Foxtail Fern vs Lacebark Elm Plant Comparison

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

Foxtail Fern

Foxtail Fern

Asparagus densiflorus 'Sprengeri'

VS
Lacebark Elm

Lacebark Elm

Ulmus parvifolia

Foxtail Fern

Foxtail Fern

Asparagus densiflorus 'Sprengeri'

The Foxtail Fern, Asparagus densiflorus 'Sprengeri', is not a true fern but a member of the asparagus family. It features arching plumes of needle-like, bright green 'leaves' (actually cladodes) that resemble foxtails, giving it a soft, feathery appearance. It grows from tuberous roots and can spread. Primarily an outdoor plant in warmer climates, it's often grown indoors for its unique texture and visual appeal. People grow it for its ornamental value and relatively easy care, although it can be challenging to maintain indoors long-term.

Asparagaceae South Africa
✨ Features: Unique texture and form, adds visual interest to indoor spaces.
📖 Read Complete Foxtail Fern Guide
Lacebark Elm

Lacebark Elm

Ulmus parvifolia

The Lacebark Elm (Ulmus parvifolia) is a deciduous or semi-evergreen tree known for its distinctive exfoliating bark, which reveals a mottled pattern of orange, brown, and gray. It typically grows to a height of 40-70 feet with a broad, spreading crown. The leaves are small, glossy green, and finely toothed. While primarily an outdoor tree valued for its ornamental bark and tolerance of urban conditions, it is sometimes grown as a bonsai. Its graceful form and adaptability make it a popular choice for landscaping.

Ulmaceae Eastern Asia (China, Korea, Japan, Vietnam)
✨ Features: Exfoliating bark with a mottled pattern, graceful branching habit, drought tolerance once established.
📖 Read Complete Lacebark Elm Guide

Quick Plant Comparison

Feature Foxtail Fern Lacebark Elm
Light Bright indirect light to full sun. Requires at least 4-6 hours of direct sunlight daily for optimal growth. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and bark development.
Watering Every 1-2 weeks, depending on light and temperature Once or twice a week during the growing season, less frequently in winter.
Humidity 40-60% 30-50%
Temperature 18-24°C 10-30°C
Care Level Moderate Expert
Growth Rate Moderate Moderate
Max Height 0.6-1 meter (indoors) Grown outdoors, 12-21 meters. As a bonsai, significantly smaller, typically under 1 meter.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining soil; adaptable to various soil types, including clay, loam, and sand.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 15 minutes weekly 2-4 hours weekly for bonsai, including watering, pruning, and fertilizing. Less for established outdoor trees.

🔬 Botanical Information — Comparing These Plants

Foxtail Fern

Scientific Name Asparagus densiflorus 'Sprengeri'
Family Asparagaceae
Native To South Africa
Also Known As Foxtail Fern, Sprenger's Asparagus Fern, Asparagus Fern
Leaves The 'leaves' are actually cladodes, which are modified stems that resemble needles. They are bright green, soft to the touch, and arranged densely along the stems, creating a feathery appearance. They are typically about 1-2 inches long.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous white flowers followed by red berries.

Lacebark Elm

Scientific Name Ulmus parvifolia
Family Ulmaceae
Native To Eastern Asia (China, Korea, Japan, Vietnam)
Also Known As Lacebark Elm, Chinese Elm
Leaves The leaves are small, oval-shaped, and finely toothed, with a glossy green color. They are typically 1-2 inches long.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous greenish flowers in the early spring.

📏 Size & Growth — Plant Comparison

Foxtail Fern

Height 0.6-1 meter (indoors)
Spread 0.6-1 meter (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern It grows in an upright, arching pattern, forming dense clumps of foliage. It spreads via rhizomes, gradually expanding its footprint over time.

Lacebark Elm

Height Grown outdoors, 12-21 meters. As a bonsai, significantly smaller, typically under 1 meter.
Spread Grown outdoors, 9-15 meters. As a bonsai, spread is controlled by pruning.
Growth Rate Moderate
Growth Pattern Outdoors, it grows into a large tree with a broad, spreading crown. As a bonsai, it is trained to maintain a compact and artistic form.

🌱 Propagation — Comparing Plant Growth

Foxtail Fern

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide the rhizomes in spring, ensuring each division has healthy roots and shoots. Sow seeds in spring in a well-draining mix and keep moist.

Lacebark Elm

Methods: Seed, softwood cuttings, root cuttings

Difficulty: Moderate

Tips: Collect seeds in the fall and stratify them before sowing. Take softwood cuttings in late spring or early summer. Root cuttings can be taken in late winter.

✨ Benefits & Features — Comparing Plant Value

Foxtail Fern

The Foxtail Fern's unique characteristic is its dense, arching plumes of needle-like cladodes that resemble foxtails. Unlike true ferns, it reproduces via seeds and rhizomes, and it's more drought-tolerant once established.

  • ✓ Adds a unique textural element to indoor spaces.
  • ✓ Provides a touch of greenery and life to a room.
  • ✓ Can be a conversation starter due to its unusual appearance.
  • ✓ Relatively easy to care for once its needs are understood.
  • ✓ Offers a sense of accomplishment when grown successfully.
  • ⚠️ Toxic to pets

Lacebark Elm

The Lacebark Elm's most distinctive feature is its exfoliating bark, which creates a beautiful mottled pattern. It is also relatively resistant to Dutch Elm Disease compared to other elm species.

  • ✓ Provides shade in outdoor settings.
  • ✓ Adds visual interest with its unique bark.
  • ✓ Can be trained into artistic bonsai forms.
  • ✓ Relatively drought-tolerant once established.
  • ✓ Adaptable to various soil types.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Foxtail Fern

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Prune dead or yellowing fronds to maintain appearance. Trim back to control size and shape.
Fertilizing Balanced liquid fertilizer (20-20-20) 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. Provide ample light year-round.

Lacebark Elm

Repotting Repot bonsai specimens every 1-3 years in spring, trimming roots as needed.
Pruning Regular pruning is essential to maintain shape and size, especially for bonsai specimens. Prune in late winter or early spring before new growth begins.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing, as it can lead to excessive foliage growth at the expense of bark development.
Seasonal Care In winter, reduce watering and provide a period of dormancy. Protect from extreme cold if grown in a container. In summer, ensure adequate watering and protect from intense afternoon sun.

🌞 Light Requirements

Foxtail Fern

Bright indirect light to full sun. Requires at least 4-6 hours of direct sunlight daily for optimal growth.

Low light tolerant: ❌ No

Lacebark Elm

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and bark development.

Low light tolerant: ❌ No

💧 Watering Needs

Foxtail Fern

Water thoroughly when the top inch of soil is dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing fronds. Underwatering results in browning and shedding of 'needles'.

Lacebark Elm

Water deeply and regularly, especially during the first few years after planting. Once established, it is relatively drought-tolerant. Overwatering can lead to root rot, so ensure the soil is well-draining. Allow the top inch of soil to dry out before watering again.

🌡️ Temperature & Humidity

Foxtail Fern

Temperature: 18-24°C

Humidity: 40-60%

Lacebark Elm

Temperature: 10-30°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Foxtail Fern

Foxtail Fern

Asparagus densiflorus 'Sprengeri'
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant owners who can provide bright light and maintain consistent moisture.

✅ Choose This Plant If...

  • You love the unique texture and form of the plant.
  • You have a bright, sunny location to provide adequate light.
  • You are willing to monitor watering carefully to avoid over or under watering.
  • You enjoy a plant that adds a sculptural element to your decor.
  • You are prepared to repot the plant as it grows and spreads.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You struggle to provide bright light for your plants.
  • You tend to overwater your plants.
📍 Ideal Location: Bright, sunny room such as a sunroom, south-facing window, or well-lit patio.
🎨 Style: Bohemian, Tropical, Modern
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. The berries contain sapogenins, which can cause vomiting, diarrhea, and abdominal pain if ingested. Contact with the plant can also cause skin irritation.
Lacebark Elm

Lacebark Elm

Ulmus parvifolia
Care: Expert Time: 2-4 hours weekly for bonsai, including watering, pruning, and fertilizing. Less for established outdoor trees. Beginner: No

Experienced gardeners or bonsai enthusiasts who are willing to provide the specialized care required to maintain this tree in a container.

✅ Choose This Plant If...

  • You appreciate unique and ornamental bark textures.
  • You are an experienced bonsai enthusiast.
  • You have ample outdoor space with full sun.
  • You want a relatively drought-tolerant tree once established.
  • You are looking for a tree that can tolerate urban conditions.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You are a beginner gardener.
  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny location. As a bonsai, a bright, well-ventilated room or greenhouse.
🎨 Style: Traditional, Asian-inspired, Natural
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, elms (genus Ulmus) are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Foxtail Fern is rated Moderate care level, while Lacebark Elm is Expert.

💡 Pro Tips For Comparing These Plants

Foxtail Fern Care Tips

Foxtail Ferns require bright light and well-draining soil. They can be challenging indoors due to their need for high light and humidity. Regular watering and fertilization are essential. Watch for pests like spider mites.

  • Provide bright, indirect light to prevent leggy growth.
  • Water thoroughly but allow the soil to dry slightly between waterings.
  • Increase humidity by misting regularly or using a humidifier.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Monitor for pests and treat promptly to prevent infestations.
❄️ Winter: Reduce watering frequency as growth slows. Ensure adequate light, as winter days are shorter. Avoid placing near drafts or heating vents.
☀️ Summer: Water more frequently during the growing season. Provide ample light, but protect from intense afternoon sun to prevent scorching. Fertilize regularly.

Lacebark Elm Care Tips

Lacebark Elm is primarily an outdoor tree. Growing it indoors is challenging due to its high light requirements, need for seasonal dormancy, and potential size. It requires specialized care as a bonsai, including regular pruning, wiring, and root trimming. Maintaining proper humidity and temperature can also be difficult indoors.

  • Provide adequate sunlight for optimal bark development.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize sparingly to avoid excessive foliage growth.
  • Prune regularly to maintain shape and size, especially for bonsai specimens.
  • Protect from extreme cold during winter dormancy.
❄️ Winter: Reduce watering significantly during winter dormancy. Protect container-grown trees from extreme cold. Provide a cool, bright location.
☀️ Summer: Ensure adequate watering during hot, dry periods. Protect from intense afternoon sun, especially for young trees.

⚠️ Common Problems & Solutions — Plant Care Comparison

Foxtail Fern

Common Issues: Yellowing fronds, Browning tips, Spider mites, Root rot
Solutions: Yellowing fronds: Adjust watering and ensure proper drainage. Browning tips: Increase humidity. Spider mites: Treat with insecticidal soap or neem oil. Root rot: Repot in fresh soil and reduce watering.

Lacebark Elm

Common Issues: Elm Leaf Beetle, Dutch Elm Disease, Root Rot, Aphids
Solutions: Elm Leaf Beetle: Use insecticidal soap or neem oil. Dutch Elm Disease: Preventative measures are key; remove infected trees promptly. Root Rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap or blast off with water.

❓ Frequently Asked Questions — Comparing These Plants

Foxtail Fern

What are the light requirements for Foxtail Fern?

Foxtail Ferns require bright, indirect light to thrive. Direct sunlight can scorch their delicate fronds, causing them to turn yellow or brown. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but may require supplemental lighting if the plant doesn’t receive enough light.

How do I care for Foxtail Fern?

Foxtail Ferns thrive in bright, indirect light. Avoid direct sunlight, which can scorch their delicate fronds. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. They prefer slightly acidic soil. Maintain high humidity by misting regularly or using a humidifier, especially in dry indoor environments.

How do I propagate Foxtail Fern?

Foxtail Ferns can be propagated by division or spores. Division is the easier and more common method. To propagate by division, carefully remove the plant from its pot and gently separate the root ball into two or more sections, ensuring each section has healthy roots and foliage. Plant each section in its own pot with well-draining potting mix. Water thoroughly and keep in a warm, humid environment.

Lacebark Elm

What are the light requirements for Lacebark Elm?

Lacebark Elms require bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and reduced leaf density. A location near an east- or west-facing window is ideal. Avoid direct sunlight, especially during the hottest parts of the day, as it can scorch the leaves. If you don’t have access to sufficient natural light, consider using a grow light to supplement. Rotate the tree regularly to ensure even light exposure on all sides, preventing it from leaning towards the light source. Watch for signs of inadequate light, such as yellowing leaves or slow growth, and adjust the tree’s location accordingly. Proper light is essential for the tree’s overall health and vibrant foliage.

How do I care for Lacebark Elm?

Lacebark Elms thrive indoors with bright, indirect light; avoid direct sunlight to prevent leaf scorch. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels by misting regularly or using a humidifier. The ideal temperature range is between 60-75°F (15-24°C).

How do I propagate Lacebark Elm?

Lacebark Elms can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy branch in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it consistently moist. Cover with a plastic bag to maintain humidity. Roots should develop in 6-8 weeks.

Last updated: May 2, 2026 — Plant care data reviewed and verified by our editorial team.