Why are the leaves on my Aponogeton crispus melting away?

Leaf melt is common when the plant is first introduced to a new tank as it acclimates to different water parameters. It can also occur if the bulb has exhausted its nutrient reserves. Do not throw the bulb away; ensure it is planted in a nutrient-rich substrate, and it should sprout new leaves in a few weeks.

Do I need to bury the bulb completely?

No, you should never bury the bulb entirely. Plant it so that the bottom two-thirds are in the substrate and the top third (where the shoots emerge) is exposed to the water. Burying it completely can cause the bulb to rot.

Does Aponogeton crispus require a dormant resting period?

While many Aponogeton species require a strict resting period where the bulb must be stored in cool water, A. crispus is an exception. In the aquarium trade, most strains will grow continuously year-round without needing to be removed for dormancy.

Should I trim the flower stalk?

If you do not plan to harvest seeds, it is highly recommended to trim the flower stalk as soon as it appears. Producing flowers requires a massive amount of the plant's energy, which can cause leaf growth to slow down or halt entirely.

How large does Aponogeton crispus get?

Under good conditions, the leaves can easily reach lengths of 30 to 50 cm. It is best suited for the background of most aquariums, as the leaves will stretch to float elegantly across the water's surface.

FreshwaterPlantsBeginner

Aponogeton Crispus

Aponogeton crispus

Aponogeton crispus is an elegant, fast-growing tuber plant from Sri Lanka, celebrated for its long, heavily ruffled green leaves.

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Ideal Conditions

Temperature: 15 – 32 °C
pH range: 6 – 7.5
Hardness: 2 – 15 dGH
Adult size: 30 – 50 cm
Min. volume: 40 litres+
Lifespan: 2 – 5 years
Diet: Photosynthetic and nutrient absorption
Preferred setup: Nutrient-rich substrate with the bulb partially exposed to prevent rotting.

About the Aponogeton Crispus

Hailing from the warm waters of Sri Lanka, Aponogeton crispus is a quintessential aquarium plant that has graced planted tanks for decades. It grows from a starchy bulb, sending up a dramatic rosette of elongated, translucent leaves with beautifully crimped or ruffled margins. When mature, it forms an impressive focal point that can easily stretch to the water's surface, making it ideal for the midground or background of larger aquariums. Its architectural texture adds a stunning visual contrast against finer-leaved background plants.

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Where Aponogeton Crispus comes from

Native range

South Asia

Countries / regions

Sri Lanka

Habitat

Submerged in shallow, seasonal ponds, lakes, and slow-moving streams, often rooted in mud or sandy substrates enriched with organic matter.

Endemic to Sri Lanka, though widely cultivated in the global aquarium trade.

Similar species

Madagascar Lace Plant
Aponogeton madagascariensis
Aponogeton ulvaceus
Aponogeton ulvaceus
Aponogeton boivinianus
Aponogeton boivinianus
Cryptocoryne crispatula
Cryptocoryne crispatula

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
Peaceful, small fish that appreciate the cover provided by the broad, ruffled leaves without damaging them.
Great
Corydoras Catfish
Corydoras spp.
Gentle bottom dwellers that will forage around the base of the plant without uprooting the established bulb.
Great
Amano Shrimp
Caridina multidentata
Excellent scavengers that will clean algae off the plant's delicate leaves without eating the plant tissue itself.
Great
Silver Dollar
Metynnis argenteus
Herbivorous fish that will rapidly consume the soft, translucent leaves of the Aponogeton.
Not recommended
Oscar
Astronotus ocellatus
Large, destructive cichlids known for digging and aggressively uprooting plants, which will easily dislodge the bulb.
Not recommended

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