Asparagus Fern vs Devil's Backbone Plant Comparison

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

Asparagus Fern

Asparagus Fern

Asparagus setaceus

VS
Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides

Asparagus Fern

Asparagus Fern

Asparagus setaceus

Asparagus setaceus, commonly called Asparagus Fern, is not a true fern but a member of the Asparagus family. It is a perennial climbing plant with delicate, feathery foliage that resembles fern fronds. These are actually cladodes, flattened stem structures that function like leaves. It is native to South Africa and is often grown as an ornamental plant for its attractive foliage. While it can be grown indoors, it thrives best outdoors in warmer climates. People grow it for its soft texture and visual appeal in hanging baskets or as a ground cover.

Asparagaceae South Africa
✨ Features: Attractive foliage, adds texture to indoor spaces
📖 Read Complete Asparagus Fern Guide
Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides

Euphorbia tithymaloides, commonly known as Devil's Backbone, is a succulent shrub characterized by its unique zig-zagging stems and fleshy, ovate leaves. It can grow up to 6-8 feet tall outdoors, but typically remains smaller when grown as a houseplant. The leaves are typically green, but variegated forms with white or pink edges are also popular. Small, slipper-shaped red or pink flowers appear sporadically. It's grown for its unusual form and ease of care, though it's important to note its toxicity.

Euphorbiaceae Central America, South America, Caribbean
✨ Features: Unique zig-zag stems, variegated foliage options
📖 Read Complete Devil's Backbone Guide

Quick Plant Comparison

Feature Asparagus Fern Devil's Backbone
Light Bright, indirect light. Avoid direct sunlight, which can scorch the foliage. Bright indirect light to partial sun. Avoid intense, direct sunlight, especially during the hottest part of the day.
Watering Every 7-10 days, depending on environmental conditions Every 2-3 weeks, depending on environmental conditions
Humidity 40-60% 30-50%
Temperature 18-24°C 18-24°C
Care Level Moderate Easy
Growth Rate Fast - Aggressive Spreader Via Rhizomes Moderate
Max Height 0.3-1 meter indoors 0.6-1.2 meters (2-4 feet) indoors
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 succulent or cactus mix
Beginner Friendly With Caution ✅ Yes
Weekly Maintenance 15 minutes weekly 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

Asparagus Fern

Scientific Name Asparagus setaceus
Family Asparagaceae
Native To South Africa
Also Known As Asparagus Fern, Lace Fern, Climbing Asparagus Fern
Leaves The 'leaves' are actually cladodes, small, needle-like structures that are bright green and give the plant a soft, feathery appearance. They are arranged along the stems, creating a delicate and airy texture.
Flowers Rarely flowers indoors. Outdoors, it produces small, inconspicuous white flowers followed by red berries.

Devil's Backbone

Scientific Name Euphorbia tithymaloides
Family Euphorbiaceae
Native To Central America, South America, Caribbean
Also Known As Devil's Backbone, Zig Zag Plant, Pedilanthus tithymaloides, Redbird Cactus, Christmas Candle
Leaves The leaves are fleshy, ovate, and typically green, although variegated forms with white or pink margins are common. They are arranged alternately along the zig-zagging stems.
Flowers It can flower indoors, producing small, slipper-shaped red or pink flowers. However, flowering is not guaranteed and is more common in mature plants grown in optimal conditions.

📏 Size & Growth — Plant Comparison

Asparagus Fern

Height 0.3-1 meter indoors
Spread 0.3-1 meter, spreads aggressively via rhizomes
Growth Rate Fast - Aggressive Spreader Via Rhizomes
Growth Pattern Climbing or trailing plant with delicate, feathery foliage. It spreads aggressively via rhizomes, forming dense mats.

Devil's Backbone

Height 0.6-1.2 meters (2-4 feet) indoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern It grows as an upright, branching shrub with zig-zagging stems. New growth emerges from the tips of the stems.

🌱 Propagation — Comparing Plant Growth

Asparagus Fern

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide the rhizomes in spring or sow seeds in well-draining soil. Keep the soil consistently moist until new growth appears.

Devil's Backbone

Methods: Stem cuttings

Difficulty: Easy

Tips: Allow the cut end to callus over for a few days before planting in well-draining soil. Keep the soil slightly moist until roots develop.

✨ Benefits & Features — Comparing Plant Value

Asparagus Fern

The feathery foliage is composed of cladodes, which are flattened stem structures that function like leaves. It is an aggressive grower and can quickly spread via rhizomes.

  • ✓ Adds a touch of greenery and texture to indoor spaces.
  • ✓ Can be grown in hanging baskets or as a ground cover.
  • ✓ Relatively easy to propagate.
  • ✓ Provides a calming and relaxing atmosphere.
  • ✓ Can tolerate some neglect once established.
  • ⚠️ Toxic to pets

Devil's Backbone

The Devil's Backbone is unique due to its zig-zagging stems and fleshy leaves, which give it a distinctive architectural form. The variegated varieties add further visual interest with their colorful foliage.

  • ✓ Adds visual interest with its unique form.
  • ✓ Relatively low-maintenance and easy to care for.
  • ✓ Drought-tolerant, making it suitable for forgetful plant owners.
  • ✓ Can be easily propagated to create new plants.
  • ✓ Adds a touch of the desert to your indoor space.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Asparagus Fern

Repotting Every 1-2 years, or when the plant becomes root-bound, more frequently if aggressively spreading.
Pruning Prune regularly to maintain shape and remove any dead or yellowing foliage. Cut back aggressively if it becomes too overgrown.
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 when growth slows. Provide adequate light during shorter days.

Devil's Backbone

Repotting Every 2-3 years, or when the plant becomes root-bound
Pruning Prune to maintain shape and remove any dead or damaged stems.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied every 2-3 months during the growing season (spring and summer)
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round.

🌞 Light Requirements

Asparagus Fern

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

Low light tolerant: ❌ No

Devil's Backbone

Bright indirect light to partial sun. Avoid intense, direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

💧 Watering Needs

Asparagus Fern

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and root rot, while underwatering can cause the foliage to dry out and turn brown.

Devil's Backbone

Allow the soil to dry out completely between waterings. Overwatering can lead to root rot. Water thoroughly when the soil is dry to the touch. Reduce watering frequency during the winter months. Signs of overwatering include yellowing leaves and stem rot. Underwatering can cause leaf drop and shriveling.

🌡️ Temperature & Humidity

Asparagus Fern

Temperature: 18-24°C

Humidity: 40-60%

Devil's Backbone

Temperature: 18-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Asparagus Fern

Asparagus Fern

Asparagus setaceus
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Someone who wants a visually appealing plant with delicate foliage, but is aware of its toxicity to pets and potential for aggressive growth.

✅ Choose This Plant If...

  • You love the delicate, fern-like foliage and texture it adds to your space.
  • You have a bright, indirect light location available.
  • You are prepared to manage its aggressive growth habit through pruning and repotting.
  • You do not have pets or can keep the plant out of their reach.
  • You enjoy a plant that can be grown in hanging baskets or as a ground cover.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance plant.
  • You don't have a bright, indirect light location.
  • You are not prepared to manage its aggressive growth.
  • You are allergic to asparagus.
📍 Ideal Location: Bright bathroom, sunroom, or living room with indirect light
🎨 Style: Bohemian, Tropical, Cottagecore
🏠 Apartment Friendly: Yes
⚠️ Toxic to dogs, cats, and horses. The berries contain sapogenins, which can cause vomiting, diarrhea, and abdominal pain if ingested. Skin irritation may also occur upon contact.
Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides
Care: Easy Time: 5 minutes weekly Beginner: Yes

Someone looking for a unique and low-maintenance succulent with an interesting architectural form.

✅ Choose This Plant If...

  • You want a low-maintenance plant that doesn't need much attention.
  • You appreciate unique and unusual plant forms.
  • You have a bright, sunny spot in your home.
  • You are looking for a plant that is relatively drought-tolerant.
  • You want a plant that is easy to propagate.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are prone to overwatering plants.
  • You don't have a bright enough location.
  • You are looking for a plant with showy flowers.
📍 Ideal Location: Bright windowsill, sunroom, or well-lit shelf
🎨 Style: Modern, Bohemian, Southwestern
🏠 Apartment Friendly: Yes
⚠️ All parts of the plant contain a milky sap that is toxic if ingested or comes into contact with skin or eyes. Can cause irritation, vomiting, diarrhea, and dermatitis in dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Devil's Backbone
Pet Friendly Neither - caution
Less Maintenance Devil's Backbone
Apartment Friendly Both work!

⚡ Key Differences Between These Plants

🎯

Asparagus Fern is rated Moderate care level, while Devil's Backbone is Easy.

📈

Asparagus Fern has fast - aggressive spreader via rhizomes growth, while Devil's Backbone grows moderate.

💡 Pro Tips For Comparing These Plants

Asparagus Fern Care Tips

Asparagus Fern requires bright, indirect light and well-draining soil. It can be grown indoors but thrives best outdoors. Regular watering and occasional fertilization are necessary. Be aware of its toxicity to pets and its aggressive spreading habit.

  • Provide bright, indirect light to prevent scorching.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize regularly during the growing season.
  • Prune regularly to maintain shape and remove any dead or yellowing foliage.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency in winter as growth slows. Ensure adequate light during shorter days. Avoid placing near drafts or heating vents.
☀️ Summer: Increase watering frequency during the summer growing season. Provide protection from intense direct sunlight to prevent scorching. Increase humidity if possible.

Devil's Backbone Care Tips

Devil's Backbone is a relatively easy-care succulent that thrives in bright, indirect light and well-draining soil. Avoid overwatering and protect from frost. Be mindful of its toxic sap and keep it away from pets and children.

  • Allow the soil to dry out completely between waterings to prevent root rot.
  • Provide bright, indirect light for optimal growth and color.
  • Fertilize sparingly during the growing season.
  • Wear gloves when handling the plant to avoid skin irritation from the sap.
  • Rotate the plant regularly to ensure even growth.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is protected from cold drafts and temperatures below 10°C.
☀️ Summer: Provide adequate ventilation and avoid exposing the plant to intense, direct sunlight during the hottest part of the day. Water more frequently as the soil dries out faster in warmer temperatures.

⚠️ Common Problems & Solutions — Plant Care Comparison

Asparagus Fern

Common Issues: Yellowing foliage, Browning foliage, Root rot, Spider mites
Solutions: Yellowing foliage: Adjust watering schedule and ensure proper drainage. | Browning foliage: Increase humidity and avoid direct sunlight. | Root rot: Repot in fresh, well-draining soil and reduce watering frequency. | Spider mites: Treat with insecticidal soap or neem oil.

Devil's Backbone

Common Issues: Root rot, mealybugs, spider mites, leaf drop
Solutions: Root rot: Improve drainage and reduce watering frequency. Mealybugs/Spider mites: Treat with insecticidal soap or neem oil. Leaf drop: Adjust watering and light conditions.

❓ Frequently Asked Questions — Comparing These Plants

Asparagus Fern

What are the light requirements for Asparagus Fern?

Asparagus Ferns thrive in bright, indirect light. Avoid placing them in direct sunlight, as this can burn their delicate foliage, leading to brown or yellow patches. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work if the light is bright enough. If you only have south- or west-facing windows, place the plant further away from the window or use a sheer curtain to filter the light. Insufficient light can cause the plant to become leggy and lose its vibrant green color. Rotate the plant regularly to ensure even growth on all sides. Consider using a grow light if natural light is limited.

How do I care for Asparagus Fern?

Asparagus Ferns require bright, indirect light; direct sunlight can scorch their delicate foliage. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. They thrive in high humidity, so consider using a humidifier, pebble tray, or misting regularly. Maintain a consistent temperature between 65-75°F (18-24°C). Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to remove yellow or brown fronds and maintain the desired shape. Repot every 1-2 years or when the plant becomes root-bound. Provide adequate air circulation to prevent fungal diseases. Monitor for pests such as spider mites and mealybugs, and treat promptly if detected. Choose a well-draining potting mix.

How do I propagate Asparagus Fern?

Asparagus Ferns can be propagated by division or spores. Division is the most common and easiest method. To divide, 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. Repot each section in fresh potting mix. Spore propagation is more challenging. Collect spores from mature fronds and sow them on a moist surface. Keep the spores consistently moist and warm until germination occurs. This can take several weeks. Once the seedlings are large enough to handle, transplant them into individual pots. Maintain high humidity and indirect light during the propagation process. Propagation is best done in spring or early summer.

Devil's Backbone

What are the light requirements for Devil's Backbone?

Devil’s Backbone thrives in bright, indirect light. It can tolerate some direct sunlight, especially in the morning or late afternoon, but avoid prolonged exposure to intense midday sun, which can scorch the leaves. An east-facing window is often ideal, providing ample morning light without the harshness of the afternoon sun. A south- or west-facing window can also work, but be sure to filter the light with a sheer curtain or move the plant slightly away from the window to prevent sunburn.

How do I care for Devil's Backbone?

Devil’s Backbone is a relatively easy-to-care-for succulent. Provide it with bright, indirect light, although it can tolerate some direct sun. Water thoroughly only when the soil is completely dry to the touch, typically every 2-4 weeks, depending on environmental conditions. Ensure the pot has drainage holes to prevent root rot. Use a well-draining succulent or cactus potting mix.

How do I propagate Devil's Backbone?

Devil’s Backbone is easily propagated through leaf cuttings, offsets, and stem cuttings.

Last updated: May 16, 2026 — Plant care data reviewed and verified by our editorial team.