Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
possible good main season
Rough estimate; the fruiting period depends on the weather.
Mushroom regions with a daily forecast
There are no records per region for this species yet. The country pages lead to all regions with a daily forecast.
Chance near you
How good are the chances of finding this species where you are right now? We calculate it from weather, soil moisture, altitude and forest at your location.
Safety
Never eat a mushroom you have not identified with certainty. Only eat mushrooms you have identified beyond doubt, and always cook them thoroughly.
Advice for your country
Ireland
Poison centre:
National Poisons Information Centre (public line)(01) 809 2166
Emergency: 112 · 999
Germany
Poison centre:
Emergency: 112
Mushroom advice: DGfM: find a mushroom expert. Certified mushroom experts of the German Mycological Society (DGfM).
Collecting rules: Mushrooms that are not specially protected may be collected in small quantities for personal use unless a protected area or ban applies. Certain specially protected edible species (e.g. cep, chanterelle, birch bolete) may be collected in small quantities for personal use.
Austria
Poison centre:
Vergiftungsinformationszentrale (VIZ)01 406 43 43
Emergency: 112 · 144
Mushroom advice: Austrian Mycological Society (ÖMG): mushroom advice. Mushroom advice by the Austrian Mycological Society or regional services such as municipal market offices.
Collecting rules: At most 2 kg of mushrooms per person per day unless the forest owner has prohibited collecting; organised collecting events are prohibited. Additional state rules apply (collecting hours, closed seasons), e.g. Carinthia, Tyrol, Vorarlberg, Salzburg.
Conservation and collecting rules
Not specially protected.
In the kitchen
Use only young specimens, peel off the cap skin, and fry or braise the mushroom in slices. Cook for at least 15 minutes.
No reliable information on drying. Peel off the slimy cap skin, as it can cause stomach upset. Can be hard to digest; enjoy in moderation.
- Never eat wild mushrooms raw, and always cook them for at least 15 minutes.
- Use only young, fresh, maggot-free mushrooms that you have identified with certainty.
- Carry mushrooms in an airy basket, not in plastic bags, and process them on the same day.
Frequently asked questions
Is the weeping bolete edible?
Yes, it is considered a very good edible mushroom. Use only young specimens, peel off the cap skin and cook thoroughly.
How do I tell it from the slippery Jack?
The slippery Jack has a ring on the stem; the weeping bolete does not. The weeping bolete also bears granules and milky droplets on the stem.
Why is it called the weeping bolete?
Because the stem is covered in small granules, which form from dried-up droplets.
Related species
- Larch bolete Suillus grevillei
- Velvet bolete Suillus variegatus
- Bovine bolete Suillus bovinus
- Slippery Jack Suillus luteus
- Cep Boletus edulis
- Golden chanterelle Cantharellus cibarius
Sources
- Wikipedia: Körnchen-Röhrling
- GBIF: Suillus granulatus (L.) Roussel
- Index Fungorum: Namensabfrage Suillus granulatus
Photo credits
- Photo: Andreas Kunze · CC BY-SA 3.0 · Wikimedia Commons
- Slippery Jack: Photo: Jerzy Opioła, edited by Ak ccm (talk) · CC BY-SA 3.0 · Wikimedia Commons
- Suillus collinitus: Photo: Holger Krisp · CC BY 3.0 · Wikimedia Commons
- Bovine bolete: Photo: Achim Lammerts (Syntaxys) · CC BY-SA 4.0 · Wikimedia Commons
No substitute for having your finds checked in person. No guarantee of accuracy. Updated: 17.10.2026.