Helenium vs Lace Fern Plant Comparison

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

Helenium

Helenium

Helenium autumnale

VS
Lace Fern

Lace Fern

Nephrolepis exaltata 'Bostoniensis'

Helenium

Helenium

Helenium autumnale

Helenium autumnale, commonly known as sneezeweed, is a herbaceous perennial typically found in moist meadows and along stream banks. It grows to a height of 1-5 feet, featuring lance-shaped leaves arranged alternately along the stems. The plant produces daisy-like flowers with yellow ray florets and a prominent, rounded central disc that is typically yellow or brownish-yellow. It is primarily grown outdoors for its vibrant late-season blooms, attracting pollinators like bees and butterflies. While visually appealing, it's important to note its toxicity.

Asteraceae Native to North America
✨ Features: Attracts butterflies and bees, provides late-season color.
📖 Read Complete Helenium Guide
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

Quick Plant Comparison

Feature Helenium Lace Fern
Light Full sun (at least 6 hours of direct sunlight daily) Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.
Watering Every 3-7 days, depending on weather and soil drainage Every 5-7 days, depending on environmental conditions
Humidity 30-50% 50-70%
Temperature 15-27°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height N/A (Outdoor plant) 30-90 cm
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable. Well-draining, peat-based potting mix
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Helenium

Scientific Name Helenium autumnale
Family Asteraceae
Native To Native to North America
Also Known As Sneezeweed, Common Sneezeweed, Helen's Flower
Leaves The leaves are lance-shaped, alternate, and typically 2-6 inches long. They are usually green and have a slightly rough texture.
Flowers Helenium autumnale produces daisy-like flowers with yellow ray florets and a prominent, rounded central disc that is typically yellow or brownish-yellow. It flowers in late summer and fall.

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.

📏 Size & Growth — Plant Comparison

Helenium

Height N/A (Outdoor plant)
Spread N/A (Outdoor plant)
Growth Rate Moderate
Growth Pattern Helenium autumnale grows upright with branching stems. It forms clumps that gradually expand over time.

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.

🌱 Propagation — Comparing Plant Growth

Helenium

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: Divide clumps in spring or fall. Take stem cuttings in late spring or early summer. Sow seeds in spring after the last frost.

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.

✨ Benefits & Features — Comparing Plant Value

Helenium

Helenium autumnale is known for its late-season blooms, providing color to the garden when many other plants have finished flowering. Its flowers are also a valuable source of nectar for pollinators preparing for winter.

  • ✓ Attracts pollinators to the garden
  • ✓ Provides late-season color
  • ✓ Requires minimal maintenance once established
  • ✓ Adds a natural, wildflower aesthetic to the landscape
  • ✓ Supports local ecosystems by providing food for insects.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Helenium

Repotting N/A (Outdoor plant)
Pruning Deadhead spent flowers to encourage more blooms. Cut back stems to the ground in late fall or early spring.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In spring, divide clumps if needed. In summer, water regularly and fertilize monthly. In fall, deadhead spent flowers. In winter, cut back stems to the ground after they have died back.

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.

🌞 Light Requirements

Helenium

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

Lace Fern

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

Low light tolerant: ✅ Yes

💧 Watering Needs

Helenium

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can manifest as yellowing leaves and a soggy soil.

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.

🌡️ Temperature & Humidity

Helenium

Temperature: 15-27°C

Humidity: 30-50%

Lace Fern

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Helenium

Helenium

Helenium autumnale
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for late-season blooms to attract pollinators in sunny locations.

✅ Choose This Plant If...

  • You want to attract butterflies and bees to your garden.
  • You need a plant that blooms late in the season.
  • You have a sunny location with well-drained soil.
  • You want a low-maintenance perennial.
  • You enjoy the vibrant colors of yellow and orange in your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny garden location.
  • You are allergic to plants in the Asteraceae family.
📍 Ideal Location: Outdoor garden or flower bed with full sun exposure.
🎨 Style: Cottage, Naturalistic, Wildflower
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains sesquiterpene lactones which can cause gastrointestinal upset (vomiting, diarrhea), dermatitis, and possibly nervous system depression. All parts of the plant are considered toxic.
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.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Helenium is rated Expert care level, while Lace Fern is Moderate.

💡 Pro Tips For Comparing These Plants

Helenium Care Tips

Helenium autumnale is an outdoor perennial that requires full sun and well-drained soil. It is not suitable for indoor growing due to its high light requirements and large size. Attempting to grow it indoors will likely result in a weak, leggy plant that does not flower properly. Furthermore, its toxicity to pets makes it a less desirable indoor plant.

  • Provide full sun for optimal flowering.
  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Divide clumps every 2-3 years to maintain vigor.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Cut back stems to the ground after they have died back. A layer of mulch can help protect the roots in colder climates.
☀️ Summer: Water regularly during dry periods. Fertilize monthly with a balanced liquid fertilizer. Monitor for pests and diseases.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Helenium

Common Issues: Powdery mildew, Aphids, Root rot, Leaf spot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering. Leaf spot: Remove affected leaves and apply a fungicide.

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.

❓ Frequently Asked Questions — Comparing These Plants

Helenium

What are the light requirements for Helenium?

Helenium requires at least 6 hours of direct sunlight per day to thrive and produce abundant blooms. Insufficient light can lead to leggy growth, reduced flowering, and weaker stems. Choose a location in your garden that receives full sun exposure throughout the day. If growing Helenium in containers, place them in a sunny spot on a patio or deck. In hotter climates, provide some afternoon shade to prevent scorching of the leaves and flowers. When starting Helenium indoors, use grow lights to supplement natural light and ensure strong, healthy seedlings. Rotate plants regularly to ensure even light exposure on all sides.

How do I care for Helenium?

Helenium thrives in full sun and well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage continuous blooming throughout the season. Divide clumps every 2-3 years in spring or fall to maintain vigor and prevent overcrowding. Provide support for taller varieties to prevent them from flopping over. Monitor for pests like aphids and spider mites, and treat as needed. Mulch around the base of the plant to retain moisture and suppress weeds. Prune back stems in late fall or early spring to promote bushier growth. With proper care, Helenium will reward you with a profusion of colorful flowers from summer to fall.

How do I propagate Helenium?

Helenium can be propagated by division, stem cuttings, or seed.

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.

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.