Updated: April 29, 2023

Amazon Sword Plant is a popular freshwater aquarium plant that belongs to the family Alismataceae. It is native to South America and is known for its ease of care, fast growth rate, and lush green foliage. There are several varieties of Amazon Sword Plant available in the market, each with unique characteristics and requirements. In this article, we will discuss the different types of Amazon Sword Plant and how to care for them.

Echinodorus bleheri

Echinodorus bleheri, also known as the common Amazon Sword Plant, is the most popular variety of Amazon Sword Plant. It has broad leaves that can grow up to 20 inches long and 5 inches wide. The leaves are dark green in color and have a slightly rippled texture. Echinodorus bleheri is an excellent choice for beginners as it is easy to care for and can thrive in most aquarium conditions.

Echinodorus uruguayensis

Echinodorus uruguayensis is a smaller variety of Amazon Sword Plant that grows up to 12 inches tall. It has narrow leaves that are light green in color and have a smooth texture. Unlike other varieties, Echinodorus uruguayensis prefers soft water with a pH between 6.5 and 7.5. It also requires moderate lighting and regular fertilization to thrive.

Echinodorus grisebachii

Echinodorus grisebachii, also known as the compact Amazon Sword Plant, is a smaller version of Echinodorus bleheri. It has shorter leaves that only grow up to 8 inches long and 2 inches wide. The leaves are lighter in color than Echinodorus bleheri and have a wavy texture. Echinodorus grisebachii requires moderate lighting and regular fertilization to maintain its compact size.

Echinodorus cordifolius

Echinodorus cordifolius, also known as the Radican Sword Plant, has broad leaves that can grow up to 20 inches long and 10 inches wide. The leaves are dark green in color and have a slightly rippled texture. Echinodorus cordifolius is an excellent choice for larger aquariums as it can grow quite tall. It requires moderate to high lighting and regular fertilization to thrive.

Echinodorus martii

Echinodorus martii, also known as the Horemanii Sword Plant, is a smaller variety of Amazon Sword Plant that grows up to 6 inches tall. It has narrow leaves that are light green in color and have a smooth texture. Unlike other varieties, Echinodorus martii prefers hard water with a pH between 7.0 and 8.5. It also requires moderate lighting and regular fertilization to thrive.

Care Requirements

Amazon Sword Plants are relatively easy to care for but require specific conditions to thrive. Here are some general care requirements for all varieties of Amazon Sword Plants:

  • Lighting: Amazon Sword Plants require moderate to high lighting (2-4 watts per gallon) for optimal growth.
  • Water Parameters: The ideal water temperature for Amazon Sword Plants is between 72°F and 82°F with a pH range of 6.5-7.5.
  • Substrate: A nutrient-rich substrate like aqua soil or sand is ideal for Amazon Sword Plants.
  • Fertilization: Regular fertilization is essential for the healthy growth of Amazon Sword Plants. Use a comprehensive liquid fertilizer or root tabs every three months.
  • Water Change: Regular water changes (25% every two weeks) will help maintain water quality and prevent nutrient deficiencies.

FAQ

Q1: Can I keep Amazon Sword Plants with other fish?

A1: Yes, Amazon Sword Plants are compatible with most freshwater fish species. They provide natural hiding places for fish and help maintain water quality by absorbing excess nutrients.

Q2: How fast do Amazon Sword Plants grow?

A2: Amazon Sword Plants can grow up to one inch per week under optimal conditions.

Q3: Do I need CO2 injection for my Amazon Sword Plant?

A3: While CO2 injection is not necessary for the healthy growth of Amazon Sword Plants, it can enhance their growth rate and coloration.

Q4: How often should I prune my Amazon Sword Plant?

A4: Pruning should be done whenever the plant becomes too large or overgrown. Trim off any yellow or dead leaves at the base of the plant using sharp scissors or pruning shears.

Q5: How do I propagate my Amazon Sword Plant?

A5: Propagation can be done by dividing the plant at the root level into smaller portions using sharp scissors or pruning shears. Each portion should have healthy roots attached to it before replanting in the substrate.

In conclusion, Amazon Sword Plants are an excellent choice for beginner aquarists looking for an easy-to-care-for plant with vibrant foliage. With proper lighting, water parameters, substrate, fertilization, and pruning, you can enjoy healthy growth from any variety of Amazon Sword Plant you choose to add to your aquarium!

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