Origin: East Asia
Usage: Midground – Background
CO2: Low
Light: Medium – High
Care: Easy
Growth Form: Stem
Growth Rate: Fast
Height: 6 – 12”
Width: 1 – 1.5”
Temp: 55 – 80F
Cardamine lyrata, commonly known as Japanese cress, is a fast-growing and versatile aquarium plant native to East Asia, including Japan, China, and Korea. In the wild, it thrives along streams and in consistently moist environments, which makes it exceptionally well suited for both coldwater aquariums and tropical tanks kept at moderate temperatures. Its light green, kidney-shaped leaves grow along delicate creeping stems, creating a soft, natural appearance that contrasts beautifully with darker or broader-leaved plants. Easy to source and beginner-friendly, Cardamine lyrata is a popular choice for aquascapers seeking a dynamic plant that establishes quickly and adds movement to planted tanks.
This adaptable stem plant grows well without CO₂ injection, though supplemental CO₂ and adequate lighting encourage fuller growth and stronger stems. In cooler water around 68°F–72°F (20–22°C), leaf size tends to be larger, while warmer temperatures result in finer, smaller foliage. Cardamine lyrata naturally climbs and spreads by forming roots at its nodes, making propagation as simple as trimming and replanting cuttings into the substrate. It can be trained to grow over driftwood and hardscape for a dramatic nature-aquarium effect, or maintained as a lush midground bush with regular pruning. Its rapid growth, ease of care, and unique climbing habit make Cardamine lyrata an excellent choice for aquarists looking to add visual interest and contrast to their planted aquariums.
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