Light
Bright indirect • approx. 10,000–20,000 lux
Nephrolepidaceae
Nephrolepis cordifolia 'Duffii'
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Every plant is hand‑picked for health and visual appeal, so you receive a strong, well‑established plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal, your plant will still match in type and quality.
- Size details:
Listed sizes refer to pot diameter (cm) and approximate overall height (cm) from the base of the pot to the tallest leaf or stem.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
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Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.
- Care basics , Main hub with links to all houseplant care guides.
- After delivery & first week , Unpacking, first placement, and early recovery.
- Light, How much light houseplants really need indoors.
- Watering , When to water and how to avoid root rot.
- Substrates & roots, Potting mixes and drainage for strong root systems.
- Humidity, When humidity matters and what actually helps.
- Fertilizing, Simple feeding routine without burning roots.
- Problems & pests, Yellow leaves, brown tips, bugs, and fixes that work.
- Semi-hydro, How to run low-maintenance mineral substrates.
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Nephrolepis cordifolia 'Duffii'
Quick Care Guide
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
How to read these values
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.
- Light: level and approximate lux at leaf level.
- Watering: “% dry” shows how far the substrate should dry before watering again.
- Substrate: structure, drainage, moisture retention, base material and particle size.
- Temperature: “Ideal” shows the preferred range; “Avoid below” marks the cold-stress threshold.
- Humidity: target range; steady conditions usually matter more than exact numbers.
- Growth habit: how the plant grows, such as upright, climbing, trailing, clumping or rosette-forming.
- Support: whether a stake, pole or trellis is needed, optional or unnecessary.
- Growth speed: expected pace under suitable indoor conditions; use as a guide, not a promise.
- Max size indoors: realistic long-term indoor size under good conditions.
- Toxicity & safety: irritation, toxicity or physical hazards such as spines or bristles.
- Origin & habitat: native range, hybrid background or typical habitat where relevant.
- Outdoor growing: when a potted indoor plant can be placed outside and what outdoor protection it needs.
Nephrolepis cordifolia 'Duffii'
Nephrolepis cordifolia 'Duffii' is a small, finely textured fern often grown as Lemon Button Fern. Its fronds carry rounded pinnae along slender stems, giving the plant a beaded green texture and a neat, small-scale fern shape.
This fern grows from a rhizomatous base and slowly fills its pot with new fronds from below the surface. The compact habit keeps it easy to position on small shelves, in plant cabinets, in terrariums and in mixed humidity setups where a small fern has enough space around its fronds.
Small rounded fronds and tuberous roots
- Growth habit: Compact, clump-forming fern with new fronds rising from a rhizomatous base.
- Frond shape: Slender stems carry small rounded pinnae, creating the lemon-button form.
- Storage organs: The species can produce small underground tubers on stolons, a key Nephrolepis cordifolia trait.
- Container behaviour: Fills small pots gradually and can be divided when several strong growth points are present.
- Humidity: Vitrines, plant cabinets and warm bright indoor spots with stable moisture keep the fronds fresher.
How Lemon Button Fern stores and renews growth
Nephrolepis cordifolia is an accepted fern species in Nephrolepidaceae. Its native range stretches from São Tomé and southwestern Cameroon through the western Indian Ocean and tropical to subtropical Asia into the Pacific. In nature it can grow as a lithophyte or epiphyte, so it is adapted to moisture with good air movement around the root zone.
The species is also known for producing stolons with small underground tubers. In a houseplant pot, those tubers make gentle repotting important. Keep firm tubers attached, remove only loose old substrate, and choose an open mix that lets the rhizome stay moist while still receiving oxygen.
Care for Lemon Button Fern
- Light: Give bright indirect light to gentle filtered light; hot direct sun can dry the small pinnae quickly.
- Watering: Keep the substrate lightly and evenly moist, watering when the surface begins to feel just dry.
- Substrate: Use a fine but airy mix with coco fibre, bark, perlite, and a little composted material for moisture retention.
- Drainage: Choose a pot with drainage holes, because the rhizome needs moisture and oxygen at the same time.
- Humidity: Aim for moderate to high humidity; grouping plants, a humidifier, or a vitrine keeps frond tips fresher.
- Temperature: Keep warm at roughly 18–26 °C and protect from cold draughts that can stall new frond growth.
- Feeding: Feed lightly during active growth with a diluted balanced fertiliser; ferns react poorly to excess salts.
- Repotting: Move up only one pot size when the root mass fills the container, keeping firm tubers and active rhizome sections intact.
- Propagation: Divide mature clumps with several growing points, keeping each division humid while it re-establishes.
Problems to check on Lemon Button Fern
- Crisp tips: Usually linked to dry air, missed watering, or heat from a radiator; check humidity and root moisture.
- Yellow fronds: Often appear on older growth or after soggy conditions; remove tired fronds and check drainage.
- Weak new growth: Can come from very dim placement; move to brighter indirect light and wait for the next frond cycle.
- Brown patches: Direct sun or dry substrate can mark the rounded pinnae; shift the plant away from hot glass.
- Damaged tubers: Rough repotting can set the plant back; keep the root ball together when dividing or refreshing the mix.
Terrarium and cabinet growing notes
'Duffii' stays compact while tolerating the stable humidity of terrariums and plant cabinets. Airflow still matters: a closed container should be opened regularly, and the substrate should stay fresh rather than sour.
For summer placement outdoors, use a shaded, sheltered position only during warm weather. Bring the plant back indoors before nights cool down, and check the dense frond base for pests before it returns to other houseplants.
Pet and household safety
Keep Nephrolepis cordifolia 'Duffii' away from pets and children that chew houseplants. Repeated chewing can damage the fine fronds and may upset sensitive stomachs.
Botanical name and species background
Nephrolepis comes from Greek roots meaning kidney and scale, referring to the kidney-shaped indusia that cover the fern’s spore structures. Cordifolia means heart-leaved, linked to the shape at the base of the pinnae. Nephrolepis cordifolia is the accepted species name, while 'Duffii' is the compact cultivar name used for this lemon-button houseplant.
Nephrolepis cordifolia 'Duffii' stays small and finely textured, with rounded pinnae that give the plant its lemon-button fern character.
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.
Nephrolepis cordifolia 'Duffii'
Sale price€8,75
FAQs about Nephrolepis cordifolia 'Duffii'
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