Free for 30 daysNo credit card.

Start free trial
Plant guide

Houseplant · Indoors

Boston fern

Nephrolepis exaltata

Add to my home

Care schedule

Watering
When the top few inches of soil are dry — not on a calendar Source: University of Minnesota Extension — Watering houseplants
Feeding
Spring and summer only, as often as the label says (every 2 weeks to every 3–4 months); none in winter Source: Iowa State University Extension — How often should I fertilize houseplants?
Frost
Sensitive — protect or bring inside below about 34°F · typical

Each line links to its published source. Your pot, light, season and climate matter more than the calendar.

Care tips

  • Keep soil consistently moist.
  • Humidity is key; dry air causes crispy fronds.
  • Trim brown fronds at the base.

In GoodKeap

Save your boston fern to get these reminders in Upkeap, log each watering and feeding, add progress photos.

From university extension guides

Each line links to the published guidance it came from.

Light

Bright, indirect light

Boston ferns should be placed in bright, indirect light and kept in a warm environment between 60 and 70 degrees Fahrenheit.

Source: NC State Extension Gardener Plant Toolbox

Checked Oct 2026

Watering

When the top few inches of soil are dry — not on a calendar

Feel the soil or lift the pot; a light pot is dry. Overwatering causes root rot and yellow leaves.

Source: University of Minnesota Extension — Watering houseplants

Checked Oct 2026

Feeding

Spring and summer only, as often as the label says (every 2 weeks to every 3–4 months); none in winter

Use half or quarter strength if it's a general outdoor fertilizer.

Source: Iowa State University Extension — How often should I fertilize houseplants?

Checked Oct 2026