About Maidenhair Fern
A delicate, ethereal fern with cascading fronds of tiny, fan-shaped leaflets held on wiry, dark stems that shimmer and dance in the slightest breeze. Considered one of the most beautiful but also most demanding ferns, the Maidenhair rewards attentive growers with an unmatched display of fine-textured, light-green foliage. A true classic in Filipino gardens and bathrooms. Maidenhair Fern belongs to the Pteridaceae family and originates from Tropical and subtropical Americas; naturalized in tropical regions worldwide including the Philippines..
Maidenhair Fern, known as 'kulantrillo' in Filipino, is a beloved classic in Philippine gardens. Lolas have grown it for generations in shaded garden corners, on bathroom windowsills, and near outdoor faucets where humidity is naturally high. Widely available at Cartimar, Quezon Avenue nurseries, and provincial markets for PHP 50-200. It thrives in the Philippines' humidity — its biggest enemy here is the intense midday heat. Filipino gardeners often place it in shaded areas near water features, under trees, or in the natural humidity of outdoor washrooms (lababo). A true heritage plant in Filipino gardening culture.
Also known as: Kulot-kulot.
Popular Varieties
- Adiantum raddianum 'Fragrans' (compact, fragrant when touched)
- Adiantum raddianum 'Fritz Luthii' (very fine, lacy fronds — highly prized)
- Adiantum capillus-veneris (Venus Maidenhair — the original species)
- Adiantum peruvianum (Silver Dollar Maidenhair — larger, rounded leaflets)
How to Plant Maidenhair Fern in the Philippines
Maidenhair Fern can be propagated through division, spores. The recommended method is division of established clumps during the rainy season.
Propagation Steps
- Step 1: Gently remove the fern from its pot and shake off excess soil.
- Step 2: Divide the root ball into 2-3 sections, ensuring each has several fronds and healthy roots.
- Step 3: Trim away any brown or dead fronds from each division.
- Step 4: Pot in a moisture-retentive mix of peat, compost, and perlite.
- Step 5: Water thoroughly, place in deep shade with high humidity, and mist daily until new fronds emerge.
Care Guide
Sunlight
Bright indirect light to full shade; absolutely no direct sun, which burns the delicate fronds instantly. Position your maidenhair fern where it receives the right amount of light for healthy growth in Philippine conditions.
Water
Keep soil consistently moist at all times — never allow it to dry out completely. Water daily or every other day. If the soil dries out, fronds will crisp up and die. However, avoid waterlogging. Adjust frequency during the Philippine rainy season when humidity is higher and soil stays moist longer.
Temperature & Humidity
Ideal temperature range: 18-27°C (prefers the cooler end of Manila's range; protect from intense afternoon heat). Very high — 70-90%. The key to success. Place in bathrooms, on pebble trays, or near water features. Mist frequently in dry environments. The warm, humid Philippine climate is well-suited for growing maidenhair fern outdoors or indoors.
Fertilizer
Diluted liquid fern fertilizer or balanced fertilizer (10-10-10) at quarter strength every 2-3 weeks during the growing season.
Pruning
If the plant dries out and all fronds die, cut everything back to soil level. Keep the soil moist — new fronds will often emerge from the rootstock.
Toxicity & Safety
Non-toxic to humans and pets. Traditionally used in Filipino folk medicine as herbal tea (kulantrillo tea).
Common Problems & Solutions
Fronds turning brown and crispy
Cause: Low humidity, underwatering, or direct sun exposure
Solution: Increase humidity dramatically — move to a bathroom, use a humidifier, or create a pebble tray. Never let soil dry out.
Entire plant appears dead
Cause: Severe dehydration or heat exposure
Solution: Cut all fronds back to soil level. Keep the root ball consistently moist and in deep shade — Maidenhair ferns can often resurrect from the roots.
Yellowing fronds
Cause: Overwatering with poor drainage, or too much direct light
Solution: Improve drainage while maintaining moisture. Move to a shadier location. Ensure pot is not sitting in standing water.
Small scale insects on fronds
Cause: Dry indoor conditions
Solution: Avoid chemical pesticides on delicate fronds. Rinse with a gentle stream of water. Increase humidity to deter pests.
Frequently Asked Questions
How do you care for Maidenhair Fern in the Philippines?
Maidenhair Fern needs bright indirect light to full shade; absolutely no direct sun, which burns the delicate fronds instantly. Water keep soil consistently moist at all times — never allow it to dry out completely. water daily or every other day. if the soil dries out, fronds will crisp up and die. however, avoid waterlogging.. Feed with diluted liquid fern fertilizer or balanced fertilizer (10-10-10) at quarter strength every 2-3 weeks during the growing season.. The Philippine climate with temperatures of 18-27°C (prefers the cooler end of Manila's range; protect from intense afternoon heat) works well for this plant.
How do you propagate Maidenhair Fern?
The recommended method is division of established clumps during the rainy season. Gently remove the fern from its pot and shake off excess soil. Divide the root ball into 2-3 sections, ensuring each has several fronds and healthy roots.
Is Maidenhair Fern toxic to pets or children?
Non-toxic to humans and pets. Traditionally used in Filipino folk medicine as herbal tea (kulantrillo tea).
Can Maidenhair Fern grow in containers in the Philippines?
Yes, Maidenhair 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 Maidenhair Fern?
Common issues include: Fronds turning brown and crispy (caused by low humidity, underwatering, or direct sun exposure — increase humidity dramatically — move to a bathroom, use a humidifier, or create a pebble tray. never let soil dry out); Entire plant appears dead (caused by severe dehydration or heat exposure — cut all fronds back to soil level. keep the root ball consistently moist and in deep shade — maidenhair ferns can often resurrect from the roots); Yellowing fronds (caused by overwatering with poor drainage, or too much direct light — improve drainage while maintaining moisture. move to a shadier location. ensure pot is not sitting in standing water).
Growing maidenhair fern in Manila? Tag us @urbangoesgreen on TikTok and show us your garden!