LightLemon Button Fern grows best in medium to bright indirect…
WaterKeep Lemon Button Fern consistently moist without making…
ToxicityNot ASPCA-listed
Mature sizesee care guide
Lemon Button Fern is a small fern with a compact outline and rows of rounded, button-like leaflets. Crushing the fronds releases a faint lemon scent. Its modest size works well on shelves, desks, or other areas where a large fern would spread too far. This easy plant suits growers who can keep the mix moist without leaving it saturated.
Care data checked 25 September 2026 · Dany · A-Z Plants
Light requirements
Lemon Button Fern grows best in medium to bright indirect light at 150 to 200 μmol·m⁻²·s⁻¹.
Keep the pot 6 ft / 1.8 m from a south, west, or east-facing window.
Avoid an unobstructed view of the sky. If direct light reaches the fronds, diffuse it with a sheer curtain.
Excess sun may scorch the small leaflets. Too little light can slow growth and thin the compact form.
Use a PAR meter or PAR meter app to measure photosynthetically active radiation as PPFD (μmol·m⁻²·s⁻¹).
Watering
Keep Lemon Button Fern consistently moist without making the soil soggy. Insert a knitting needle or chopstick to check moisture at several depths. This reveals wet soil below a surface that may appear dry. Water considerably less during the winter months when active growth slows.
Use room temperature rainwater, distilled water, or reverse osmosis water.
Water across the pot until excess flows from the drainage holes. Allow complete drainage before replacing the pot on a saucer or in a decorative planter.
A container with drainage holes is essential to reduce the risk of root rot.
Do not let the root ball dry fully. Dry soil can quickly produce wilted fronds and crispy edges.
Soil
An organic all-purpose potting mix suits Lemon Button Fern when it drains well and remains lightly moist. Avoid blends that compact around the fine roots.
Make a simple DIY mix with 3 parts coir and 1 part pumice.
Apply worm castings as a top dressing after the fern is potted.
Feeding
Give Lemon Button Fern an organic all-purpose fertiliser every 2 to 4 weeks from March through October. Follow the label for strength. Do not fertilise more frequently than stated, and stop the routine schedule during winter.
Temperature & humidity
Keep Lemon Button Fern at 65 to 75°F / 18 to 24°C. Its preferred humidity range is 50 to 60%. Stable warmth and moderate humidity help the small fronds remain green instead of developing dry margins.
What to expect
Lemon Button Fern matures within 1 to 2 years, so it establishes relatively quickly indoors. Its eventual height is 1 ft / 30 cm, and its mature spread is also 1 ft / 30 cm. The compact size remains one of its main features.
Varieties & cultivars
N. cordifolia ‘Little Fluffy Ruffles’: A compact, bushy cultivar with strongly ruffled fronds.
N. cordifolia ‘Macho Fern’: This upright selection is larger than the standard Lemon Button Fern. It can reach 24 in / 60 cm tall.
N. cordifolia ‘Trifida’: Its fronds are wider and more deeply lobed than those of the standard Lemon Button Fern.
Lemon Button Fern: questions
Is Lemon Button Fern toxic to cats and dogs?
The supplied safety information describes Lemon Button Fern as non-toxic to people and pets. No ASPCA listing is provided here, so it has no ASPCA safety ruling within this…
How much light does Lemon Button Fern need?
Lemon Button Fern grows best in medium to bright indirect light at 150 to 200 μmol·m⁻²·s⁻¹. - Keep the pot 6 ft / 1.8 m from a south, west, or east-facing window. - Avoid an unobstructed view of the sky. If direct light reaches the fronds, diffuse it with a sheer curtain. - Excess sun may scorch…
How often should I water Lemon Button Fern?
Keep Lemon Button Fern consistently moist without making the soil soggy. Insert a knitting needle or chopstick to check moisture at several depths. This reveals wet soil below a surface that may appear dry. Water considerably less during the winter months when active growth slows. - Use room…
