๐ฟ All About Hemianthus micranthemoides (Pearl Weed) โ Growow TC Cup Hemianthus micranthemoides, commonly known as Pearl Weed, is a versatile, fast-growing carpeting plant admired for its fine, bright green...
Hemianthus micranthemoides, commonly known as Pearl Weed, is a versatile, fast-growing carpeting plant admired for its fine, bright green leaves and adaptability. It resembles a miniature version of Hydrocotyle tripartita but grows in a more structured, upright or creeping manner. Supplied in a Growow Tissue Culture (TC) Cup, it ensures a pest-free, healthy start ideal for aquascapers and planted tank beginners alike.
Scientific Name: Hemianthus micranthemoides
Common Name: Pearl Weed, Micranthemum
Family: Scrophulariaceae
Type: Stem / carpet plant
Origin: North America
Height: 5โ15 cm
Leaf Shape: Tiny, round to oval
Color: Bright to medium green
Growth Habit: Can be trimmed low for carpeting or left to grow vertically
Growth Speed: Fast
Lighting: Medium to high (strong light helps compact growth)
COโ: Optional, but greatly improves density and speed
Substrate: Nutrient-rich (aqua soil or root tabs recommended)
Water Parameters:
pH: 5.5โ7.5
Temperature: 20โ28ยฐC
Hardness: Soft to medium
Tissue culture format: Free from snails, algae, pathogens
Can be broken into small clumps to cover larger areas
Quicker rooting and acclimatization
Safe for shrimp tanks and sensitive species
Excellent carpeting plant โ perfect alternative to Monte Carlo or HC Cuba
Easy to grow and maintain in low to high-tech setups
Can be used for midground hedges or fine detail trimming
Great for nano tanks, nature-style aquascapes, and jungle layouts
Frequent trimming helps maintain compact, carpeted look
Without trimming, it grows upward like a mini stem plant
Can be trained to trail over rocks, driftwood, or sloped substrates
Combine with:
Eleocharis acicularis (for texture)
Rotala rotundifolia 'Green' (for background layering)
Bucephalandra sp. (for contrast)
๐ก Pro Tip: For a smooth foreground carpet, plant small pearl weed tufts a few centimeters apart and trim regularly to encourage horizontal spreading.
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