Rangeri Sword (Echinodorus argentinensis)

Price range: $6.99 through $9.99

Rangeri Sword (Echinodorus argentinensis) is one of the fastest-growing and most visually impressive sword plants available for freshwater aquariums — a robust South American native producing broad, lance-shaped lush green leaves that reach 12 to 18 inches tall in a dense rosette formation. An outstanding background plant for medium to large aquariums, excellent at absorbing excess nutrients, beginner-friendly, and completely safe for fish, shrimp, and invertebrates. Available bare root ($6.99) or potted ($9.99). Nursery-grown at Quinn’s Fins.

SKU: 6023-1 Categories: , ,

Description

Rangeri Sword for Sale — One of the Fastest-Growing Background Sword Plants in the Hobby

If you’ve been searching for Rangeri Sword for sale, Quinn’s Fins grows Echinodorus argentinensis — commonly known as Rangeri Sword or Argentine Sword — right here in our on-site nursery greenhouse. The Rangeri Sword is widely regarded as one of the fastest-growing sword plant varieties available for freshwater aquariums — a robust, vigorous South American native that produces broad, lance-shaped lush green leaves reaching 12 to 18 inches tall in a dense, impressive rosette formation. When given adequate light, a nutrient-rich substrate, and stable water conditions, this plant grows with a speed and lushness that quickly transforms a bare aquarium background into a thriving green forest. Rangeri Sword for sale at Quinn’s Fins is available in two formats — bare root (SKU 6023-2, $6.99) and potted (SKU 6023-3, $9.99) — both nursery-grown and ready to plant directly into your aquarium.

Why Rangeri Sword for Sale Is the Premier Background Sword Plant Choice

Rangeri Sword earns its reputation through sheer performance — faster growth, lush volume, and beginner-friendly resilience that makes it one of the most satisfying sword plants to grow regardless of experience level.

  • One of the fastest-growing sword plants available — fills in aquarium backgrounds quickly with lush green volume
  • Broad lance-shaped leaves reaching 12–18″ tall — impressive large-scale background presence in medium to large aquariums
  • Dense rosette formation — creates a full, layered green backdrop that anchors the entire aquascape
  • Excellent nitrate and phosphate absorber — actively filters excess nutrients and supports water quality
  • Beginner-friendly — tolerates a wide range of water conditions and lighting levels without special equipment
  • No CO2 injection required — thrives in low-tech setups
  • Completely safe for fish, shrimp, snails, and invertebrates — broad leaves provide excellent shelter and grazing surfaces
  • Propagates naturally via flower stalks — produces adventitious plantlets for easy free propagation

Growing Rangeri Sword — Care at a Glance

Substrate — The Most Important Variable

Rangeri Sword is a heavy root feeder — substrate quality is the single biggest factor in its growth rate and leaf size. In nutrient-rich aquarium soil (ADA Aqua Soil, Fluval Stratum, or similar active substrates), this plant grows with remarkable speed without additional supplementation. In inert gravel or sand, root tabs placed directly beneath the plant and refreshed every 2–3 months are essential. Plant with roots spread downward and buried, crown kept just at or above the substrate surface — never bury the crown, which can cause rot.

Light

Rangeri Sword performs in moderate to high lighting. In moderate light it grows steadily and produces full, lush leaves. In higher light growth accelerates noticeably and leaf size increases. In low light the plant will survive but growth slows significantly and leaves may become pale — moderate light is the recommended minimum for best performance.

Tank Size

Due to its impressive size at maturity — leaves reaching 12–18″ — Rangeri Sword is best suited for aquariums of 29 gallons or larger where its full rosette can develop without overcrowding the tank. In smaller tanks it can still be grown but will require more frequent leaf trimming to manage its size.

Water Parameters

  • Temperature: 72–84°F (22–29°C)
  • pH: 6.0–8.0 — one of the widest pH tolerances of any sword plant
  • Hardness: Soft to moderately hard
  • Flow: Low to moderate

CO2 & Fertilization

CO2 injection is not required. Regular liquid fertilizer supplementation — particularly iron and nitrogen — supports healthy leaf color and prevents the yellowing that signals iron deficiency. Root tabs are the most effective fertilization method for this heavy root feeder and produce the most dramatic improvement in growth rate in established tanks.

Propagation

Rangeri Sword propagates naturally by producing tall emersed flower stalks. At intervals along these stalks, adventitious plantlets develop — small complete plants with leaves and roots. Once a plantlet has developed 3–4 leaves and a visible root system, it can be gently removed from the stalk and planted directly into the substrate as an independent plant. This natural propagation process means one healthy Rangeri Sword produces free new plants over time with no intervention.

Maintenance

Remove old, yellowing, or damaged leaves by cutting the leaf stem at its base — this redirects energy to fresh new growth and keeps the rosette looking its best. In larger aquariums, the plant can be allowed to grow freely; in smaller setups, trim outer leaves periodically to manage size. No other regular maintenance is required beyond substrate fertilization.

Emersed Growth

Rangeri Sword grows beautifully in emersed conditions — in open-top aquariums, pond margins, and water garden settings where stems can grow above the waterline. In emersed form it can reach several feet in height and produces small white flowers on long stalks, from which adventitious plantlets develop for propagation.

Two Ways to Buy Rangeri Sword for Sale at Quinn’s Fins

Rangeri Sword for sale at Quinn’s Fins is available in two formats:

  • Bare Root (SKU 6023-2) — $6.99: A healthy rooted plant shipped without substrate. Trim any damaged roots before planting, rinse thoroughly, and plant directly into your aquarium substrate with roots spread downward and crown at the surface.
  • Potted (SKU 6023-3) — $9.99: Nursery-grown in a pot with established root structure. Remove the plant from the pot and all growing media — including any rockwool or cotton — before planting. Never place the pot or growing media directly in the aquarium. Rinse roots thoroughly after removal.

Nursery-Grown at Quinn’s Fins

Every Rangeri Sword for sale at Quinn’s Fins is grown right here in our on-site nursery greenhouse — not drop-shipped or bulk-sourced. We grow what we sell.

For more on growing Rangeri Sword and other aquarium sword plants, visit the Buce Plant Aquarium Plant Care Guide or browse our full selection of aquatic plants at Quinn’s Fins.

Rangeri Sword Plant Details

Botanical NameEchinodorus argentinensis
Common NamesRangeri Sword, Argentine Sword, Rangeri Sword Plant
FamilyAlismataceae
Native RangeSouth America
Height12–18″ submerged; several feet emersed
Growth RateFast — one of the fastest-growing sword plants available
Light RequirementModerate to high; minimum moderate for best performance
CO2Not required; improves growth rate if used
Temperature72–84°F (22–29°C)
pH6.0–8.0
SubstrateNutrient-rich preferred; root tabs required in inert substrate
PlacementMidground to background; 29+ gallon tanks recommended
PropagationAdventitious plantlets on emersed flower stalks
Fish & Shrimp SafeYes — excellent shelter and grazing surfaces
DifficultyEasy — beginner-friendly
Available AsBare Root (SKU 6023-2, $6.99) or Potted (SKU 6023-3, $9.99)

Echinodorus FAQs

Frequently Asked Questions About Echinodorus (Sword Plants)


Q: What is an Echinodorus plant?
A: Echinodorus, commonly known as sword plants, are a popular genus of aquatic plants used in freshwater aquariums. Known for their rosette growth and long, sword-shaped leaves, they are ideal for midground or background planting and thrive in a wide range of tank setups.


Q: Are Echinodorus plants easy to grow?
A: Yes, most Echinodorus species are beginner-friendly and very hardy. They adapt well to a variety of water conditions and do not require CO₂ injection, although they respond positively to it.


Q: How big do sword plants get?
A: Depending on the species, Echinodorus plants can range from 6 inches to over 20 inches in height. Larger varieties like Echinodorus bleheri or Echinodorus ‘Altlandsberg’ make excellent background or centerpiece plants in tanks 20 gallons or larger.


Q: Do sword plants need substrate fertilizer?
A: Yes. Echinodorus are heavy root feeders, and while they can grow in plain gravel, they perform best in nutrient-rich substrate or when supplemented with root tabs.


Q: Can I grow Echinodorus in low-tech tanks?
A: Absolutely. Sword plants thrive in low-tech aquariums with moderate lighting and stable water parameters. They don’t require high light or CO₂ to survive but will grow more vigorously if provided.


Q: Do Echinodorus plants flower?
A: Yes, some Echinodorus species may produce emersed flowers under the right conditions, especially in open-top tanks or shallow setups. These stalks can also produce adventitious plantlets for propagation.


Q: How do I propagate Echinodorus?
A: Echinodorus plants propagate by sending out flower stalks with baby plants or “runners.” Once these plantlets develop roots and a few leaves, they can be gently removed and replanted.


Q: Are Echinodorus plants safe for fish and shrimp?
A: Yes, Echinodorus are completely safe for all freshwater fish, snails, and shrimp. Their broad leaves provide excellent cover and grazing surfaces for shrimp and fry.


Q: Why are the leaves turning yellow or transparent?
A: Yellowing or transparent leaves are often signs of nutrient deficiencies, especially a lack of iron or potassium. Make sure the plant is receiving adequate lighting and root fertilization.


Q: Can sword plants be used in outdoor ponds?
A: Some hardy Echinodorus species can be grown in temperate or tropical outdoor ponds, provided temperatures don’t drop too low. They may also transition to emersed growth when exposed to air.

Additional information

WeightN/A
DimensionsN/A
Plant Types

2" Pot, Bare Root

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