Encyclopaedia

PlantFreshwaterIntermediate
©AI Generated·Proprietary

Echinodorus 'Aseng'

Echinodorus 'Aseng'

Echinodorus 'Aseng' is an intensely compact, dwarf hybrid showcasing rigid apple-green foliage, providing a highly disciplined and dense midground rosette display.

Taxonomy
Class:Liliopsida
Order:Alismatales
Family:Alismataceae
Genus:Echinodorus
Species:Echinodorus 'Aseng'

Share

Check out Echinodorus 'Aseng' on Atlarium

PracticeRecognition quizzesPhotos, names, origins, and puzzles to review Atlas species.Open quizzes
Water Temperature

20 - 28 °C

pH Value

6 - 8

Water type

Freshwater

Light

Medium

CO2

Low

Expected height

30 cm

Expected width

20 cm

GH

4 - 20 dGH

KH

0 - 21 dKH

Species description

Geographical Origin and Habitat: This specific botanical cultivar does not exist in the wild. Echinodorus "Aseng" is an exceptionally compact, highly stabilized commercial hybrid created specifically for the aquarium trade, likely originating from prominent Southeast Asian aquatic nurseries. It was meticulously crossbred from wild South American Amazon Sword stock to solve the issue of giant species outgrowing small tanks. In the aquarium, it behaves perfectly like a wildly resilient, deeply rooted amphibious rosette plant.
Taxonomy & Genetics: Scientifically classified within the Alismataceae family, "Aseng" is a highly prized, modern dwarf cultivar in the global aquascaping hobby. Taxonomically, it is a complex hybrid. Genetically, it inherited the classic, indestructible survival traits of standard Amazon Swords, but completely suppressed the genetic markers that cause massive vertical growth. Instead, its genetics force the plant into a state of permanent dwarfism, demanding it produce a massive, hyper-dense quantity of small, intensely bushy leaves.
Physical Structure: The architectural structure of the "Aseng" sword is incredibly dense, deliberately compact, and highly bushy. It is a true rosette plant completely lacking vertical stems. The foundation is a massive, thick, tuberous subterranean rhizome that deploys an aggressive, incredibly deep-reaching white root system. The leaves erupt tightly from the crown on distinct, stiff petioles. The foliage is the defining structural feature: strictly lanceolate to ovate, exceptionally small for a sword plant (10-15 cm), and incredibly dense.
Color & Texture: The coloration is distinctly pure, intensely vibrant, and perfectly uniform. Grown submerged under standard lighting, the compact, rigid leaves are a solid, glowing bright apple-green to vivid emerald. Crucially, its genetics strictly suppress any red, bronze, or brown pigments; the plant remains an unwavering, solid bright green even under blasting high-intensity light. The texture is completely smooth, lacking any prominent dimpling or ripples, and the leaves feel surprisingly tough and leathery for their small size.

Care, breeding and tankmates

Lighting & CO2: It is an incredibly forgiving, highly adaptable hybrid perfectly suited for beginner, low-tech aquariums. It will effortlessly survive and maintain its bright green coloration in deeply shaded environments, though it may become slightly leggy. To force the plant to rapidly multiply its leaves and maintain its famous, aggressively dense, bushy rosette shape, medium LED lighting is recommended. Pressurized CO2 is completely unnecessary for its survival, but its addition drastically speeds up its overall growth and multiplies foliage.
Nutrition & Substrate: As a highly specialized, compact Amazon Sword hybrid, "Aseng" is an absolute, obligate root feeder. Its massive root system strictly demands a very deep (minimum 5 cm / 2 inches), highly mature, nutrient-dense substrate. It absolutely demands premium aquasoil heavily enriched with iron and macro-nutrient root tabs directly beneath the tuber to fuel its incredibly dense foliage production. If starved of root nutrients, the dense bright green leaves will quickly turn pale, turn violently yellow, and dissolve.
Water Chemistry: Originating from highly stabilized nursery conditions, it is practically invincible regarding standard water parameters. It thrives effortlessly in heated tropical aquariums (22-28°C) and is exceptionally adaptable, comfortably tolerating both soft, acidic blackwater and rock-hard, highly alkaline tap water (pH 6.0 - 8.0). The single most critical environmental requirement is absolute chemical stability. It drastically prefers stable, unchanging parameters over perfectly optimized ones. It demands moderate water flow to keep its dense core clean.
Space Management & Placement: Due to its deliberately compact size (rarely exceeding 10-15 cm height), intensely dense bushy habit, and brilliant bright-green color, "Aseng" is an elite, indestructible centerpiece for small (nano) aquariums, or a stunning midground transition plant in large tanks. It MUST be planted as a singular focal point directly in the midground. Because it grows as a dense, low-lying rosette, it provides a perfectly disciplined, bright-green focal point that will never overgrow the aquarium or aggressively shadow other plants.
Pruning: Pruning is a simple, highly necessary procedure to maintain its dense aesthetic. Never attempt to trim a rigid leaf in half; the cut edge will instantly turn black, rot, and destroy the aesthetic. To prune dead, yellowing, or algae-covered leaves, you must reach deep down into the absolute base of the dense rosette and cleanly snap or slice the stiff petiole directly at the crown. It rarely spreads via runners; instead, it slowly forms a massive, impenetrable, single-crowned bright green core.
Risks & Diseases: The absolute greatest threat to the "Aseng" sword is nutrient starvation and detritus buildup. Because the plant forms an incredibly dense, tight central rosette, it acts as a mechanical filter, trapping fish waste and debris deep within its core. If water flow is poor, this debris will rot, choking the crown and triggering catastrophic melting from the inside out. Secondly, because it produces so many leaves, it will violently strip the substrate of all nutrients and cannibalize itself if root tabs are not replenished.

Geographic Origin and Distribution

This specific botanical cultivar does not exist in the wild. Echinodorus "Aseng" is an exceptionally compact, highly stabilized commercial hybrid created specifically for the aquarium trade, likely originating from prominent Southeast Asian aquatic nurseries. It was meticulously crossbred from wild South American Amazon Sword stock to solve the issue of giant species outgrowing small tanks. In the aquarium, it behaves perfectly like a wildly resilient, deeply rooted amphibious rosette plant.

Origin

Selective breeding and cultivars
Varietà da Selezione / Cultivar

Plant profile

Placement
Midground
Echinodorus 'Aseng' is best utilized as a striking midground or background plant, depending on the size of the aquarium. Ensure adequate space is left around the base to prevent overcrowding and allow for proper water circulation. Solitary placement makes it an excellent focal point or centerpiece in a planted layout. Its bold texture contrasts beautifully with fine-leaved stem plants and low-growing carpeting species.
Botanical form
Rosette
Botanically, Echinodorus 'Aseng' typically exhibits a classic rosette form with leaves radiating from a central crown. The overall architecture of the plant provides excellent hiding spots for shy fish and aquatic invertebrates. A strong, extensive root system firmly anchors the plant in the substrate and supports its large canopy. The leaves are generally broad and gracefully shaped, held aloft on sturdy and resilient petioles.
Growth
Medium
The growth rate of Echinodorus 'Aseng' is generally moderate, but it can be accelerated under optimal conditions. Regularly trimming older, damaged, or algae-covered leaves encourages the plant to direct energy into fresh growth. Its growth may temporarily stall after transplanting while it focuses energy on establishing a new root system. Once fully established, it can send out runners or reliably produce several new leaves every week.
Substrate
High
A nutrient-rich substrate is highly recommended for Echinodorus 'Aseng' as it is a heavy root-feeder. Using a commercial aquasoil or a well-prepared dirted tank approach provides an excellent foundation. Compacted substrates should be avoided as they can stifle root growth and lead to anaerobic conditions. A deep substrate bed of at least 2-3 inches allows for proper and extensive root development.
Column fertilization
Recommended
While primarily a root feeder, Echinodorus 'Aseng' benefits significantly from supplemental water column fertilization. It is important to avoid over-dosing nitrogen in the water column to prevent excessive algae growth on the leaves. Iron and trace elements are particularly easily absorbed directly through the expansive leaf surfaces. Consistent water column dosing helps to quickly correct any minor nutrient deficiencies before they cause damage.
Root fertilization
Required
Root tabs are absolutely essential if Echinodorus 'Aseng' is kept in an inert or depleted substrate. Capsules or tablets should be placed deeply around the root zone every few months to replenish exhausted nutrients. Providing heavy root fertilization allows the aquarist to keep the water column leaner, discouraging algae. The expansive root system is incredibly efficient at seeking out and absorbing localized pockets of nutrients.
Trimming
Occasional
Trimming Echinodorus 'Aseng' is straightforward and involves pruning only the outermost, oldest leaves. Use sharp aquascaping scissors to cut the petiole as close to the crown as possible without damaging the center. Avoid snipping leaves in half, as the remaining portion will simply rot. Consistent pruning maintains a clean appearance and encourages the continuous emergence of new central shoots.
Propagation
Rhizome division
Propagation of Echinodorus 'Aseng' is most commonly achieved through adventitious plantlets that form on flowering stalks. If grown emersed, the plant may also produce viable seeds that can be germinated in moist soil. These newly separated plants should be planted directly into the substrate where they will quickly establish. Crown division requires careful handling to avoid excessive damage to the delicate central meristem.
Sensitivity
Moderate
Overall, Echinodorus 'Aseng' is quite hardy, but it can be sensitive to sudden, drastic shifts in water parameters. It may experience a period of melting when transitioning from emersed to submersed growth. During this acclimation phase, it is vital to keep water conditions stable and avoid uprooting the plant. It is also susceptible to spot algae if lighting is too intense without adequate CO2.
Layout role
Specimen
In an aquascape, Echinodorus 'Aseng' serves as a magnificent structural anchor or centerpiece. Its substantial leaf mass provides a bold texture that breaks up monotonous areas of fine foliage. It is highly valued in various layout styles for its dominant presence. When positioned correctly, it naturally draws the viewer's eye and adds a sense of maturity to the tank.

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

Recommendations grouped by close relatives, companion choices, and similar care.

Variants and close relatives

Same atlas type, nearby scientific identity, genus, or family.

Echinodorus 'Altlandsberg'

Echinodorus 'Altlandsberg'

Echinodorus 'Altlandsberg'

View details->
Echinodorus 'Apart'

Echinodorus 'Apart'

Echinodorus 'Apart'

View details->
Echinodorus 'Bambi'

Echinodorus 'Bambi'

Echinodorus 'Bambi'

View details->
Echinodorus 'Brauner Elefant'

Echinodorus 'Brauner Elefant'

Echinodorus 'Brauner Elefant'

View details->
Echinodorus 'Dark Beauty'

Echinodorus 'Dark Beauty'

Echinodorus 'Dark Beauty'

View details->
Echinodorus 'Devil's Eye'

Echinodorus 'Devil's Eye'

Echinodorus 'Devil's Eye'

View details->
Echinodorus 'Digital Art'

Echinodorus 'Digital Art'

Echinodorus 'Digital Art'

View details->
Echinodorus 'Dschungelstar' Nr. 1

Echinodorus 'Dschungelstar' Nr. 1

Echinodorus 'Dschungelstar' Nr. 1

View details->
Echinodorus tenellus

Echinodorus tenellus

Echinodorus tenellus

View details->
Echinodorus × barthii

Echinodorus × barthii

Echinodorus barthii

View details->
Echinodorus berteroi

Echinodorus berteroi

Echinodorus berteroi

View details->
Echinodorus 'Vesuvius'

Echinodorus 'Vesuvius'

Echinodorus 'Vesuvius'

View details->
Echinodorus uruguayensis

Echinodorus uruguayensis

Echinodorus uruguayensis

View details->
Echinodorus quadricostatus

Echinodorus quadricostatus

Echinodorus quadricostatus

View details->
Echinodorus argentinensis

Echinodorus argentinensis

Echinodorus argentinensis

View details->
Echinodorus rigidifolius

Echinodorus rigidifolius

Echinodorus rigidifolius

View details->

Recommended companions

Compatible cards from coherent ecosystems with matching parameters.

Orange dwarf crayfish (CPO)
Invertebrate

Orange dwarf crayfish (CPO)

Cambarellus patzcuarensis "Orange"

View details->
Ramshorn Snail
Invertebrate

Ramshorn Snail

Planorbella duryi

View details->
Swamp dwarf crayfish
Invertebrate

Swamp dwarf crayfish

Cambarellus puer

View details->
Black devil snail
Invertebrate

Black devil snail

Faunus ater

View details->
Black helmet nerite
Invertebrate

Black helmet nerite

Neritina pulligera

View details->
Diadem nerite snail
Invertebrate

Diadem nerite snail

Clithon diadema

View details->
Olive nerite snail
Invertebrate

Olive nerite snail

Vitta usnea

View details->
Red racer nerite snail
Invertebrate

Red racer nerite snail

Vittina waigiensis

View details->
Spiny nerite snail
Invertebrate

Spiny nerite snail

Clithon sowerbianum

View details->
Spotted nerite snail
Invertebrate

Spotted nerite snail

Neritona juttingae

View details->
Thick-lipped nerite snail
Invertebrate

Thick-lipped nerite snail

Neritona labiosa

View details->
Tiger nerite snail
Invertebrate

Tiger nerite snail

Vittina turrita

View details->
Violet nerite snail
Invertebrate

Violet nerite snail

Neripteron violaceum

View details->
Winged nerite snail
Invertebrate

Winged nerite snail

Neritodryas cornea

View details->
White Pearl Shrimp
Invertebrate

White Pearl Shrimp

Neocaridina zhangjiajiensis var. White

View details->
Blue Pearl shrimp
Invertebrate

Blue Pearl shrimp

Neocaridina cf. zhanghjiajiensis "Blue Pearl"

View details->

Similar care

Cards with similar requirements, difficulty, habitat, and husbandry profile.

Echinodorus grisebachii 'Parviflorus'

Echinodorus grisebachii 'Parviflorus'

Echinodorus grisebachii 'Parviflorus'

View details->
Echinodorus schlueteri 'Leopard'

Echinodorus schlueteri 'Leopard'

Echinodorus schlueteri 'Leopard'

View details->
Echinodorus cordifolius 'Mini'

Echinodorus cordifolius 'Mini'

Echinodorus cordifolius 'Mini'

View details->
Echinodorus horizontalis

Echinodorus horizontalis

Aquarius horizontalis

View details->
Echinodorus andrieuxii

Echinodorus andrieuxii

Echinodorus andrieuxii

View details->
Echinodorus floridanus

Echinodorus floridanus

Echinodorus floridanus

View details->
Echinodorus Dschungelstar Nr. 2 'Kleiner Bär'

Echinodorus Dschungelstar Nr. 2 'Kleiner Bär'

Echinodorus Dschungelstar Nr. 2 'Kleiner Bär'

View details->
Echinodorus 'Aflame'

Echinodorus 'Aflame'

Echinodorus 'Aflame'

View details->
Echinodorus grisebachii 'Amazonicus'

Echinodorus grisebachii 'Amazonicus'

Echinodorus grisebachii 'Amazonicus'

View details->
Echinodorus major

Echinodorus major

Aquarius major

View details->
Echinodorus osiris

Echinodorus osiris

Aquarius uruguayensis

View details->
Echinodorus paniculatus

Echinodorus paniculatus

Aquarius paniculatus

View details->
Cryptocoryne beckettii

Cryptocoryne beckettii

Cryptocoryne beckettii

View details->
Cryptocoryne beckettii "Petchii"

Cryptocoryne beckettii "Petchii"

Cryptocoryne beckettii "Petchii"

View details->
Echinodorus grandiflorus

Echinodorus grandiflorus

Aquarius grandiflorus

View details->
Echinodorus 'Red Devil'

Echinodorus 'Red Devil'

Echinodorus 'Red Devil'

View details->
Last updated: 06/30/2026
Echinodorus 'Aseng' Care Guide & Tank Setup | Atlarium