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Plant Freshwater Care: easy

Banana Plant

Nymphoides aquatica
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Other names: Nymphoides aquatica, Banana lily, Big floatingheart
Group: Rosette and bulb plants · Family: Menyanthaceae · Origin: North America — southeastern United States

A small water lily-like plant with green storage roots at its base that resemble a bunch of bananas, producing round, heart-shaped leaves. The bananas are not buried; they are left on top of the substrate.

Last updated October 16, 2026

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

Water parameters

Temperature20–28°C
pH6–7.5
General hardness (GH)2–12 dGH
Recommended range

Overview

October 16, 2026 · Suggest an edit

The banana plant is a small plant from the lakes and swamps of the southeastern United States that resembles water lilies but belongs to a separate family. It takes its name from the thick, green storage roots at its base, which look like a small bunch of bananas. Underwater it produces small, round, heart-shaped leaves and, over time, floating leaves on long stalks.

Planting and Placement

October 16, 2026 · Suggest an edit

Do not bury the "bananas": the plant is set on top of the substrate, or only the tips of the bananas are pressed lightly into it. The fine roots will grow down into the substrate on their own. Buried bananas can rot. It is used alone in the foreground or midground.

Care and Fertilization

October 16, 2026 · Suggest an edit
  • Light: Medium.
  • CO₂: Not required, but it supports growth.
  • Fertilizer: A small piece of root tab next to the roots.
  • If you want the plant to stay low, cut leaves reaching for the surface at the base. Daughter plants may form over time on the stalks of the floating leaves.

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