Plant Identifier
Lemon Button Fern

Lemon Button Fern

Nephrolepis cordifolia 'Duffii'

Family: NephrolepidaceaeNative: Tropics and subtropics worldwideIdentified: Aug 13, 2026

A compact fern featuring upright to arching fronds adorned with small, rounded, button-like pinnae that emit a subtle citrus scent when brushed.

Light
Bright, indirect light for 4 to 6 hours daily; protect from direct hot sun to prevent frond scorch.
Water
Water frequently whenever the top surface of the soil begins to feel slightly dry. Never allow the root system to dry out completely, and ensure excess water drains freely.
Growth
Perennial herbaceous fern with a compact, clumping growth habit, reaching mature heights and spreads of about 12 inches.
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Care instructions

Provide bright, indirect sunlight and keep the soil consistently moist but never waterlogged. Maintain high ambient humidity levels and use a well-draining, organic potting mix. Feed lightly with a balanced liquid fertilizer during the active growing season.

Growing details

Sunlight

Bright, indirect light for 4 to 6 hours daily; protect from direct hot sun to prevent frond scorch.

Watering

Water frequently whenever the top surface of the soil begins to feel slightly dry. Never allow the root system to dry out completely, and ensure excess water drains freely.

Soil

Rich, loose, organic potting soil with excellent drainage and a slightly acidic to neutral pH range of 6.0 to 6.8.

Hardiness zone

USDA zones 9 to 11, grown primarily as an indoor houseplant in cooler climates.

Growth habit

Perennial herbaceous fern with a compact, clumping growth habit, reaching mature heights and spreads of about 12 inches.

Bloom season

Non-flowering

Propagation

Propagated successfully through root division during spring repotting by separating established clumps with healthy fronds and root systems.

Common pests & issues

Prone to brown, crisp frond tips if ambient humidity is too low. Watch for spider mites and scale insects, which can be treated with insecticidal soap.

Similar species

Boston Fern (Nephrolepis exaltata), which features much longer, broader fronds with lance-shaped pinnae rather than the small, rounded buttons of the Lemon Button Fern.