Cryptocoryne retrospiralis (C. retrospiralis)

Family Araceae: Araceae. N. Jacobsen is classified as a subspecies of Cr. cryspatula in modern nomenclature. homeland: Vietnam.

Among aquarists, the plant is widely distributed. Thick clumps of long, narrow leaves that range in color from dark green to olive and have a noticeable waviness form. The bushes reach a maximum height of 50 cm. The aquarium’s background should contain the plant. Growing it in a large container is preferable. Cryptocoryne grows all year long with steady, rapid growth. It doesn’t require a lot of maintenance conditions.

Cryptocoryne obverse spiralis is suitable for growing in tropical and moderately warm aquariums. Optimum maintenance temperature is 24 – 26 °C. When the temperature drops to 20 °C, growth slows down significantly. At temperatures above 27 °C, cryptocoryne grows very quickly, but at the same time requires mandatory additional feeding. The plant feels satisfactory in both soft and relatively hard water. In soft water with a slightly acidic reaction, this species is susceptible to cryptocoryne disease, t. e. with the slightest shift in pH, it can shed all its leaves. Stable growth is observed only in water with a hardness greater than 6° and with a neutral or slightly alkaline reaction. In such water, pH fluctuations are much smaller, and cryptocoryne tolerates them without visible damage to itself.

In terms of lighting requirements, the plant is not too picky. Long periods of shade are easily tolerated by it, but its leaves lose their waviness and become pale. Incandescent and LB-type fluorescent lamps are the best options for artificial lighting. Fluorescent lamps need to have a minimum power of 0.4 W per liter of volume in order to produce bright colors in the leaves, while incandescent lamps need to have a power of roughly three times that. Natural light is beneficial to the plant. There should be at least 12 hours of daylight each day.

You need rich soil to grow Cryptocoryne inverse spiralis. When a plant is planted in fresh soil deficient in organic matter, it takes a while for it to begin growing again until enough silt has accumulated. Add peat and clay to the new soil to hasten the plant’s adaptation to its new environment.

For the development of the cryptocoryne, the substrate’s characteristics are crucial. Its long-distance, creeping, cord-like rhizome readily disperses in soft soil with small particles. The rhizome rises to the surface of coarse-substrate soil. The plant has a relatively small root system, and it can survive with a soil layer as thick as 5 cm.

Under artificial conditions, the plant reproduces vegetatively, producing daughter plants on the rhizome. Young plants grow on the portion of the rhizome that remains after the mother plant is chopped off. The stepsons that are separated from the mother plant need to be well-formed; otherwise, they will not grow in their new location for a long time and may even perish in conditions with low soil nutrition, low lighting, and relatively low temperatures.

A paludarium can be used to grow cryptocoryne. The plant’s leaves shorten and lose their waviness in these circumstances. Cryptocoryne grows and reproduces considerably more quickly as a land plant. It blooms in ideal circumstances (between 26 and 28 °C and enough diffused lighting), but it does not produce seeds in unfavorable ones.

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The hardy and attractive aquarium plant Cryptocoryne retrospiralis is well-known for its long, spiral leaves, which lend an air of natural beauty to any submerged setting. This plant is an excellent option for both novice and seasoned aquarists due to its ease of maintenance. It is a great addition to both small and large aquariums because of its adaptability to different water conditions and low maintenance requirements. It also provides a lush, green backdrop that improves the overall appearance of your tank.

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