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Carpet plants for aquariums

Carpet plants spread horizontally by runners until they form a dense, lawn-like mat across the aquarium foreground. The catch is energy: a tight, low carpet is a product of strong light reaching the substrate, and the most famous carpeting species also want injected CO2. There are genuinely easier options — but every carpet, easy or hard, fills in faster when planted as many small patches rather than one clump.

6 species match, 3 in stock at AquaticMotiv

The species, easiest first

  1. 1Dwarf Hairgrass

    Dwarf Hairgrass

    Eleocharis parvula
    • Medium
    • Medium light
    • CO2 beneficial
    • Max 4"

    Dwarf Hairgrass forms the classic grassy lawn of iwagumi layouts, spreading by runners into a field of fine green blades.

    $4.99 In stockCare profile →
  2. 2Hydrocotyle Tripartita

    Hydrocotyle Tripartita

    Hydrocotyle tripartita
    • Medium
    • Medium light
    • CO2 beneficial
    • Max 4"

    Hydrocotyle tripartita is a fast, versatile creeper with small three-lobed, clover-like leaves on wiry stems that can be grown as a low foreground carpet, a midground bush, or trailing over hardscape.

    $6.99 Out of stockCare profile →
  3. 3Micro Sword

    Micro Sword

    Lilaeopsis novae-zelandiae
    • Medium
    • Medium light
    • CO2 beneficial
    • Max 3"

    Micro Sword forms a grassy foreground carpet of short, flat blades — broader and a touch more lush-looking than hairgrass — spreading by runners across the substrate.

    $6.99 Out of stockCare profile →
  4. 4Monte Carlo

    Monte Carlo

    Micranthemum tweediei 'Monte Carlo'
    • Medium
    • Medium light
    • CO2 beneficial
    • Max 2"

    Monte Carlo is the most achievable true carpeting plant: round, bright-green leaves that creep along the substrate and form a dense lawn.

    $5.99 In stockCare profile →
  5. 5Dwarf Baby Tears

    Dwarf Baby Tears

    Hemianthus callitrichoides 'Cuba'
    • Advanced
    • High light
    • CO2 required
    • Max 1"

    Dwarf Baby Tears is the iconic iwagumi carpet — the smallest-leaved aquarium plant in the trade, forming a dense lawn of millimeter foliage that pearls with oxygen under bright light.

    $5.99 In stockCare profile →
  6. 6Glossostigma

    Glossostigma

    Glossostigma elatinoides
    • Advanced
    • High light
    • CO2 required
    • Max 1"

    Glossostigma is one of the smallest carpeting plants, forming a low lawn of tiny paired round leaves that hugs the substrate when conditions are right.

    $6.99 Out of stockCare profile →

Narrow it to your exact tank

The plant finder ranks these against your tank size, light, CO2, and goals — with honest care expectations.

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Frequently asked questions

What is the easiest aquarium carpet plant?

Carpets that tolerate medium light and skip CO2 — such as dwarf sagittaria-type runners and Marsilea — are the forgiving end of the range. They grow taller and fill in slower than the showpiece species, but they will actually carpet in an ordinary tank.

How long does a carpet take to fill in?

With good light and CO2, expect 6–10 weeks from planting small, well-spaced patches. Without CO2, double that — and choose a species rated for it, or the runners simply stop spreading.

Why is my carpet plant growing upward instead of spreading?

Vertical growth is a light-hunting response: the plant is not getting enough intensity at substrate level, so it reaches instead of running. More light at the substrate — a stronger fixture or shallower tank — is the fix.

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