Fissidentaceae
Fissidens dubius
Fissidens dubius
Zones 5–9Sun Partial ShadeWater HighCare Moderate
Indoor Plants · Moss · Aquatic · Terrarium · Paludarium · Aquarium · Shade-Loving · Humidity · Bryophyte · Foreground · Low-Light
Pet-safeIndoor
Currently out of stock everywhereStock updated 9/6/2026
Fissidens dubius is a delicate aquatic or semi-aquatic moss that requires consistently moist conditions and moderate indirect light to thrive. It performs best in terrariums, paludariums, or as an aquarium foreground plant where humidity remains high. Avoid direct sunlight and allow water to be low in minerals for best growth.
Growing conditions
The details behind the basics
- Daily light
- 3 hours
- Watering
- Keep substrate consistently moist but not waterlogged; mist frequently · Every 2-3 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- 0°F to 90°F
- Cycle
- Perennial
- Propagation
- Seed, Cutting
Hardiness
USDA 5a-9b
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Form & growth
Mature size and habit
- Mature height
- 2 ft – 5 ft
- Spread
- 3 ft
- Spacing
- 4 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
Sources: trefle, usda
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