• Echinodorus argentinensis XL - Aqua Essentials
  • Echinodorus argentinensis XL - Aqua Essentials
  • Echinodorus argentinensis XL - Aqua Essentials
  • Echinodorus argentinensis XL - Aqua Essentials
1 4

Aqua Essentials

Echinodorus argentinensis XL

£19.99
£19.99
  • Hurry, only 1 item left in stock!
Quick facts:

Origin: Cultivated

Position in Aquarium: Background

Grows up to (cm): 80 cm

Pot Size: 9 cm

Growth rate: Medium pace

Common name:

Plant Sizes

The image of the plant you'll be receiving is just an example of what you can expect. Each plant is unique and may vary in size and shape, so it won't be an exact match to the photo. If we provide a size guide, keep in mind that it's just an estimate and that plants can vary in size depending on the time of year.
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Express Delivery is our fastest and most reliable option. Orders are fully trackable, delivered within a one-hour time slot, and covered by our replacement guarantee if plants are damaged due to delivery delays. It’s ideal if you want extra peace of mind and plants arriving exactly as they left us.

Tracked 24 is a great value option and usually arrives within a couple of days.

Order before 4pm (Mon–Fri) for same-day dispatch.

Shipping starts from £4.99 for Tracked 24 and £6.99 for DPD Express.

Echinodorus argentinensis is a large Amazon sword plant with broad, paddle-shaped mid-green leaves growing in an open, upright rosette. Individual leaves can reach 30 cm or more in length, giving it an imposing, commanding presence suited to larger aquarium layouts. It is a classic background plant with a bold, natural tropical riverbed quality.

Care is straightforward. It grows in medium light without CO2 and benefits from a nutrient-rich substrate where its extensive root system can establish properly. Like all Echinodorus it is a heavy root feeder — regular root tab fertilisation encourages healthy, vigorous growth. Water parameters are flexible and it adapts well to a range of temperatures and hardness levels.

This XL pot supplies a larger specimen with a more developed rosette and established root system, giving stronger visual impact from planting day. Best suited to aquariums of 200 litres and above, positioned at the rear where its full height can be appreciated. Remove from the pot, clean the roots, and plant the crown just at the substrate surface without burying the growing point.

Echinodorus argentinensis XL - Aqua Essentials
Echinodorus argentinensis XL - Aqua Essentials
Echinodorus argentinensis XL - Aqua Essentials

Product details

1. Go large

Xl Plants are the biggest plants available to hobbyists and sometimes extremely impressive, especially in the summer time. Pots are typically 9cm+ but the range is fairly limited so if you see one you like, best to go for it.

Why is the range limited in the winter?

Plants grow much slower due to the weather and the cost to heat gigantic greenhouses. As a result, in the cooler months plants are typically 30-40% smaller than they are in the warmer months.

2. Planting up

Due to their size, they're best positioned towards the back of your aquarium. Of course, some of them will be better tied onto wood or rock (like Anubias). It is possible to leave these plants in their pots if you prefer, but we always recommend that where possible, you take them out of their pots and rockwool, and plant them in a nutrient rich soil. Bear in mind the plants may have extensive root structure but this can be trimmed prior to planting.

3. Feeding

How much food do they need?

Due to their size, larger plants need much more food than the 5cm potted plants so this has to be considered when planting.

What fertilisers should I offer?

We always recommend using both a nutrient rich fertiliser and a liquid carbon for all plants. Use Neutro T as a liquid fertiliser and Neutro CO2 for your carbon. Both are available in big bottles and if you are injecting pressurised CO2, sway the Neutro T for Neutro+.

Are root tabs needed?

If you want to get the best from your plants, so they stay strong, grow faster and produce better colours then yes. Use TerraTabs for best results. Insert 3 under each XL plant every 4 months.

  • 5 stars: 1 (100%)
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I
Ian W.
Review

Great healthy plants and split easley into 3 or 4 single plants, these things were huge and filled the back of the tank they look stunning.

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  • Echinodorus argentinensis XL - Aqua Essentials
  • Echinodorus argentinensis XL - Aqua Essentials
  • Echinodorus argentinensis XL - Aqua Essentials
1 4

Echinodorus argentinensis XL

XL version of this broad-leafed sword — bold background

Ask a question
Easy care Medium light CO2 not required Background plant
£19.99
£19.99
  • In stock — 1 available

In-stock orders normally dispatch before 4pm, Monday–Friday. Delivery details

Echinodorus argentinensis XL - Aqua Essentials
Echinodorus argentinensis XL - Aqua Essentials
Echinodorus argentinensis XL - Aqua Essentials

Complete your setup

Useful additions for your aquarium

Care essentials chosen for this plant

Healthier plants
Brighter results
Neutro T Aquarium Plant Fertiliser Recommended size
£10.99
Root nutrition Neutro TerraTabs - Root Tabs for Planted Aquariums

Long-lasting nutrition
for strong, healthy roots.

Recommended size
£9.99
Superfish Aquarium Plant Tweezers Recommended size
£4.99
Useful additions for planting day Carefully packed with your plants Specialist aquarium plant care
Bundle offers

About this plant

Echinodorus argentinensis is a large Amazon sword plant with broad, paddle-shaped mid-green leaves growing in an open, upright rosette. Individual leaves can reach 30 cm or more in length, giving it an imposing, commanding presence suited to larger aquarium layouts. It is a classic background plant with a bold, natural tropical riverbed quality.

Care is straightforward. It grows in medium light without CO2 and benefits from a nutrient-rich substrate where its extensive root system can establish properly. Like all Echinodorus it is a heavy root feeder — regular root tab fertilisation encourages healthy, vigorous growth. Water parameters are flexible and it adapts well to a range of temperatures and hardness levels.

This XL pot supplies a larger specimen with a more developed rosette and established root system, giving stronger visual impact from planting day. Best suited to aquariums of 200 litres and above, positioned at the rear where its full height can be appreciated. Remove from the pot, clean the roots, and plant the crown just at the substrate surface without burying the growing point.

Making room for an XL plant

Allow space for the mature height and spread shown above. Check the product description for planting or attachment instructions before placing it in your aquarium.

Delivery & live plant guarantee

Orders placed before 4pm Monday–Friday normally dispatch the same working day. Special-order items leave once all items are available.

Delivery options and charges · Returns and guarantees · Help with plants that arrived damaged

  • 5 stars: 1 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
I
Ian W.
Review

Great healthy plants and split easley into 3 or 4 single plants, these things were huge and filled the back of the tank they look stunning.

Product FAQs

How large does Echinodorus argentinensis get?

In a large aquarium with a nutrient-rich substrate it can reach 50 cm or more. It is best suited to tanks of 200 litres and above.

Does it need CO2?

Not required, though CO2 will encourage faster and lusher growth. It performs well in low-tech set-ups with good substrate nutrition.

How do I fertilise it?

Use root tabs or a nutrient-rich substrate — Echinodorus are heavy root feeders and respond better to root feeding than liquid fertilisers alone.

How do I plant it?

Remove from the pot, clean the roots, and plant with the crown at substrate level. Do not bury the growing point.

Will it flower?

Yes — Echinodorus often produce flowering stems in well-lit aquariums. New plantlets can develop on these stems and be separated once they have their own roots.