Lemon Button Fern (Nephrolepis cordifolia 'Duffii')

A petite, charming fern with arching fronds lined with tiny, round, button-like leaflets that give off a subtle lemony scent when touched — hence the name. At only 30-40 cm tall and wide, it's a perfectly scaled fern for tabletops, terrariums, and small garden nooks. Unlike many ferns that can be fussy, the Lemon Button Fern is surprisingly forgiving and adapts well to indoor conditions, making it one of the best ferns for Filipino apartment dwellers.

Ornamental Foliage Toxic to Pets Container Friendly Easy

About Lemon Button Fern

A petite, charming fern with arching fronds lined with tiny, round, button-like leaflets that give off a subtle lemony scent when touched — hence the name. At only 30-40 cm tall and wide, it's a perfectly scaled fern for tabletops, terrariums, and small garden nooks. Unlike many ferns that can be fussy, the Lemon Button Fern is surprisingly forgiving and adapts well to indoor conditions, making it one of the best ferns for Filipino apartment dwellers. Lemon Button Fern belongs to the Nephrolepidaceae family and originates from A cultivar of Nephrolepis cordifolia, which is native to tropical and subtropical regions worldwide, including the Philippines..

The Lemon Button Fern has become a favorite among Filipino plantitas for small spaces — condos, apartments, and office desks in Makati and BGC. Its compact size and tolerance for indoor conditions make it perfect for urban Filipino living. Available at Quezon Avenue nurseries, Cartimar, and online sellers on Shopee for very affordable prices. Filipino gardeners also love using it in fairy gardens, terrariums, and as a tabletop accent in restaurant and cafe plantscaping.

Also known as: Button Fern, Duffii Fern, Fishbone Fern.

Popular Varieties

  • Nephrolepis cordifolia 'Duffii' (Lemon Button Fern — compact, round leaflets)
  • Nephrolepis exaltata 'Bostoniensis' (Boston Fern — larger, classic arching fronds)
  • Nephrolepis cordifolia (Tuberous Sword Fern — wild species, larger)
  • Nephrolepis exaltata 'Fluffy Ruffles' (ruffled fronds, compact)

How to Plant Lemon Button Fern in the Philippines

Lemon Button Fern can be propagated through division, runners/stolons. The recommended method is division of established clumps.

Propagation Steps

  1. Step 1: Gently remove the fern from its pot and shake off loose soil.
  2. Step 2: Divide the root ball into 2-3 sections — each with several fronds and a good root mass.
  3. Step 3: Pot each division in a well-draining, humus-rich mix (coco coir, compost, perlite).
  4. Step 4: Water thoroughly and place in bright indirect light.
  5. Step 5: Keep soil moist (not soggy) for the first 2-3 weeks until new fronds appear.

Care Guide

Sunlight

Bright indirect light to partial shade (morning sun is fine; avoid direct afternoon sun which scorches the delicate fronds). Position your lemon button fern where it receives the right amount of light for healthy growth in Philippine conditions.

Water

Keep soil consistently moist but not waterlogged. Water when the top 1-2 cm of soil feels dry — roughly every 2-3 days in Philippine weather. More tolerant of slight drying than most ferns. Adjust frequency during the Philippine rainy season when humidity is higher and soil stays moist longer.

Temperature & Humidity

Ideal temperature range: 22-30°C (comfortable in Philippine indoor environments; avoid placing near air conditioning vents). Medium to high humidity preferred — natural Philippine humidity works well. In air-conditioned rooms, mist regularly or use a pebble tray. The warm, humid Philippine climate is well-suited for growing lemon button fern outdoors or indoors.

Fertilizer

Light feeding — dilute balanced liquid fertilizer to half strength monthly during the growing season. Ferns are sensitive to overfeeding.

Pruning

Remove brown, dried, or damaged fronds at the base to keep the plant looking tidy. No major pruning needed.

Toxicity & Safety

Non-toxic. Safe for homes with children and pets — one of the safest ferns to keep indoors.

Common Problems & Solutions

Brown, crispy frond tips

Cause: Low humidity, underwatering, or direct sun exposure

Solution: Increase humidity with misting or a pebble tray. Move away from direct sun. Maintain consistent moisture.

Pale or yellowish fronds

Cause: Too much direct light or nutrient deficiency

Solution: Move to a shadier spot. Apply diluted liquid fertilizer monthly.

Dropping leaflets (buttons)

Cause: Underwatering, overwatering, or temperature shock

Solution: Check soil moisture — adjust watering schedule. Avoid placing near AC vents or fans.

Scale insects on fronds

Cause: Indoor pest common on ferns

Solution: Wipe affected fronds with cotton dipped in rubbing alcohol. Apply neem oil spray every 7 days. Isolate plant from others.

Frequently Asked Questions

How do you care for Lemon Button Fern in the Philippines?

Lemon Button Fern needs bright indirect light to partial shade (morning sun is fine; avoid direct afternoon sun which scorches the delicate fronds). Water keep soil consistently moist but not waterlogged. water when the top 1-2 cm of soil feels dry — roughly every 2-3 days in philippine weather. more tolerant of slight drying than most ferns.. Feed with light feeding — dilute balanced liquid fertilizer to half strength monthly during the growing season. ferns are sensitive to overfeeding.. The Philippine climate with temperatures of 22-30°C (comfortable in Philippine indoor environments; avoid placing near air conditioning vents) works well for this plant.

How do you propagate Lemon Button Fern?

The recommended method is division of established clumps. Gently remove the fern from its pot and shake off loose soil. Divide the root ball into 2-3 sections — each with several fronds and a good root mass.

Is Lemon Button Fern toxic to pets or children?

Non-toxic. Safe for homes with children and pets — one of the safest ferns to keep indoors.

Can Lemon Button Fern grow in containers in the Philippines?

Yes, Lemon Button Fern grows well in containers and is suitable for balcony and indoor gardening in Metro Manila condos and apartments. Use a pot with drainage holes and appropriate potting mix.

What are common problems when growing Lemon Button Fern?

Common issues include: Brown, crispy frond tips (caused by low humidity, underwatering, or direct sun exposure — increase humidity with misting or a pebble tray. move away from direct sun. maintain consistent moisture); Pale or yellowish fronds (caused by too much direct light or nutrient deficiency — move to a shadier spot. apply diluted liquid fertilizer monthly); Dropping leaflets (buttons) (caused by underwatering, overwatering, or temperature shock — check soil moisture — adjust watering schedule. avoid placing near ac vents or fans).

Growing lemon button fern in Manila? Tag us @urbangoesgreen on TikTok and show us your garden!