Boston Fern Care Guide
Nephrolepis exaltata Pet-safe
A lush, pet-safe fern that thrives in humid bathrooms and needs consistently moist soil.
Water ~4d Medium indirect High humidity Moderate
How often to water a Boston Fern
Baseline: about every 4 days in medium light and a medium pot. Adjust for your home:
| Conditions | Summer | Winter |
|---|---|---|
| Small pot (4") | every 3d | every 4d |
| Medium pot (6") | every 3d | every 6d |
| Large pot (10"+) | every 4d | every 7d |
Care requirements
| Scientific name | Nephrolepis exaltata |
|---|---|
| Light | Medium indirect |
| Water (baseline) | Every ~4 days |
| Humidity | High |
| Temperature | 60-75°F |
| Pet safety | Non-toxic to cats & dogs |
| Difficulty | Moderate |
| Mature size | Medium |
| Soil | Moisture-retentive mix |
Frequently asked questions
How often should I water a Boston Fern?
In average conditions, water a Boston Fern about every 4 days — but always check that the top inch or two of soil is dry first. It needs less in winter and more in bright light or summer heat.
Is the Boston Fern toxic to cats and dogs?
Boston Fern is considered non-toxic and pet-safe.
How much light does a Boston Fern need?
Boston Fern prefers medium indirect light.
Why are my Boston Fern leaves turning yellow?
Yellowing usually means overwatering. Let the soil dry more between waterings, ensure the pot drains, and confirm the light matches its medium indirect preference.
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