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Aquatic Plant Encyclopedia

Encyclopedia of popular aquatic plants with care guides, traits, and aquascaping tips.

Showing 4 of 127 species

Japanese pond lily

Nuphar japonica

Intermediate

A Japanese aquatic plant that raises thick, arrow-shaped leaves above the water and bears yellow cup-shaped flowers in summer. Its name ('river bone') comes from the thick white rhizome. It has declined widely and is red-listed in many prefectures.

Native to JapanBiotopeFlowering

Pygmy water lily

Nymphaea tetragona

Intermediate

Japan's only native water lily, bearing small white flowers 3–7 cm across on the water surface, with red-purple leaf undersides. Its name refers to the 'hour of the sheep' (about 2 pm) when it is said to open. It has declined widely, so avoid wild-collected plants.

Native to JapanBiotopeFlowering

Sacred lotus

Nelumbo nucifera

Intermediate

An aquatic plant that raises round, water-repellent leaves 40–50 cm across above the water and opens large white or pink flowers in summer. Its rhizome is the lotus root, and dwarf 'bowl lotus' cultivars can be grown in pots and jars.

BiotopeFloweringContainer plant

Water lily

Nymphaea spp.

Intermediate

The water lilies of the genus Nymphaea, with notched round leaves floating on the water and large flowers. They divide into cold-hardy temperate lilies and tropical lilies that hold blue or purple flowers above the water, with numerous hybrid cultivars.

BiotopeFloweringFloating-leaved

Aquatic Plant FAQ

How much do aquatic plants cost?
Common Rotala and Anubias cost 300-1,000 yen, Bucephalandra 1,000-5,000 yen, and rare wild-collected specimens 5,000-20,000+ yen depending on species.
Can beginners grow aquatic plants?
Anubias Nana and Java Moss require no CO2 injection and grow in low light, making them ideal for beginners. Start with hardy shade-loving plants.
What equipment is needed for aquatic plants?
A tank, LED light, filter, and aqua soil are the basics. For advanced layouts, CO2 injection and high-performance lighting significantly improve growth and coloration.
What should I check when buying aquatic plants?
Ensure leaves are green and healthy, not melting or dying, and free of snails or pests. Tissue-cultured cups are pest-free and reliable.
Why do aquatic plants die?
Insufficient light, CO2, or nutrients are the main causes. Each species has different requirements, so matching the environment to your specific plants is essential.