Boston Fern Care: The Classic Victorian Houseplant

The Boston fern (Nephrolepis exaltata) has graced homes since the Victorian era with its lush, arching fronds. Native to Central American tropics, this herbaceous evergreen reaches 6 inches to 7 feet tall with a 2-3 foot spread. Its apple-green, sword-shaped fronds grow in clusters from the base.

Ideal Growing Conditions

Light

Bright, indirect light. Avoid direct sun, which scorches fronds. A north or east window with sheer curtains works well.

Humidity & Watering

High humidity is critical. Place pot on a pebble tray with water, mist 1-2 times weekly, and keep soil consistently moist (not soggy). Yellowing fronds signal low humidity. Soak the root ball monthly, then drain thoroughly.

Temperature

Prefers 60-75°F (16-24°C). Protect from cold drafts and heating vents.

Soil & Fertilizing

Use peat-based, well-draining mix. Feed with balanced 10-10-10 liquid fertilizer a few times yearly. Avoid over-fertilizing.

Common Issues

• Gray fronds: Time to repot.
• Pests: Spider mites and mealybugs—treat with natural insecticides.
• Acclimation: New plants need a week in bright light before moving to final location.

With consistent moisture, humidity, and indirect light, Boston ferns remain timeless, air-purifying additions to any indoor space.