Lace Fern vs Mole Plant Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'

VS
Mole Plant

Mole Plant

Araujia sericifera

Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'

The Lace Fern, a cultivar of the Boston Fern, is prized for its delicate, finely divided fronds that create a lacy appearance. It's an evergreen perennial fern, typically grown indoors as a houseplant, although it thrives outdoors in warm, humid climates. Its arching fronds bring a lush, tropical feel to any space. People grow it for its air-purifying qualities and its ability to add texture and visual interest to indoor environments. It is not naturally an indoor plant, but adapts well with proper care.

Nephrolepidaceae Tropical regions worldwide, specifically a mutation of Nephrolepis exaltata found in Boston, Massachusetts.
✨ Features: Air purifying
📖 Read Complete Lace Fern Guide
Mole Plant

Mole Plant

Araujia sericifera

Araujia sericifera, commonly known as Mole Plant or Cruel Plant, is a vigorous, twining vine that can grow up to 5-7 meters in length. It's an aggressive climber, often found smothering other vegetation. The plant produces attractive, fragrant, trumpet-shaped flowers, typically white or pale pink with purple tinges. These flowers attract moths and other insects, which can become trapped in the flower's intricate structure, hence the name 'Cruel Plant'. It is primarily an outdoor plant and not suited for indoor cultivation due to its size and invasive nature. People may grow it for its interesting flowers, but its invasive potential makes it a problematic choice.

Apocynaceae South America (Argentina, Brazil, Paraguay, Uruguay)
✨ Features: Attractive, fragrant flowers; seed pods with silky parachutes.
📖 Read Complete Mole Plant Guide

Quick Plant Comparison

Feature Lace Fern Mole Plant
Light Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. Full sun to partial shade
Watering Every 5-7 days, depending on environmental conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 50-70% 40-60%
Temperature 18-24°C 15-25°C
Care Level Moderate Expert
Growth Rate Moderate Fast
Max Height 30-90 cm Outdoors: 5-7 meters. Indoors: Not suitable for indoor growing.
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, peat-based potting mix Well-draining soil, such as a sandy loam
Beginner Friendly With Caution ❌ No
Weekly Maintenance 15 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Lace Fern

Scientific Name Nephrolepis exaltata 'Bostoniensis'
Family Nephrolepidaceae
Native To Tropical regions worldwide, specifically a mutation of Nephrolepis exaltata found in Boston, Massachusetts.
Also Known As Boston Fern, Sword Fern, Lace Fern
Leaves The leaves, or fronds, of the Lace Fern are finely divided and delicate, creating a lacy appearance. They are typically bright green and have a soft, feathery texture. Each frond is composed of numerous small leaflets (pinnae) that are deeply lobed and intricately cut.
Flowers Lace Ferns do not flower indoors. Ferns reproduce via spores, not flowers.

Mole Plant

Scientific Name Araujia sericifera
Family Apocynaceae
Native To South America (Argentina, Brazil, Paraguay, Uruguay)
Also Known As Mole Plant, Cruel Plant, White Bladderflower, Kapok Vine
Leaves The leaves are opposite, oval to lance-shaped, and typically 5-10 cm long. They are smooth and dark green on the upper surface and paler underneath. The leaves produce a milky sap when damaged.
Flowers The flowers are trumpet-shaped, about 2-3 cm in diameter, and typically white or pale pink with purple tinges. They are fragrant and attract moths and other insects. Flowering occurs in summer and autumn.

📏 Size & Growth — Plant Comparison

Lace Fern

Height 30-90 cm
Spread 30-90 cm
Growth Rate Moderate
Growth Pattern The Lace Fern grows in an arching, cascading habit. It produces numerous fronds from a central rhizome, creating a full and bushy appearance. The fronds gracefully droop, making it ideal for displaying in hanging baskets or on elevated surfaces.

Mole Plant

Height Outdoors: 5-7 meters. Indoors: Not suitable for indoor growing.
Spread Outdoors: Spreads aggressively via seeds and rhizomes. Indoors: Not applicable.
Growth Rate Fast
Growth Pattern Araujia sericifera is a vigorous, twining vine that climbs by wrapping its stems around supports. It can quickly cover fences, walls, and other vegetation, often smothering other plants in the process. Its growth is aggressive and expansive.

🌱 Propagation — Comparing Plant Growth

Lace Fern

Methods: Division, Spores

Difficulty: Moderate

Tips: Division is best done in spring. Carefully separate the rhizomes and plant them in individual pots. Spore propagation is more challenging and requires a sterile environment.

Mole Plant

Methods: Seeds, Stem cuttings

Difficulty: Easy

Tips: For seeds, soak them in water for 24 hours before sowing. For stem cuttings, take cuttings in spring or summer and root them in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

Lace Fern

The Lace Fern is a cultivar of the Boston Fern, known for its finely divided, lacy fronds. This gives it a more delicate and textured appearance compared to the standard Boston Fern. Its graceful, arching habit makes it a popular choice for hanging baskets and shelves.

  • ✓ Improved air quality
  • ✓ Adds a lush, tropical aesthetic to your home
  • ✓ Non-toxic to pets
  • ✓ Can help increase humidity in dry environments
  • ✓ Provides a calming and relaxing atmosphere
  • 🌬️ NASA-verified air purifier
  • 🐾 Pet Safe

Mole Plant

The flowers of Araujia sericifera are known for trapping insects, earning it the name 'Cruel Plant'. The seed pods contain silky parachutes that aid in wind dispersal, contributing to its invasive spread. The milky sap is also a distinguishing characteristic.

  • ✓ Provides quick coverage for fences or walls.
  • ✓ Attracts pollinators to the garden.
  • ✓ Unique and interesting flowers.
  • ✓ Can be used for erosion control in certain situations.
  • ✓ Provides shade.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lace Fern

Repotting Every 1-2 years, or when the plant becomes root-bound
Pruning Remove dead or yellowing fronds to maintain appearance and encourage new growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In winter, reduce watering frequency as growth slows. Maintain humidity levels. In summer, ensure adequate moisture and protect from direct sunlight.

Mole Plant

Repotting Not applicable as it's not suitable for indoor growing.
Pruning Prune regularly to control its spread and remove dead or damaged growth.
Fertilizing Balanced fertilizer (10-10-10) during the growing season (spring and summer), diluted to half strength. Fertilize every 4-6 weeks.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and stop fertilizing. Protect from frost in winter.

🌞 Light Requirements

Lace Fern

Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.

Low light tolerant: ✅ Yes

Mole Plant

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Lace Fern

Water thoroughly when the top inch of soil feels dry to the touch. Ensure proper drainage to prevent root rot. Overwatering can lead to yellowing fronds and root rot. Underwatering results in crispy, brown fronds.

Mole Plant

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the dormant season.

🌡️ Temperature & Humidity

Lace Fern

Temperature: 18-24°C

Humidity: 50-70%

Mole Plant

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Those who enjoy a lush, tropical look and are willing to provide the necessary humidity and care.

✅ Choose This Plant If...

  • You want a plant that helps purify the air.
  • You love the look of delicate, lacy foliage.
  • You are prepared to provide high humidity.
  • You want a non-toxic plant for your pets.
  • You have a bright, indirectly lit space.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a very dry climate and are unwilling to use a humidifier.
  • You prefer low-maintenance plants that require minimal attention.
📍 Ideal Location: Bathroom, kitchen, or any room with high humidity and bright, indirect light.
🎨 Style: Bohemian, Tropical, Traditional
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ According to the ASPCA, Boston Ferns (Nephrolepis exaltata) are non-toxic to dogs, cats, and horses.
Mole Plant

Mole Plant

Araujia sericifera
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in regions where it is not considered an invasive species who are looking for a fast-growing vine with unique flowers.

✅ Choose This Plant If...

  • You are looking for a fast-growing vine to cover a large area quickly.
  • You appreciate unique and fragrant flowers.
  • You are an experienced gardener comfortable managing potentially invasive plants.
  • You want to attract moths and other pollinators to your garden.
  • You live in a climate where it is not considered an invasive species.

❌ Skip This Plant If...

  • You have pets or small children due to its toxicity.
  • You live in an area where it is considered an invasive species.
  • You are looking for a low-maintenance plant.
  • You want a plant suitable for indoor growing.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Wild, Naturalistic
🏠 Apartment Friendly: No
⚠️ All parts of the plant are considered toxic, especially the milky sap. It can cause irritation to the skin and gastrointestinal upset if ingested. Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and skin irritation.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Lace Fern ✓
Less Maintenance Similar effort
Apartment Friendly Lace Fern

⚡ Key Differences Between These Plants

🎯

Lace Fern is rated Moderate care level, while Mole Plant is Expert.

📈

Lace Fern has moderate growth, while Mole Plant grows fast.

💡 Pro Tips For Comparing These Plants

Lace Fern Care Tips

Lace Ferns require consistent moisture, high humidity, and bright, indirect light. Maintaining adequate humidity is crucial for preventing brown, crispy fronds. They are not particularly difficult, but require more attention than some other houseplants.

  • Mist the fronds regularly to increase humidity.
  • Use a humidifier if the air is dry.
  • Water thoroughly when the top inch of soil feels dry.
  • Avoid placing the plant in direct sunlight.
  • Fertilize regularly during the growing season.
❄️ Winter: Reduce watering frequency in winter as growth slows. Ensure the plant is not exposed to cold drafts. Maintain humidity levels, as indoor heating can dry out the air.
☀️ Summer: Water more frequently in summer as the plant actively grows. Protect from direct sunlight to prevent scorching. Increase humidity by misting or using a humidifier.

Mole Plant Care Tips

Araujia sericifera is an aggressive outdoor vine that is not suitable for indoor cultivation. It requires full sun and well-draining soil. Its invasive nature and toxicity make it a challenging plant to manage. It is toxic to pets and can cause skin irritation.

  • Monitor for invasive spread and remove seed pods before they mature.
  • Provide a strong support structure for the vine to climb.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize during the growing season with a balanced fertilizer.
  • Prune regularly to maintain shape and control growth.
❄️ Winter: Protect from frost. Reduce watering significantly. No fertilization is needed during winter dormancy.
☀️ Summer: Provide regular watering and fertilization during the growing season. Monitor for pests and diseases. Ensure adequate support for the vine to climb.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lace Fern

Common Issues: Brown, crispy fronds; Yellowing fronds; Root rot; Scale insects
Solutions: Brown, crispy fronds: Increase humidity by misting regularly or using a humidifier. Yellowing fronds: Check for overwatering or nutrient deficiency. Adjust watering schedule and fertilize if needed. Root rot: Ensure proper drainage and avoid overwatering. Repot in fresh soil if necessary. Scale insects: Wipe off with a damp cloth or use insecticidal soap.

Mole Plant

Common Issues: Invasive growth, Aphids, Root rot
Solutions: Control spread by removing seed pods before they mature. Treat aphids with insecticidal soap. Prevent root rot by ensuring well-draining soil and avoiding overwatering.

❓ Frequently Asked Questions — Comparing These Plants

Lace Fern

What are the light requirements for Lace Fern?

Lace Ferns require bright, indirect light to thrive. Direct sunlight can burn their delicate fronds, causing them to turn brown and crispy. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but be sure the fern receives sufficient ambient light. If your Lace Fern is placed in a location with less natural light, consider supplementing with a grow light. Avoid placing the fern near south- or west-facing windows without a sheer curtain to filter the harsh sunlight. Rotate the plant regularly to ensure even light exposure and prevent it from leaning towards the light source. Observe the fronds for signs of insufficient light, such as pale green color or leggy growth.

How do I care for Lace Fern?

Lace Ferns thrive in bright, indirect light. Avoid direct sunlight, which can scorch their delicate fronds. Water regularly, keeping the soil consistently moist but not waterlogged. Use well-draining potting mix to prevent root rot. Maintain high humidity levels by misting regularly, using a humidifier, or placing the fern on a pebble tray filled with water. Fertilize monthly during the growing season (spring and summer) with a diluted liquid fertilizer formulated for ferns. Repot annually in the spring to refresh the soil and provide room for growth. Prune away any dead or yellowing fronds to encourage new growth and maintain a tidy appearance. Protect from drafts and sudden temperature changes. Monitor for pests such as spider mites and scale, and treat promptly if detected.

How do I propagate Lace Fern?

Lace Ferns can be propagated by division or spores. For division, carefully separate the rhizomes during repotting, ensuring each division has healthy roots and fronds. Plant each division in its own pot with well-draining potting mix. For spore propagation, collect spores from mature fronds and sow them on a sterile potting mix. Cover with a plastic dome to maintain high humidity. Keep the mix consistently moist and provide bright, indirect light. Spores can take several weeks to germinate, and it will be several months before you have a plant large enough to pot up. Division is the much easier and faster method.

Mole Plant

What are the light requirements for Mole Plant?

Mole Plant thrives best in full sun, requiring at least 6-8 hours of direct sunlight per day. However, it can tolerate partial shade, especially in hotter climates where intense afternoon sun can scorch the leaves. When grown indoors, place it near a south-facing window to maximize light exposure. Rotate the plant regularly to ensure even growth. Insufficient light can lead to leggy growth and reduced flowering. Supplement with grow lights if natural light is limited, especially during winter months. Monitor the plant for signs of stress, such as pale leaves or stunted growth, which may indicate insufficient light.

How do I care for Mole Plant?

Mole Plant thrives in well-draining soil and prefers full sun to partial shade. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Fertilize sparingly, using a balanced liquid fertilizer diluted to half strength during the growing season (spring and summer). Avoid over-fertilizing, which can harm the plant. Provide adequate air circulation to prevent fungal diseases. Prune to remove dead or damaged foliage and to maintain desired shape. Protect from frost and freezing temperatures. Repot when the plant becomes root-bound, usually every 1-2 years. Monitor for pests such as aphids and spider mites, and treat promptly if detected. Remember that Mole Plant is toxic and should be kept away from children and pets.

How do I propagate Mole Plant?

Mole Plant can be propagated through seeds. Collect seeds from dried flower heads. Sow seeds in well-draining soil in spring. Keep soil moist and provide bright, indirect light. Seedlings should emerge in a few weeks. Once large enough to handle, transplant into individual pots. Alternatively, stem cuttings can be taken in spring or summer. Allow the cut end to callous over for a few days before planting in well-draining soil. Keep the soil moist and provide bright, indirect light. Rooting should occur in a few weeks. Division is not generally recommended for Euphorbia lathyris.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.