If you’ve struggled to keep a fern alive indoors before (we’re looking at you, maidenhair then the lemon button fern (Nephrolepis cordifolia 'Duffii') may be the plant for you. The lemon button fern is a dwarf variety of the common boston fern and goes by many names including button sword fern, erect sword fern, little-leaved sword fern, and fishbone fern. The leaves give off a lemony scent when crushed. This compact fern is known for being resilient and less finicky than some of its relatives, and its small size makes it perfect for growing indoors. It likes medium, indirect light and acidic soil. Learn more about caring for and maintaining this houseplant.

These are the main care requirements for growing lemon button fern:

• Can withstand a little bit of neglect
• Need medium, indirect light
• Requires consistent watering

In their native environment, lemon button fern grow as understory plants and are accustomed to indirect light conditions. When grown indoors, they grow best in medium, indirect light but can also tolerate low light or bright indirect light However, never place your lemon button fern in direct sun as it will burn the delicate leaves.

Lemon button ferns thrive in acidic soil that is moist, loamy, and well-draining. That being said, these ferns are highly adaptable and can do well in a variety of soil conditions. For the most part, a standard houseplant soil is perfect for these little ferns.

As with most ferns, the lemon button fern should never be allowed to fully dry out. Water your fern at least once a week to ensure that the soil stays consistently moist. While these ferns appreciate consistent moisture, never waterlog the soil as it can lead to root rot.

These ferns prefer warm, humid conditions. For the most part, typical household temperature and humidity levels should be fine for lemon button ferns, although if your house is particularly dry your fern will appreciate some added moisture. Try placing your lemon button fern near a small humidifier or in a high-humidity room like the bathroom or kitchen.