Weeping moss

Vesicularia ferriei

Also known as Weeping willow moss, Vesicularia sp. 'Weeping'

FreshwaterMossCuttingsSide shoots

Care at a glance

Light
Low light
CO2
CO₂ beneficial
Growth rate
Slow
Placement
Epiphyte
Type
Moss
Temperature
59–86°F (15–30°C)
pH
5.0–7.5
Hardness
0–20 dGH
Max height
2 in (5 cm)
Spread
9.8 in (25 cm)
Nutrient uptake
Water column
Growth region
Submersed or emersed
Difficulty
Easy
Origin
China and southern Japan
Family
Hypnaceae

Overview

Attach it to driftwood, branches, or stone with thread or glue and let the shoots cascade, which shows off the weeping habit best on raised or overhanging hardscape. It grows slowly and feeds from the water column, so steady liquid fertilization matters more than substrate; CO2 is optional but tightens and speeds growth. Keep flow moving past it and thin the mat occasionally so the inner shoots do not rot or trap mulm.

In the wild

Originally imported from China and also found in southern Japan, where it grows on wet rocks covered in sandy soil and along moist riverbanks. It adapts well to permanent submersion in soft, slightly acidic to neutral aquarium water.

Good to know

Vesicularia ferriei is a true moss in the family Hypnaceae, named (Cardot & Thér.) Broth. Its defining trait is overhanging, frond-shaped shoots that droop downward like a weeping willow, with leaves that are more obtuse and rounded than the pointed tips of related Vesicularia species.

Did you know

Unlike most aquarium mosses that grow upward or outward, weeping moss naturally points its new growth downward, so it is often planted high on hardscape specifically to create a dripping, willow-like curtain.

Appears in

Low-light plants · Epiphytes · Mosses · Beginner plants

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