Ludwigia Mullertii

Ludwigia palustris × repens

Also known as Muellertii Ludwigia

Plantae›Tracheophyta›Magnoliopsida›Myrtales›Onagraceae

Ludwigia Mullertii is a hybrid stem plant known for its striking red-to-pink coloration on the undersides of leaves, especially under high light. It features narrow, lance-shaped leaves and a moderately fast growth rate, making it an excellent choice for mid-to-background placement in planted aquariums. This cultivar is more forgiving than some Ludwigia species and responds well to fertilization and CO2 supplementation.

At a glance

CO₂: recommended
Growth: Fast
Placement: midground
Temp: 68–82°F; 20–28°C
pH: 6.0-7.5
GH: 36–143 ppm; 2–8 dGH

Ammonia 0 ppm and nitrate under 20 ppm.

Compatible livestock

See all 5

Amano Shrimp

Non-destructive algae eaters that won't uproot or damage stems

excellent

Ember Tetra

Small, peaceful schooling fish that won't disturb plant roots

excellent

Dwarf Gourami

Peaceful mid-water dweller; may occasionally nibble soft plant tips but generally compatible

good

Otocinclus

Algae-eating bottom dweller that helps maintain plant health by controlling algae

excellent

Red Cherry Shrimp

Gentle scavengers that won't uproot or damage plant tissue

excellent

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Common diseases 4Melt on Transition, Iron Deficiency (Chlorosis), Algae Overgrowth on Leaves, Nutrient Deficiency (Macronutrients)

Melt on Transition

Symptoms

Leaves become translucent, mushy, and fall off when plant is first introduced or conditions change drastically

Treatment

Gradually acclimate plant to new water parameters; ensure stable lighting, temperature, and nutrient levels; trim affected leaves and maintain water quality

Iron Deficiency (Chlorosis)

Symptoms

Yellowing of new leaves while veins remain green; stunted growth; pale coloration loss

Treatment

Dose with liquid iron fertilizer (chelated iron); increase macronutrient fertilization; ensure adequate lighting to promote nutrient uptake

Algae Overgrowth on Leaves

Symptoms

Green, brown, or black algae coating leaf surfaces; reduced photosynthesis and plant vigor

Treatment

Increase water circulation; reduce lighting duration if excessive; add algae-eating fauna (Amano shrimp, Otocinclus); perform manual removal; consider algaecide if severe

Nutrient Deficiency (Macronutrients)

Symptoms

Slow growth; pale or yellowing leaves; weak stem development; poor red coloration

Treatment

Dose with comprehensive liquid fertilizer containing nitrogen, phosphorus, and potassium; consider root tabs for substrate; increase water change frequency to replenish nutrients

Legality

No state or federal restrictions on record.

Not legal advice, and possibly incomplete or out of date. Rules vary by state and change over time; check with your state wildlife or agriculture agency before buying, keeping or shipping it.

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