Cryptocoryne Retrospiralis

Quick facts

Identity

Also known as

Crypt Spiralis; Spiral Crypt

Synonyms

Cryptocoryne spiralis var. retrospiralis

Environment

Freshwater

Native to

India, Myanmar, Thailand

Habitat

Streams and slow rivers in lowland forest, seasonally inundated pools, and riverbanks submerged only at high water; moves between submersed and emersed growth through the year

Sourcing

Aquacultured

Conservation

Not Evaluated

Care

Care level

Easy

Growth form

Rosette

Max height

6 – 24 in (15 – 61 cm)

Spread

6 in (15 cm)

Growth rate

Slow

Placement

Background, Midground

Water

Temperature

68 – 82 °F (20 – 28 °C)

pH

6.0 – 7.5

GH

2 – 18 dGH

PAR

40 – 70 PAR

Flow

Low-Moderate

Light

Low

CO₂

Beneficial

Planting

Substrate

Nutrient-rich preferred

Feeds from

Roots

Fertilizer needs

Medium

Colors

Green, Brown

Feeding & breeding

Propagation

Runners

Something wrong or missing? Submit a correction

Care guide

Overview

Long, narrow leaves twist into a loose corkscrew and develop a hammered texture as they mature, shifting from emerald green toward olive and bronze under stronger light. This background rosette grows slowly to 10-24 inches and spreads by runners, tolerating low light without CO2. Melt is common after planting or disturbance but resolves once roots and crown settle.

Care

A tall, narrow-leaved crypt that gives a vertical accent at the back of the tank, with leaves that twist into a loose corkscrew and develop a hammered texture as they mature. It tolerates low to medium light and does not need CO2, though both light and CO2 supplementation speed up growth and deepen leaf color from green toward olive and bronze. Once planted with the root crown at the substrate surface, it should be left undisturbed, since uprooting triggers another round of melt.

Planting & trimming

Plant the root crown just at the substrate surface rather than burying it, since a buried crown will push itself back up over several days. Space individual plants or small clusters a few inches apart along the back wall of the tank to let the reed-like leaves fan out and catch light and flow. It can also be grown emersed in a paludarium riverbank setup, where it may flower above the waterline.

Fertilizing

Feeds mainly through its roots, so a nutrient-rich substrate such as aqua soil or a couple of inches of root tabs pushed near the base is more important than water column dosing. A weekly all-in-one liquid fertilizer helps fill in trace elements, particularly iron, if the substrate alone is not enough. Yellowing leaves, holes, or stalled growth are usually signs of a nutrient shortfall rather than disease.

Propagation

Propagates vegetatively by sending up plantlets from runners off the parent rhizome. Once a daughter plant has developed its own root system, it can be gently separated with a sharp trim and replanted elsewhere in the substrate. Flowering and seed propagation are essentially unknown in cultivated stock, so runner division is the only practical method.

Problems

New specimens commonly melt within days to weeks of introduction as they shed emersed-grown leaves and switch to a submersed form; this is a normal transition and not a sign of disease as long as the roots and crown remain intact. Melt can recur if the plant is moved or subjected to a sudden swing in temperature, hardness, or pH, so stability matters more than any single parameter. Excess light without matching nutrients tends to cause algae fouling on the older, slower-growing leaves rather than harming the plant directly.

Sources

1. Cryptocoryne retrospiralis care: light, CO2 and placement · TankBud
2. Retrospiralis Crypt Aquarium Plant Profile | TankFlare
3. Cryptocoryne retrospiralis (Cryptocoryne Retrospiralis) Care Guide
4. Cryptocoryne Retrospiralis Care Guide | Melbourne Tropical

More Crypts

Cryptocoryne Affinis RedCryptocoryne Albida CostataCryptocoryne AponogetifoliaCryptocoryne AxelrodiCryptocoryne BalansaeCryptocoryne Beckettii