Adiantum Potting Mix by JB Greens is a specialized growing medium professionally formulated for all types of exotic and rare Adiantum ferns (maidenhair ferns). This moisture-loving mix replicates the damp, shaded forest floor environment that Adiantum requires—exceptional humidity retention, gentle aeration, and rich organic content while preventing root rot in constantly moist conditions.
Key Features & Benefits
Engineered for Maidenhair Fern Success:
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Superior moisture retention – Sphagnum base keeps surface damp 24/7
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Fine texture – Perfect for delicate, creeping Adiantum rhizomes
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High humidity compatibility – Ideal for terrariums and humidity trays
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pH-optimized (5.5-6.5) – Mimics natural limestone woodland habitat
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Fungal protection – Charcoal prevents rot in perpetually moist pots
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Lightweight structure – Maintains aeration despite constant moisture
Proven Results:
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Lush, jet-black stems with perfect pinnae
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No crispy leaf edges or browning
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Rapid recovery from dry-out stress
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Consistent frond production year-round
Ideal For
All Adiantum Species:
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Adiantum capillus-veneris (Venus hair fern)
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Adiantum pedatum (Northern maidenhair)
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Adiantum raddianum (Delta maidenhair)
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Adiantum tenerum (Black maidenhair)
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Exotic miniature Adiantum collections
Professional Composition
JB Greens Adiantum Formula (humid forest floor) for:
Maximum moisture retention
Humidity chamber effect
Organic moisture bridge
Gentle aeration
Rot prevention
Natural woodland nutrition
Usage Instructions
Adiantum Repotting Protocol:
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Shallow pots/trays – 10-12cm maximum depth
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Clear plastic pots – Monitor moisture constantly
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No heavy drainage layer – Light mesh sufficient
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Firm contact with rhizomes – No air pockets
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Constant surface moisture – Never let dry
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Low light (1000-2000 lux) + 75%+ humidity
Watering Requirements:
Surface moist continuously
Bottom water preferred
Mist 2x daily if open air
Distilled/RO water recommended
Environment Requirements
Humidity: 70-90% (terrarium ideal)
Temperature: 18-26°C
Light: Low indirect (no direct sun)
Airflow: Minimal (stagnant humid OK)
Perfect System Integration
With JB Greens Fern Care:
Weekly: Soilora (microbial boost)
Biweekly: Restora (recovery from dry stress)
Rhizara sparingly (rhizome stimulation)Storage & Performance
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Sealed bags: 12 months shelf life
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Cool, moist storage preferred
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Hydrate thoroughly before use
Adiantum Potting Mix – the damp forest floor foundation for perfect maidenhair fronds.
Humidity-engineered for the fussiest ferns – constant moisture without rot.
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