Boston Fern
Nephrolepis exaltata
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Care requirements
| Watering | every 1-2 days — Keep soil consistently moist; mist fronds |
|---|---|
| Light | Bright, indirect |
| Humidity | 60%–85% (ideal 72%) |
| Temperature | 15–27°C (ideal 21°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 Boston Fern?
Water Boston Fern every 1-2 days. Keep soil consistently moist; mist fronds.
How much light does Boston Fern need?
Boston Fern grows best in bright, indirect light. Protect it from harsh direct sun, which can scorch the leaves.
What is the most common problem with Boston 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