DIFFICULTY Easy–Moderate

A forgiving choice for newer planted tanks.

LIGHT Moderate

Around 9 hours is a useful starting point.

CO₂ Optional

Injection is not normally necessary.

GROWTH Fast

Weekly trimming needs.

PLANT OVERVIEW

About Rotala rotundifolia 'Green'

An easy, fast green stem that bushes out readily.

The green form of Rotala rotundifolia is one of the most beginner-friendly stems: fast, adaptable, and happy to grow even without CO2. Regular topping produces a dense, feathery bush, making it a great first background plant.
Shrimp friendly Nano suitable Low-tech 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 placementBackground
Typical height6–16 in
Typical width2 in
Suggested minimum tank10 gal
Suggested tank height12 in+
LIGHT + CO₂

Energy demand

Ideal lightModerate
Photoperiod range8–11 hr
Approx. PAR20–55
Injected CO₂Optional
CO₂ benefitModerate
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.