Hemianthus Micranthemoides

Hemianthus Micranthemoides from AquaZen

Hemianthus micranthemoides, sometimes called pearl weed, brings a pop of lush green to any aquascape and thrives in low-profile layouts. This aquatic stem plant—available now from AquaZen—is part of our handpicked Featured collection for good reason: it’s fast-growing, beginner-friendly, and adapts beautifully to most setups.

Why Hemianthus Micranthemoides (Pearl Weed) Is a Staff Favorite

You’ll find this bright green beauty tucked into our Staff Picks – Aquatic Freshwater Plants because of its versatility and low-maintenance nature. It typically grows in trailing, soft clusters that create a dense front or middle tank patch, which depends on how you trim it.

Standout Features of Hemianthus Micranthemoides

• Native to North America, thriving in diverse water conditions

• Forms compact clusters perfect for nano tanks and aquascapes

• Excellent for foregrounds, midgrounds, or as a carpeting alternative

• Responds well to trimming and regrows quickly

• Safe for shrimp and most freshwater livestock

Growth Requirements and Tank Compatibility

Ensure these conditions are met to get the most out of this plant:

• Lighting: Medium intensity

• Temperature: 72–80 degrees Farenheit

• pH Range Level: 5.0–7.5

• Height: 0.2–1.2 inches depending on trimming

• Growth Rate: Fast under stable water parameters

• Placement: Foreground to midground

• CO2 Injection: Not required, but boosts density and color

Frequently Asked Questions – Hemianthus Micranthemoides (Pearl Weed)

Q: Will Hemianthus micranthemoides cover my tank without CO₂?
A: It can, but for more coverage CO2 addition helps a lot.

Q: Is Hemianthus micranthemoides good for shrimp tanks?
A: Yes! Shrimp love grazing on its small leaves and hiding in the clusters.

Q: Can I use pearl weed in low-tech setups?
A: Yes. Just expect a slower growth process.

Q: How do I propagate Hemianthus micranthemoides?
A: Trim the tops and replant the cuttings back into your substrate at the bottom.

Q: What's the difference between pearl weed and dwarf baby tears?
A: Pearl weed (micranthemoides) grows more quickly, and is generally easier to manage.

Behind the Scenes of Planted Tank Life

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