DIFFICULTY Advanced

Benefits from more deliberate care.

LIGHT Very High

Around 10 hours is a useful starting point.

CO₂ Optional

Injection is not normally necessary.

GROWTH Medium

Weekly trimming needs.

PLANT OVERVIEW

About Ludwigia sedioides

A floating rosette forming striking diamond-leaf mosaics.

The mosaic plant floats a rosette of diamond-shaped leaves in a geometric pattern across the surface. It's grown as a surface feature rather than a submersed plant, wants bright light and warmth, and can be finicky to establish.
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 placementFloating
Typical height1–3 in
Typical width8 in
Suggested minimum tank10 gal
Suggested tank height12 in+
LIGHT + CO₂

Energy demand

Ideal lightVery High
Photoperiod range8–12 hr
Approx. PAR50–130
Injected CO₂Optional
CO₂ benefitLow
NUTRITION

Where it feeds

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

Useful parameter range

Temperature70–82°F
pH6–7.5
GH3–15 dGH
KH1–10 dKH
PLANTING

How to plant it.

Substrate: Nutrient-rich substrate

Plant stems individually; brighter light and iron deepen the red.

GROWTH + PROPAGATION

What to expect after planting.

Propagation

Stem cuttings

Acclimation

Colors up as it converts to submersed growth under good light.

COMMON PROBLEMS

What usually goes wrong.

Stays green and leggy in low light; needs iron and light for red tones.