Pearlweed | Micranthemum Micranthemoides

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Meet the real MVP—Pearlweed! Don't be fooled by its Baby Tears lookalike reputation; Pearlweed is the true star with its leaves shaped like celestial wonders rather than your regular oval Baby Tears style.

Aquatic Versatility: Pearlweed is not your average aquatic wallflower; it's the rockstar that seamlessly transitions from a stellar foreground act to midground glory. This green dynamo is a speedster in Med to High Tech tanks, showing off its growth prowess like it's training for a plant marathon.

Green Goodness Carpet: Want a carpet of green goodness in your tank? Easy peasy. Trim Pearlweed often, and it will transform into a lush, low-lying masterpiece. But if you prefer a wilder look, let it grow tall and proud, reaching heights of up to 12 inches—a vertical spectacle!

Underwater Gardening Made Easy: Planting Pearlweed is a breeze, even for underwater gardening newbies. Stick the stems into the substrate for a grounded vibe or tie them to a rock for some aquascaping flair. This versatile plant has a green thumb, growing both horizontally and vertically based on its mood and the lighting conditions—it's basically the plant version of a chameleon.

Celestial Elegance Unleashed: So, if you're ready to add a touch of celestial elegance to your tank, Pearlweed is your go-to green companion. Get ready for an aquarium transformation that's out of this world!


  • Micranthemum Micranthemoides has delicate, bright green leaves that are elliptical in shape with pointed tips.
  • The leaves are tiny, typically only a few millimeters long, giving the plant a lush and textured appearance.
  • It grows in low, creeping stems that can form dense carpets, mounds, or even cascade down from rocks and driftwood.

Adaptability and Care:

  • This plant is relatively undemanding and thrives in a range of water conditions.
  • It can tolerate moderate to high lighting but prefers moderate to high CO2 levels for optimal growth.
  • It's a fast-growing plant and requires regular pruning to maintain its desired shape and prevent it from becoming leggy.
  • Micranthemum Micranthemoides is adaptable to various aquarium sizes and can be used in the foreground, midground, or even background, depending on how you trim and train it.


  • Pearlweed adds vibrant color and visual interest to aquascapes.
  • Its dense growth provides hiding places for fish fry and shrimp.
  • It helps improve water quality by absorbing excess nutrients and reducing algae growth.
  • Its low-maintenance nature makes it suitable for both beginners and experienced aquascapers.

Best Roommates:

  • Staurogyne repens (Foreground to midground)
  • Rotala Rotundifolia (Background)
  • Anubias Nana Petite (Midground)
  • Java Moss (Foreground to midground)
  • Cryptocoryne Wendtii (Various species for midground to background)


    Scientific Name: Micranthemum Micranthemoides

    Also Known As: Pearlweed, Pearl Grass, or Baby Tears

    Sold As: Bunched or Potted

    Care Level: Easy

    Lighting Requirement: Med-High

    Co2: Preferred

    Growth Rate: Medium

    Origin: North America

    Tank Placement: Foreground as carpet or mid-ground. 

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