Plant Library

Boston Fern Care Guide

Nephrolepis exaltata

By the Plantshop.com Editorial Team · Updated 6 Nov 2026 · How we research · Report an error

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Lush arching fronds, pet-safe, and at its best in a humid bathroom or on a shaded porch.

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Light

Medium to bright indirect light. Rotate the pot every few weeks so growth stays even.

Water

Keep consistently moist. Always use a pot with drainage holes and empty the saucer after watering. Plants use far less water in winter.

Humidity and temperature

Humidity: high. Most houseplants prefer 60-80°F (16-27°C) and dislike cold drafts and heating vents.

Soil and feeding

Use a well-draining potting mix with bark or perlite for air. Feed lightly in spring and summer with a balanced houseplant fertilizer at half strength; skip feeding in winter.

Our tip

Never let it dry out completely; crisp fronds do not recover.

Common problems

• Dropping leaflets: Dry soil or dry air.
• Yellow fronds: Too much sun or ageing.
• Gray, dull fronds: Low humidity.

Pets

Non-toxic to cats and dogs (ASPCA), according to the ASPCA plant list. Check any plant in our Pet-Safe Plant Checker.