How to fertilize a Boston fern
Nephrolepis exaltata
Quick answer
Feed Nephrolepis exaltata with a balanced liquid houseplant fertilizer at half strength, about monthly during the growing season.

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How to fertilize a Boston fern
- 01
When to fertilize
Feed Nephrolepis exaltata about once a month during the growing season, not all year round.
Feed only during the growing season. With less light and cooler rooms in winter, do not keep the same feeding routine. Watch your fern to decide when to stop and start again.
- 02
Fertilizer type and dose
Use a balanced liquid fertilizer suitable for houseplants. No particular brand is needed.
Use the balanced liquid fertilizer at half strength. Follow the product label rather than guessing an amount per pot.
All Boston fern guides
Keep reading
Sources3 references
- Royal Botanic Gardens, Kew: Plants of the World OnlineTaxonomy · accepted name · native range · habit
- North Carolina State University Extension Gardener Plant ToolboxHouseplant context · light · temperature · humidity · moisture · winter · spores · pests
- Royal Horticultural SocietyLight · compost · moisture · pH · humidity · fertilizer · winter · pests · rot
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