DIFFICULTY Moderate

Benefits from more deliberate care.

LIGHT High

Around 10 hours is a useful starting point.

CO₂ Recommended

Can grow without it, but responds noticeably to supplementation.

GROWTH Fast

Weekly trimming needs.

PLANT OVERVIEW

About Rotala rotundifolia 'Bonsai'

A dwarf, tightly-noded rotala for compact midground bushes.

Bonsai' is a miniature rotundifolia with very short internodes and small leaves, forming dense low mounds rather than tall stems. Excellent for nano midgrounds and detailed scapes under good light and CO2.
Shrimp friendly Nano suitable High-tech suitable
CARE PROFILE

What this plant needs.

The useful numbers and practical notes, grouped around how you actually keep the plant.

TANK FIT

Placement + size

Primary placementMidground
Typical height2–6 in
Typical width2 in
Suggested minimum tank10 gal
Suggested tank height12 in+
LIGHT + CO₂

Energy demand

Ideal lightHigh
Photoperiod range8–12 hr
Approx. PAR40–100
Injected CO₂Recommended
CO₂ benefitHigh
NUTRITION

Where it feeds

Root feedingLow
Water-column feedingHigh
Overall fertilizer demandHigh
Iron demandHigh
MicronutrientsModerate
WATER

Useful parameter range

Temperature70–82°F
pH5.5–7
GH1–12 dGH
KH0–8 dKH
PLANTING

How to plant it.

Substrate: Nutrient-rich substrate

Plant stems individually with space; replant trimmed tops to thicken the group.

GROWTH + PROPAGATION

What to expect after planting.

Propagation

Stem cuttings

Acclimation

Submersed leaves differ from emersed stock; expect a transition after planting.

COMMON PROBLEMS

What usually goes wrong.

Lower leaves drop and color fades without strong light, CO2 and iron.