Mattias Berg

October 15, 2026 · 7 min

Lichens that grow only on old trees

A magnifier, a frosted branch and what a tiny plant says about a very old wood.

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Slow Seasons

A free letter every Thursday from the cabin: one place, one thing noticed and one thing to try.

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Slow Seasons, every Thursday

A free letter every Thursday from the cabin: one place, one thing noticed and one thing to try.

One email every Thursday. Unsubscribe any time.

Mattias standing at a frozen lake edge with mountains behind
Fig. 1. Where the last eight letters were written
  1. Seasons · Oct 22, 2026 · 6 min readTea in a hut at duskA wooden hut, a kettle and the half hour when the light goes blue.
  2. Seasons · Oct 8, 2026 · 6 min readSkiing through birch in pink lightA slow morning on skis, with a few notes on why birch bark turns pink.