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Plant Freshwater Care: easy

Bacopa Australis

Bacopa australis
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Other names: Australian bacopa
Group: Stem plants · Family: Plantaginaceae · Origin: Southeastern Australia

A versatile bacopa with small, round, light green leaves that grows upright or creeps along the substrate depending on light. It forms dense clumps in the midground and a low cover in strong light.

Last updated October 16, 2026

Temperature
18–28°C
pH
6–7.5
Hardness
2–12 dGH
Light
Medium
CO₂
Beneficial
Growth
Medium
Placement
Midground
Height
Up to 20 cm

Water parameters

Temperature18–28°C
pH6–7.5
General hardness (GH)2–12 dGH
Recommended range

Overview

October 16, 2026 · Suggest an edit

Bacopa australis is a bacopa from southeastern Australia with much smaller, rounder leaves than its relative B. caroliniana. The light green leaves are arranged in opposite pairs on thin stems. Its growth form changes with light: in medium light it grows upright and builds dense clumps in the midground; in strong light, however, the stems lie down and creep along the substrate, forming a low cover. It is an easy plant and also grows in an aquarium without CO₂.

Planting and Placement

October 16, 2026 · Suggest an edit
  • Stems are planted in small groups of 3–5, 2–3 cm apart and 2–3 cm deep.
  • It is used in the midground, at the base of stones and wood, or in the transition zone to the foreground.

Care and Fertilization

October 16, 2026 · Suggest an edit
  • Light: Medium; in strong light it grows lower and more spreading.
  • CO₂: Not required, but beneficial.
  • Fertilizer: Regular liquid fertilizer is enough.
  • Trimming: The more it is clipped from the top, the more side shoots it produces and the denser the clump becomes.

Propagation

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Common Problems

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Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026