Are Slippery Jack Out in Perth and Kinross Yet? Live October Forecast
🏴󠁧󠁢󠁳󠁣󠁴󠁿 Perth and Kinross, ScotlandLive forecast

Slippery Jack forecast for Perth and Kinross, Scotland

24%
Updated: 15 October 2026

Slippery Jack: building.

Perth and Kinross
Temperature, 14 days
8°C

Average 8°, from 5° to 11°

2 Oct15 Oct
Rain, 14 days
43mm

Rainy days: 8. Wettest: 13 Oct

2 Oct15 Oct
Trees for Slippery Jack
647woods
Pine93%
Larch7%

Share of wood area by the tree slippery jack grows with in Perth and Kinross

Height of the woods
105–385m

where most of them lie

400–600 m
6%
200–400 m
58%
0–200 m
35%

When will Slippery Jack appear in Perth and Kinross?

This week’s slippery jack forecast for Perth and Kinross, Scotland reads 24% and building.

It fruits after warm late-summer and autumn rain, typically when day temperatures sit around 10 to 20C and the ground stays damp. A good soaking followed by mild nights usually brings flushes within a week or two.

In the same pine woods and season look for other Suillus such as larch bolete and weeping bolete, plus saffron milkcaps and the occasional bay bolete or porcini on richer patches. False chanterelles and various brittlegills often share the same acidic ground.

A decent edible with a mild flavour, good in mixed dishes, soups and sauces rather than as the star. Always peel off the slimy cap skin, which can otherwise cause loose stools, and discard the spongy pore layer on older specimens.

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.

Perth and Kinross is split by the Highland Boundary Fault: rugged Grampian uplands of peaks like Ben Lawers and Schiehallion in the north-west give way to gentler lowland straths in the south-east. Glaciated valleys cradle ribbon lochs such as Loch Tay, Rannoch and Tummel, while the fertile vale of Strathmore and the Carse of Gowrie run between the Ochil and Sidlaw hills. Known as Big Tree Country, the region holds some of Britain’s grandest woodlands, from remnant Caledonian Scots pine around Rannoch to towering Douglas firs and larch in Tay Forest Park. Mixed stands of oak, birch, hazel and rowan along the Tay and Tummel, together with riverside and upland conifer plantations, give a wide spread of fungal habitats.

The climate is cool and damp with a strong Atlantic influence, the hills of the west catching far more rain than the drier eastern straths. Mild, wet autumns following the highland downpours keep the woodland floor reliably moist for fungi. Foragers can work an unusually varied landscape, from native pinewood and birch on the moorland edge to rich mixed valley woods and lowland farmland fringes. The mix of acidic uplands and fertile straths supports a long, productive autumn season for the patient walker.

FAQ

Are slippery jack out near me right now in Perth and Kinross, Scotland?

Today the slippery jack forecast for Perth and Kinross, Scotland is 24% and conditions are building. That is a live read for the region this October, and it shifts with the weather rather than following a fixed calendar. It tells you if it is worth heading out in Perth and Kinross, Scotland right now.

What should I look for this week for slippery jack in Perth and Kinross, Scotland?

This week in Perth and Kinross, Scotland the forecast is 24% and building. 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. The 14-day outlook in the app shows whether conditions are climbing toward a flush or easing off, so you can pick your day.

Is it mushroom season in Perth and Kinross, Scotland right now?

For slippery jack in Perth and Kinross, Scotland, the typical season is August to November, and today the live forecast reads 24% with conditions building this October. 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 Perth and Kinross, Scotland. 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 Perth and Kinross, Scotland work?

Every mushroom has its own machine-learning models, trained on years of mushroom records and calibrated for each region. Every day they read the weather of the last three weeks in Perth and Kinross, Scotland: temperature, rain, humidity, soil temperature and moisture. Together with the time of year and the kind of woods and soil there, that gives the chance of slippery jack fruiting today. Right now it is 24% and building. The full 14-day outlook is in the app.

When is slippery jack season in Perth and Kinross, Scotland?

In Perth and Kinross, Scotland, 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 (October) the live forecast for Perth and Kinross, Scotland reads 24% and conditions are building.

Where do slippery jack grow in Perth and Kinross, Scotland?

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 Perth and Kinross, Scotland so you know when it is worth heading out.

How do I know slippery jack season has started in Perth and Kinross, Scotland?

The start moves from year to year with the weather, and the first flushes usually appear somewhere in the August to November window. The clearest sign is the live forecast lifting off zero into ‘just starting’ or ‘building‘. For Perth and Kinross, Scotland it currently sits at 24% and is building.

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.

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