DIFFICULTY Moderate

Benefits from more deliberate care.

LIGHT Very High

Around 10 hours is a useful starting point.

CO₂ Recommended

Can grow without it, but responds noticeably to supplementation.

GROWTH Fast

High trimming needs.

PLANT OVERVIEW

About Rotala Hra

A variant of Rotala rotundifolia that turns intensely orange-red.

Rotala 'Hra' is famous for its vibrant orange and red colors and its tendency to grow horizontally and creep along the substrate under high light.
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 height4–16 in
Typical width4 in
Suggested minimum tank10 gal
Suggested tank height18 in+
LIGHT + CO₂

Energy demand

Ideal lightVery High
Photoperiod range8–12 hr
Approx. PAR40–120
Injected CO₂Recommended
CO₂ benefitHigh
NUTRITION

Where it feeds

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

Useful parameter range

Temperature68–82°F
pH6–7
GH2–10 dGH
KH2–8 dKH
PLANTING

How to plant it.

Substrate: Nutrient-rich substrate

Plant in groups.

GROWTH + PROPAGATION

What to expect after planting.

Propagation

Stem cuttings

Acclimation

Adapts quickly.

COMMON PROBLEMS

What usually goes wrong.

Requires trimming to stay bushy.