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Myriophyllum sp. 'Guyana' (Mini Milfoil)

04 June 2026

Originating from South America, Myriophyllum sp. 'Guyana' is a highly sought-after stem plant prized for its exceptionally compact growth and vivid light green coloration. Unlike its larger relatives, this miniature milfoil stays relatively short, making it an ideal choice for nano aquariums or lush middleground bushes in larger aquascapes.

Myriophyllum sp. 'Guyana' (Mini Milfoil)

Introduction

Originating from South America, specifically the region of Guyana, Myriophyllum sp. 'Guyana' is a beautifully delicate and exceptionally compact stem plant. It is widely celebrated among aquascapers for its bright, light green, needle-like foliage that forms dense, bushy thickets. Its miniature size makes it a standout choice compared to other milfoils.

Growth and Care

This plant is considered a medium-difficulty species. While it can survive in lower-tech setups, it truly thrives and maintains its signature compact, creeping growth habit when provided with medium to high lighting and supplemental CO2 injection. Without adequate light, the internodes may stretch, losing the dense appearance that makes it so desirable.

Aquascaping Application

Due to its moderate height and dense branching, Myriophyllum sp. 'Guyana' is perfect for the middleground of larger tanks or even the background of nano aquariums. Regular trimming encourages lateral shoots, quickly resulting in a lush, vibrant green bush that provides excellent contrast against red plants or dark hardscape materials.

Plant info

Colors: Green, Light green

Difficulty: Medium

Origin: South America

Usage: Middleground

Type: Stem

Growth rate: Medium

Height: 5 - 15 cm

Light demand: Medium

CO2: Medium

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