Bay Bolete in Genève: the week ahead

Imleria badia

The map below is built from the measurement network. A 2.5 km grid with a per-species layer is computed for one region so far.

Today

Bay Bolete
Starting

confidence 50%

Flush phase

  1. Quiet
  2. Starting
  3. Building
  4. Peak
  5. Fading

Updated 17 September 2026, 11:22 BST

7 days

Index, day by day

Week's best 29on Thursdayaverage 23by the weekend falling

Conditions are poor: even the week's best day only reaches «slow».

  1. Today2917 Sept
  2. Fri2918 Sept
  3. Sat2519 Sept
  4. Sun2020 Sept
  5. Mon2021 Sept
  6. Tue2022 Sept
  7. Wed1923 Sept

Numbers are taken at the measurement point nearest the centre of the region — a real calculation at one place, not an average over the area.

Map

Where to look: bay bolete

A field over the measurement network. The colour here is for the leading species at each point, not for this one; a per-species layer is computed for one region so far.

About the species. Edible when correctly identified and cooked. The pores and flesh may turn blue when bruised or cut; this is normal. Bay Bolete can accumulate radiocaesium more readily than some other boletes. In areas where local authorities issue advice about radioactive contamination, follow that advice and consider choosing other species. Avoid polluted ground such as roadsides and former industrial sites.

Bay Bolete in Genève: where to look

Bay Bolete — botanical illustration

Bay Bolete: the species in brief

How to tell it

The cap is chestnut to bay brown, usually dry or slightly velvety. The pores are pale when young and bruise blue-green when pressed. The stem is fairly even and lacks the raised net-like pattern seen on Penny Bun.

Where it grows

Mostly in coniferous woodland, especially with pine and spruce, often among moss and leaf litter. Widespread across Europe.

In the kitchen

Good fried, dried or preserved. The blue colour usually fades during cooking.

Nutrition

Low in calories and a modest source of protein. Values vary with age, water content and growing conditions.

This is a note about the species, not about what is in your basket. Full card with lookalikes →

What else is out here now

The other species in this region, by today's index.

Bay Bolete in neighbouring regions

A regional boundary means nothing to a mushroom, and the next region is sometimes closer than the far side of your own. The index is for today.