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





Lemon Button Fern
VAT included · plus
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Nephrolepis cordifolia 'Duffii'
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
Origin & habitat
Cultivar of Nephrolepis cordifolia; species native from tropical Asia to Pacific and parts of Africa
Outdoor growing
Outside from 12 °C · sheltered from wind
These care values are quick reference points for indoor growing. Use them as a guide, then adjust for pot size, substrate, temperature and how quickly the substrate dries.
For more detail, read the full product description or visit our Plant Care Guides.
Nephrolepis cordifolia 'Duffii' replaces the long, feathery look of a typical sword fern with rows of tiny rounded leaflets. Packed along short arching fronds, these glossy green “buttons” form a dense, finely beaded clump. Fresh foliage can give off a light lemon scent when rubbed, although the fragrance is much clearer on some plants than on others.
New fronds appear tightly curled at the centre and gradually unroll, adding paler detail above the open foliage. Slender runners can travel out from the crown and make new plantlets, allowing the compact centre to spread beyond its original footprint. The species can also form small, scaly storage tubers below the surface.
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.
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