Light
Bright indirect • approx. 10,000–20,000 lux





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Nephrolepis cordifolia 'Duffii' Nephrolepis cordifolia 'Duffii' is a small lemon button fern with wiry arching fronds and rows of rounded leaflets that give the plant a crisp, beaded texture. Its fine scale keeps the plant proportionate in smaller pots, terrarium-style displays and humid plant groupings where delicate fern texture is the focus. Growth rises from a compact centre that gradually fills out with fresh fronds, creating a tidy, rounded outline over time. Bright filtered light, higher humidity, open drainage and lightly moist substrate keep the crown active without leaving it waterlogged.
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~10–20% dry
Substrate
Moisture-retentive but aerated • Evenly moist • Organic-leaning • Fine-medium
Temperature
Ideal: 18–24 °C • Avoid below: 10 °C
Humidity
Moist 50–60 %
Growth habit
Arching clumping terrestrial fern.
Support
Not needed
Growth speed
High
Max size indoors
Max. height: 30 cm • Max. spread: 30 cm
Toxicity & safety
Non-toxic & Pet Friendly
Origin & habitat
Cultivar of Nephrolepis cordifolia
These care values are practical reference points for indoor growing. Use them as a starting point, then adjust for your room, pot size, substrate, temperature and how quickly the plant dries.
For more context, read the full product description or visit our Plant Care Guides.
Move outside once nights stay above
10°C
Bring under cover below
5°C
Best outdoors in
Frost-free summer patios, Sheltered urban patios
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.