Why are the leaves on my Cryptocoryne Lutea melting away?

This is known as 'Crypt melt', a common reaction to a change in environment, temperature, or lighting. The plant sheds its old leaves to conserve energy. Leave the roots planted; it will regrow new leaves adapted to your tank within a few weeks.

Does Cryptocoryne Lutea need CO2 injection?

No, it is a very undemanding plant that grows perfectly well in low-tech setups without supplemental CO2, although CO2 will slightly increase its naturally slow growth rate.

How do I plant Cryptocoryne Lutea?

Plant the roots directly into the substrate, ensuring the crown (where the roots meet the stems) is slightly exposed above the soil line to prevent rotting.

How big does Cryptocoryne Lutea grow?

It typically reaches between 10 cm and 20 cm in height, making it an excellent choice for the midground of most aquariums or the background of very small nano tanks.

Can I attach this plant to wood or rocks?

Unlike epiphytes such as Anubias or Java Fern, Cryptocoryne species are strict root feeders and must be planted deep into a substrate to survive and thrive.

FreshwaterPlantsBeginner

Cryptocoryne Lutea

Cryptocoryne walkeri

A hardy, resilient midground rosette plant native to Sri Lanka, famous for its tolerance of low light and undemanding care requirements.

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Ideal Conditions

Temperature: 20 – 28 °C
pH range: 6 – 7.5
Hardness: 2 – 15 dGH
Adult size: 10 – 20 cm
Nano tank: 20 litres+
Lifespan: 2 – 5 years
Diet: Root tabs and liquid fertiliser
Water flow: low to moderate
Preferred setup: Nutrient-rich substrate such as aquasoil or gravel with root tabs.

About the Cryptocoryne Lutea

Widely traded under its synonym Cryptocoryne lutea, Cryptocoryne walkeri is a highly sought-after aquarium plant valued for its structural beauty and low-maintenance nature. In the aquarium, it forms dense clusters of elegant, lanceolate leaves that provide superb contrast against brighter green flora. Its robust root system makes it relatively sturdy once established, although it requires a settling-in period to adapt to new water chemistry. This plant thrives in 'low tech' environments, making it an enduring favourite among both novice and experienced aquascapers.

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Is it right for your tank?

Check Cryptocoryne Lutea against a habitat you already keep. We compare water type, temperature, pH, adult size, group needs and everything living there.

Where Cryptocoryne Lutea comes from

Native range

South Asia

Countries / regions

Sri Lanka

Habitat

Fast-flowing streams, river margins, and marshlands, growing both submerged and emerged depending on seasonal rainfall.

Primarily endemic to the central and wet zones of Sri Lanka.

Similar species

Cryptocoryne wendtii
Cryptocoryne wendtii
Cryptocoryne beckettii
Cryptocoryne beckettii
Cryptocoryne undulata
Cryptocoryne undulata

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Neon Tetra
Paracheirodon innesi
Small, peaceful shoaling fish that will not damage the plant and appreciate the cover provided by its broad leaves.
Great
Cherry Shrimp
Neocaridina davidi
Excellent scavengers that carefully graze biofilm and algae from the plant's surface without harming the tissue.
Great
Corydoras
Corydoras spp.
Generally safe, but boisterous foraging behaviour can uproot newly planted, unestablished specimens.
Compatible with caution
Silver Dollar
Metynnis argenteus
Herbivorous fish that will actively consume the broad leaves, rapidly destroying the plant.
Not recommended
Oscar
Astronotus ocellatus
Large, destructive cichlids prone to digging, which will completely uproot and ruin rosette plants.
Not recommended

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