Hart's Tongue Fern
Asplenium scolopendrium
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Care requirements
| Watering | every 1-2 days — Keep soil consistently moist |
|---|---|
| Light | Low to medium, indirect |
| Humidity | 60%–85% (ideal 72%) |
| Temperature | 12–24°C (ideal 18°C) |
| Fertilizer | Monthly during growing season — Balanced 20-20-20 at half strength |
| Soil | Well-draining potting mix (pH 5.5–7.0) |
Quick answers
How often should I water Hart's Tongue Fern?
Water Hart's Tongue Fern every 1-2 days. Keep soil consistently moist.
How much light does Hart's Tongue Fern need?
Hart's Tongue Fern grows best in low to medium, indirect light. It tolerates lower light levels, though growth slows. Protect it from harsh direct sun, which can scorch the leaves.
What is the most common problem with Hart's Tongue Fern?
Yellow leaves is the most common problem. Likely causes: overwatering, poor drainage, cold drafts. What to do: reduce watering; check drainage holes; move to a warmer spot.
Common problems & fixes
Yellow leaves
Causes: Overwatering, Poor drainage, Cold drafts
Fix: Reduce watering; Check drainage holes; Move to a warmer spot
Brown tips
Causes: Low humidity, Fluoride in tap water, Underwatering
Fix: Increase humidity; Use filtered water; Water more consistently
Root rot
Causes: Overwatering, Heavy soil, No drainage holes
Fix: Repot in well-draining soil; Allow soil to dry; Trim mushy roots
Pests
Causes: Mealybugs, Spider mites, Scale
Fix: Wipe with insecticidal soap; Isolate the plant; Check new plants before bringing home