Updated 28 July 2026
When is the best time to find Slippery jack in County Kildare?
This week’s slippery jack forecast for County Kildare, Ireland reads 18% and building. The 14-day outlook decides whether to go now or wait, so check https://shroomcast.net/forecast/slippery-jack-forecast-for-county-kildare-ireland/ before you set out
It is outside the usual season for Slippery jack, so expect only scattered finds.
It has a distinct membranous ring or partial veil remnant on the stem, an unusual feature among the slippery-capped Suillus boletes.
Scan the ground near any pine, especially along sandy tracks and clearings where they often appear in groups. Pick young firm caps, since older ones go soft and waterlogged, and carry them separately because the slimy cap coats everything.
Other Suillus boletes such as the larch bolete (Suillus grevillei) and weeping bolete, all of which are also edible, so there are no dangerous poisonous lookalikes. The slimy brown cap, yellow pores and ringed stem set it apart from any toxic gilled mushroom.
County Kildare is a landlocked, low-lying county in Ireland’s eastern central plain, with few hills beyond the eastern fringe where the land begins to rise towards the Wicklow Mountains. Its character is defined by flat farmland, the open grassland of the Curragh, and the vast raised peatlands of the Bog of Allen. Native woodland is limited, but you’ll find mixed broadleaf stands of oak, ash, beech and birch along the Liffey and Barrow river valleys and in demesne woods, alongside conifer plantations of spruce and pine. Grassy pastures, old parkland, the bog margins and damp riverside meadows are the most productive ground for fungi.
Kildare has a mild, damp temperate climate with rain spread fairly evenly through the year and no extremes of heat or cold. Being inland it is slightly drier than the west coast, but the autumn stays humid and moist, which suits mushroom growth. Expect open, accessible country rather than deep forest, with finds concentrated in pasture, parkland, canal banks and the scattered woods rather than across wide tracts of trees. Autumn is the main season, and much of the land is farmed or used for horses, so always seek permission and stick to public ground and rights of way.
FAQ
Is it mushroom season in County Kildare, Ireland right now?
For slippery jack in County Kildare, Ireland, the typical season is August to November, and today the live forecast reads 18% with conditions building this July. So yes or no depends on the day and the weather, which is exactly what the forecast tracks.
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 slippery jack are likely to be fruiting in County Kildare, Ireland. 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 slippery jack forecast for County Kildare, Ireland work?
We take the usual slippery jack season for County Kildare, Ireland (August to November) and weigh it against the weather right now and over the last few days. That gives you one live number, today 18% and building, plus a 14-day outlook and a normal-year line to compare against.
When is slippery jack season in County Kildare, Ireland?
In County Kildare, Ireland, slippery jack season usually runs August to November. The exact start shifts year to year with rain and temperature, so some years they show up early and some years late. Right now (July) the live forecast for County Kildare, Ireland reads 18% and conditions are building.
Where do slippery jack grow in County Kildare, Ireland?
Grows in conifer woods, almost always with pine, on sandy or poor soil and often along forest tracks and clearings. Common in young plantations and appears in groups. 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 County Kildare, Ireland so you know when it is worth heading out.
See the live regional forecast in the ShroomCast app.
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.