Hart's Tongue Fern vs Queen of the Night Plant Comparison

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

Hart's Tongue Fern

Hart's Tongue Fern

Asplenium scolopendrium

VS
Queen of the Night

Queen of the Night

Selenicereus grandiflorus

Hart's Tongue Fern

Hart's Tongue Fern

Asplenium scolopendrium

Hart's Tongue Fern is an evergreen fern characterized by its simple, strap-shaped fronds. These fronds, resembling a deer's tongue, are glossy green and have a leathery texture. It's primarily an outdoor plant, thriving in cool, damp, shaded environments like woodlands and limestone cliffs. While it can be grown indoors, it requires specific conditions to mimic its natural habitat. People grow it for its unique foliage and architectural interest in shaded gardens or as a curiosity indoors.

Aspleniaceae Europe, eastern North America, and parts of Asia
✨ Features: Unique foliage, air purification (though not extensively studied)
📖 Read Complete Hart's Tongue Fern Guide
Queen of the Night

Queen of the Night

Selenicereus grandiflorus

Selenicereus grandiflorus, commonly known as Queen of the Night, is an epiphytic or lithophytic cactus characterized by its long, sprawling, and often climbing stems. These stems are typically green to grayish-green, ribbed, and adorned with small spines. It is primarily grown for its spectacular, large, fragrant, white flowers that bloom only at night and wither by dawn. The plant is naturally an outdoor plant, thriving in tropical and subtropical climates. While it can be grown indoors, providing the right conditions for flowering can be challenging.

Cactaceae Native to the West Indies, Mexico, and Central America
✨ Features: Spectacular, fragrant, night-blooming flowers
📖 Read Complete Queen of the Night Guide

Quick Plant Comparison

Feature Hart's Tongue Fern Queen of the Night
Light Partial to full shade. Avoid direct sunlight. Bright, indirect light to full sun. Requires several hours of direct sunlight for optimal growth and flowering.
Watering Every 5-7 days, depending on humidity and temperature Every 2-3 weeks during growing season, less in winter
Humidity 60-80% 40-60%
Temperature 13-18°C 18-27°C
Care Level Moderate Expert
Growth Rate Slow Moderate
Max Height 30-60 cm Indoors: 1-3 meters (can be trained to grow on supports)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, humus-rich soil. A mix of peat moss, perlite, and garden soil works well. Well-draining cactus or succulent mix
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Hart's Tongue Fern

Scientific Name Asplenium scolopendrium
Family Aspleniaceae
Native To Europe, eastern North America, and parts of Asia
Also Known As Hart's Tongue Fern, Hart's-tongue Fern
Leaves The leaves, or fronds, are simple, undivided, and strap-shaped, typically 15-45 cm long and 3-6 cm wide. They are a glossy, bright green color with a leathery texture and have slightly wavy edges. The underside of the fronds features rows of sori (spore-producing structures).
Flowers Ferns do not flower. They reproduce via spores.

Queen of the Night

Scientific Name Selenicereus grandiflorus
Family Cactaceae
Native To Native to the West Indies, Mexico, and Central America
Also Known As Queen of the Night, Night-blooming Cereus, Large-flowered Cactus, Sweet-scented Cactus
Leaves This plant does not have true leaves. Instead, it has long, green to grayish-green stems that are ribbed and have small spines along the ribs. These stems function similarly to leaves in photosynthesis.
Flowers The Queen of the Night can flower indoors, but it is more challenging than outdoors. The flowers are large, white, and highly fragrant, typically 20-30 cm in diameter. They bloom only at night and wither by dawn.

📏 Size & Growth — Plant Comparison

Hart's Tongue Fern

Height 30-60 cm
Spread 30-45 cm
Growth Rate Slow
Growth Pattern It grows in a clumping habit, with fronds emerging from a central rhizome. It does not spread aggressively.

Queen of the Night

Height Indoors: 1-3 meters (can be trained to grow on supports)
Spread Indoors: 1-2 meters
Growth Rate Moderate
Growth Pattern The Queen of the Night has a sprawling, climbing growth pattern. Its long, slender stems can reach several meters in length and will benefit from a trellis or other support structure to climb on. It does not spread aggressively.

🌱 Propagation — Comparing Plant Growth

Hart's Tongue Fern

Methods: Spores, Division

Difficulty: Moderate

Tips: Spores require a sterile environment and high humidity to germinate. Division is best done in spring, separating the rhizomes carefully.

Queen of the Night

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Allow stem cuttings to callous over for a few days before planting in well-draining soil. Keep the soil lightly moist until roots develop.

✨ Benefits & Features — Comparing Plant Value

Hart's Tongue Fern

The Hart's Tongue Fern is unique due to its undivided, strap-shaped fronds, which are unlike the typical divided fronds of most ferns. The sori are arranged in neat rows on the underside of the fronds, adding to its distinctive appearance.

  • ✓ Adds unique texture and visual interest to shaded areas.
  • ✓ Non-toxic to pets and children.
  • ✓ Can help improve humidity levels in a small area.
  • ✓ Offers a calming and natural aesthetic.
  • ✓ Relatively low-maintenance once established in the right conditions.
  • 🌬️ NASA-verified air purifier
  • 🐾 Pet Safe

Queen of the Night

The Queen of the Night is unique due to its nocturnal blooming habit and the short lifespan of its flowers. The large, fragrant, white flowers only open for one night, making it a rare and special sight. The plant's epiphytic nature also distinguishes it from typical cacti.

  • ✓ Unique and dramatic aesthetic appeal
  • ✓ Fragrant flowers that bloom at night
  • ✓ Can be a conversation starter due to its unusual blooming habit
  • ✓ Provides a sense of accomplishment when successfully grown
  • ✓ Offers a connection to nature, even indoors
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Hart's Tongue Fern

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Remove any dead or damaged fronds at the base of the plant.
Fertilizing Liquid fern fertilizer diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Increase humidity during dry winter months. In summer, ensure adequate shade to prevent scorching.

Queen of the Night

Repotting Every 2-3 years, or when the plant becomes root-bound
Pruning Prune to remove dead or damaged stems and to control the plant's size and shape.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer)
Seasonal Care During the growing season (spring and summer), provide regular watering and fertilization. In the fall, gradually reduce watering and stop fertilizing. Provide a cool, dry rest period during the winter to encourage flowering in the spring.

🌞 Light Requirements

Hart's Tongue Fern

Partial to full shade. Avoid direct sunlight.

Low light tolerant: ✅ Yes

Queen of the Night

Bright, indirect light to full sun. Requires several hours of direct sunlight for optimal growth and flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Hart's Tongue Fern

Keep the soil consistently moist but not waterlogged. Water when the top inch of soil feels slightly dry. Overwatering can lead to root rot, while underwatering will cause the fronds to brown and crisp.

Queen of the Night

Water thoroughly when the soil is dry to the touch, allowing excess water to drain away. Reduce watering frequency during the dormant winter months. Overwatering can lead to root rot, indicated by soft, mushy stems. Underwatering results in shriveled stems.

🌡️ Temperature & Humidity

Hart's Tongue Fern

Temperature: 13-18°C

Humidity: 60-80%

Queen of the Night

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Hart's Tongue Fern

Hart's Tongue Fern

Asplenium scolopendrium
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide the specific environmental conditions required for healthy growth.

✅ Choose This Plant If...

  • You appreciate unique foliage and architectural plants.
  • You have a shaded, humid environment in your home or garden.
  • You are willing to provide consistent moisture and humidity.
  • You enjoy a plant that adds a touch of woodland charm.
  • You are looking for a non-toxic plant for a home with pets.

❌ Skip This Plant If...

  • You have a dry indoor environment.
  • You tend to overwater plants.
  • You don't have a shaded location.
  • You are a beginner plant owner.
📍 Ideal Location: Bathroom, north-facing window, terrarium
🎨 Style: Woodland, Cottagecore, Naturalistic
🏠 Apartment Friendly: Limited
🌬️ Air Purifying: Yes (NASA verified)
⚠️ According to multiple sources, including the ASPCA, Asplenium species are generally considered non-toxic to dogs, cats, and horses. However, it's always best to prevent pets from consuming any plant material.
Queen of the Night

Queen of the Night

Selenicereus grandiflorus
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific environmental conditions required for this plant to thrive and potentially bloom.

✅ Choose This Plant If...

  • You are an experienced gardener looking for a challenge.
  • You have a very bright, sunny location indoors or a suitable outdoor space.
  • You are fascinated by night-blooming plants.
  • You are willing to provide a cool, dry winter rest to encourage flowering.
  • You appreciate fragrant flowers, even if they are short-lived.

❌ Skip This Plant If...

  • You are a beginner gardener.
  • You have pets that might ingest the plant.
  • You do not have a location with sufficient sunlight.
  • You are looking for a plant that blooms frequently and for extended periods.
  • You are not able to provide a cool, dry winter rest.
📍 Ideal Location: South-facing window or sunroom with ample sunlight
🎨 Style: Bohemian, Tropical, Eclectic
🏠 Apartment Friendly: Limited
⚠️ The ASPCA lists this plant as toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. The specific toxic principle is unknown.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Hart's Tongue Fern ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Hart's Tongue Fern is rated Moderate care level, while Queen of the Night is Expert.

📈

Hart's Tongue Fern has slow growth, while Queen of the Night grows moderate.

💡 Pro Tips For Comparing These Plants

Hart's Tongue Fern Care Tips

Hart's Tongue Fern requires consistent moisture, high humidity, and shade. Indoor cultivation can be challenging due to the need for specific environmental conditions. Providing adequate humidity and avoiding direct sunlight are crucial for success.

  • Provide consistent moisture, but avoid soggy soil.
  • Increase humidity by misting regularly or using a humidifier.
  • Avoid direct sunlight, which can scorch the fronds.
  • Use a well-draining potting mix rich in organic matter.
  • Fertilize sparingly during the growing season.
❄️ Winter: Reduce watering frequency as growth slows. Ensure adequate humidity, as indoor heating can dry out the air. Avoid placing near heat sources.
☀️ Summer: Provide adequate shade to prevent scorching. Increase watering frequency if the soil dries out quickly. Ensure good air circulation to prevent fungal diseases.

Queen of the Night Care Tips

Queen of the Night is challenging to grow indoors due to its high light requirements and need for a distinct dry period in winter to encourage flowering. It requires careful attention to watering and humidity. Flowering indoors is rare without very specific conditions.

  • Provide a trellis or support structure for the stems to climb.
  • Ensure excellent drainage to prevent root rot.
  • Mimic the plant's natural environment with a distinct wet/dry cycle.
  • Provide a cool, dry rest period in winter to encourage flowering.
  • Protect from extreme temperatures and drafts.
❄️ Winter: Reduce watering significantly during the winter months. Provide a cool, dry environment with temperatures around 10-15°C. Avoid fertilizing during this period. This dormancy period is crucial for encouraging flowering in the spring.
☀️ Summer: Increase watering frequency during the summer months, allowing the soil to dry out between waterings. Fertilize monthly with a balanced liquid fertilizer. Provide ample sunlight and protect from intense afternoon sun to prevent scorching.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hart's Tongue Fern

Common Issues: Brown fronds, Root rot, Scale insects, Snail/slug damage
Solutions: Brown fronds: Increase humidity and ensure consistent watering. Root rot: Improve drainage and reduce watering frequency. Scale insects: Treat with insecticidal soap. Snail/slug damage: Use snail bait or handpick them off the plant.

Queen of the Night

Common Issues: Root rot, Lack of flowering, Pest infestations (mealybugs, spider mites), Stem rot
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Repot if necessary. | Lack of flowering: Provide sufficient light and a cool, dry winter rest. | Pest infestations: Treat with insecticidal soap or neem oil. | Stem rot: Remove affected areas and improve ventilation.

❓ Frequently Asked Questions — Comparing These Plants

Hart's Tongue Fern

What are the light requirements for Hart's Tongue Fern?

Hart’s Tongue Fern thrives in bright, indirect light. Direct sunlight can scorch its delicate fronds, leading to brown spots and stunted growth. A north-facing window is often ideal, providing ample light without the harsh intensity. East-facing windows can also work well, as long as the morning sun is not too strong. Avoid placing the fern in direct south or west-facing windows unless you can provide significant shading. Insufficient light can result in pale, leggy growth and a loss of the vibrant green color. Regularly assess your fern’s light exposure and adjust its placement as needed to ensure optimal growth and health.

How do I care for Hart's Tongue Fern?

Hart’s Tongue Fern requires specific care to thrive. Provide bright, indirect light, avoiding direct sunlight which can scorch the fronds. Maintain consistently moist soil, but avoid overwatering which can lead to root rot. Water when the top inch of soil feels dry. High humidity is crucial; aim for 60-80% humidity. Use a well-draining potting mix rich in organic matter. Fertilize sparingly during the growing season (spring and summer) with a diluted liquid fertilizer. Keep temperatures between 60-70°F (15-21°C). Prune away any dead or damaged fronds to encourage new growth. Repot only when necessary, usually every 2-3 years. Protect from drafts and sudden temperature changes. Regular misting is beneficial.

How do I propagate Hart's Tongue Fern?

Hart’s Tongue Fern can be propagated through division or spores. For division, carefully separate the rhizome into sections, ensuring each section has healthy fronds and roots. Plant each section in its own pot with well-draining soil. To propagate from spores, collect spores from mature fronds. Sow the spores on a sterile growing medium and maintain high humidity. Germination can take several weeks. Division is the easier and more common method. Ensure each division has adequate roots before repotting. Provide high humidity and indirect light during the propagation process.

Queen of the Night

What are the light requirements for Queen of the Night?

Queen of the Night cacti thrive in bright, indirect light. Direct sunlight can scorch the stems, especially during the hottest part of the day. An east-facing window is ideal, providing morning sun, while a west-facing window with some shading can also work. If grown indoors, supplement with grow lights if natural light is insufficient.

How do I care for Queen of the Night?

Queen of the Night cacti require bright, indirect light, well-draining soil, and careful watering. Water thoroughly when the top inch of soil is dry during the growing season (spring and summer), but reduce watering significantly during the dormant period (fall and winter). Avoid overwatering, as this can lead to root rot.

How do I propagate Queen of the Night?

Queen of the Night can be propagated through offsets, seeds, or grafting. Offsets, which are small plantlets that grow from the base of the plant, can be carefully removed and potted in well-draining cactus mix. Allow the cut end to callous over for a few days before planting.

Last updated: April 21, 2026 — Plant care data reviewed and verified by our editorial team.