Care Guide
Mondo grass
Ophiopogon Japonica Kyoto Dwarf
Care at a Glance
Lighting
Moderate
Growth Rate
Moderate
Growth Form
Rosette
Placement
Fore-midground
True Aquatic
Terrarium/bog plant
Available As
Bare root
About This Plant
This attractive, slender leaved plant is smaller than the species, and suitable for use closer to the front of the terrarium.
Quick-Reference Details
- Common name
- Mondo grass
- Scientific name
- Ophiopogon Japonica Kyoto Dwarf
- Family
- Liliaceae
- Native to
- Asia
- Difficulty
- Advanced
- Requirements
- Undemanding if grown terrestrially
- Lighting
- Moderate
- Growth rate
- Moderate
- Growth form
- Rosette
- Placement
- Fore-midground
- True aquatic
- Terrarium/bog plant
- Available as
- Bare root
Difficulty — Advanced
Performs best with strong lighting, CO2 supplementation, and stable water parameters. Not recommended as a first plant.
CO2 & Fertilization
CO2 is optional. Growth improves with supplementation, but the plant survives and stays presentable without it.
Tank Size & Setup
Plan for at least 20 gallons. Rosette plants spread a foot or wider once established and need vertical room.
Aquascaping & Placement
Place in the midground between foreground carpets and tall background stems. The structure adds visual depth and shelters small fish and shrimp. Plant the root crown just at the substrate surface. Burying the crown causes the plant to push itself back up over a few days.
Tank-Mate Compatibility
Best suited to paludariums, riparium displays, and pond margins rather than fully submerged community tanks.
Common Care Issues
Decline after a few months underwater
This species is not a true aquatic and slowly declines when permanently submerged. Move it to a humid emersed setup (paludarium, terrarium, pond margin) for several months to rejuvenate.
Slow initial growth
Most aquarium plants pause for 2-4 weeks after planting while they convert from their nursery-grown emersed form to fully submerged growth. New leaves that emerge underwater will look thinner and slightly different — this is the plant adapting, not a problem.
Frequently Asked Questions
How much light does Mondo grass need?
Mondo grass (Ophiopogon Japonica Kyoto Dwarf) prefers moderate lighting. A standard planted-tank LED fixture run 7-9 hours a day is typical.
Does Mondo grass need CO2?
CO2 is optional. Growth improves with supplementation, but the plant survives and stays presentable without it.
Is Mondo grass good for beginners?
Mondo grass is rated advanced-level. Performs best with strong lighting, CO2 supplementation, and stable water parameters. Not recommended as a first plant.
How fast does Mondo grass grow?
Growth rate is moderate. Most aquarists trim every 3-4 weeks under standard conditions.
What fish and invertebrates are compatible with Mondo grass?
Best suited to paludariums, riparium displays, and pond margins rather than fully submerged community tanks.
Can Mondo grass live fully submerged long-term?
No. Mondo grass is not a true aquatic plant and slowly declines after a few months underwater. Use it as a temporary display piece in an aquarium, or grow it permanently in a paludarium, riparium, or pond margin where the leaves can reach air.
Available to Purchase
Mondo grass — $19.99
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