Moss - 🌱 Bryum Capillare 🌱

    I saw this very pretty moss in the middle of the road, and since i liked it, i decided to try an experiment here. I'll try replanting it in a pot and see if the moss spreads throughout the entire pot.

After thorough research, i believe the species of this moss is BRYUM CAPILLARE.

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Fig.1 - Moss caught in the middle of the road.
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Fig.2 - Moss caught in the middle of the road II.

Bryum capillare – Overview

    Bryum capillare is a very common acrocarpous moss, naturally found on walls, rooftops, compacted soils, and plant pots. It forms small, dense cushions with a soft, decorative appearance and is highly appreciated in terrariums, kokedamas, and natural arrangements.

Main characteristics:

  • Type: Acrocarpous moss (grows in compact tufts);
  • Color: Bright green when hydrated, dark green to brownish when dry;
  • Leaves: Small, lanceolate, with a well-defined central nerve;
  • Growth: Slow to moderate;
  • Height: Usually up to 1–3 cm;
  • Resilience: Highly resistant to desiccation (enters dormancy and recovers when rehydrated);
  • Reproduction: By spores (often visible as reddish capsules).

Light:

  • Prefers indirect light or bright shade;
  • Tolerates weak sunlight (early morning), but avoid strong direct sun;
  • Excess light → moss dries out and may turn brown.

Watering and humidity:

  • Likes constant humidity, but not waterlogged conditions;
  • Ideal watering:
    • Regular misting (1–3 times per week, depending on climate);
    • Chlorine-free water (rainwater, RO water, or dechlorinated water).
  • Long periods of complete dryness can slow growth.

Temperature:

  • Ideal range: 10–25 °C;
  • Tolerates cold and light frost;
  • Does not appreciate intense heat and prolonged dry air.

Substrate:

  • Poor, slightly acidic substrates;
  • Simple mix: topsoil + fine sand or peat;
  • Also grows well on stone, clay, or bark.

Ventilation:

  • Important to avoid stagnant, stuffy environments;
  • Good air circulation reduces fungi and algae.

Fertilization:

  • Do not fertilize;
  • Excess nutrients promote algae growth and can kill the moss.

Common problems:

  • Turns brown: too much sun or lack of humidity;
  • Slimy green algae: excess water + poor ventilation;
  • Stalled growth: insufficient light or long dry periods.

Extra tips:

  • Can be gently trimmed to maintain a compact appearance;
  • Ideal for decorative pots, bonsai, open terrariums, and Zen gardens;
  • Recovers very well after drying — simply rehydrate.

Here is a photograph of the current situation, recently replanted.

Fig.3 - Moss planted in a pot on January 2nd, 2026.

    It is essential that the moss is always kept very moist, so it should be watered as soon as it is replanted.

P.S. - The watering can was also 3D printed.

Fig.4 - Watering the moss.

This experience begins on January 2nd, 2026.

Regardless of what may happen, I insist on posting an update here with photographs.......

Fig.5 - January 24, 2026.

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