Many living things use a fallen log as a tiny, damp “apartment building,” especially in shady forests and gardens.

Common plants on a log

  • Mosses: Soft green carpets that love shade and moisture, often the first plants to coat a rotting log.
  • Liverworts: Small, flat, moss-like plants that spread across very damp, decaying wood.
  • Ferns: Their spores easily settle in the humus on decaying logs, so you often see small ferns sprouting from the top or sides.
  • Seedlings of trees and shrubs: In many forests, tiny spruce, hemlock, fir, alder, and other tree seedlings germinate on “nurse logs,” using the moist, rotting wood as a nursery.
  • Fungi (not plants, but often asked about): Mushrooms and bracket fungi are extremely common on logs and help break the wood down.

Why logs are good for plants

As a log rots, the wood breaks down into humus, a dark, nutrient‑rich material that behaves like a sponge.

That sponge holds water, stays cool and shaded, and traps falling leaves and spores, creating a perfect mini‑bed for mosses, ferns, and tree seedlings to root and grow.

If you see a mossy log with baby trees growing in a row along the top, you’re probably looking at a classic “nurse log” quietly raising the next generation of the forest.

Information gathered from public forums or data available on the internet and portrayed here.