Devil's Backbone vs Jerusalem Artichoke Plant Comparison

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

Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides

VS
Jerusalem Artichoke

Jerusalem Artichoke

Helianthus tuberosus

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
Jerusalem Artichoke

Jerusalem Artichoke

Helianthus tuberosus

Jerusalem artichoke is a perennial herbaceous plant typically grown for its edible tubers. It can reach heights of 1.5 to 3 meters (5 to 10 feet). It features rough, hairy leaves and produces sunflower-like yellow flowers in late summer or early fall. While the flowers are attractive, the plant is primarily cultivated for its underground tubers, which are knobby and irregular in shape. These tubers are a starchy food source and are often used in cooking. It is primarily an outdoor plant due to its size and sunlight needs.

Asteraceae Eastern North America
✨ Features: Edible tubers, attractive flowers, attracts pollinators
📖 Read Complete Jerusalem Artichoke Guide

Quick Plant Comparison

Feature Devil's Backbone Jerusalem Artichoke
Light Bright indirect light to partial sun. Avoid intense, direct sunlight, especially during the hottest part of the day. Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 2-3 weeks, depending on environmental conditions Once or twice a week, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 18-24°C 15-25°C
Care Level Easy Expert
Growth Rate Moderate Fast
Max Height 0.6-1.2 meters (2-4 feet) indoors N/A (Not typically grown indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-drained loamy soil
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 30 minutes weekly (primarily for watering and controlling spread)

🔬 Botanical Information — Comparing These Plants

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.

Jerusalem Artichoke

Scientific Name Helianthus tuberosus
Family Asteraceae
Native To Eastern North America
Also Known As Sunchoke, Earth Apple, Topinambur
Leaves Rough, hairy, ovate to lanceolate leaves, typically 10-20 cm (4-8 inches) long. They are arranged oppositely on the lower part of the stem and alternately on the upper part. The color is typically a medium to dark green.
Flowers It produces sunflower-like yellow flowers in late summer or early fall. The flowers are typically 5-8 cm (2-3 inches) in diameter and have a prominent central disk surrounded by ray florets. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

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.

Jerusalem Artichoke

Height N/A (Not typically grown indoors)
Spread Spreads aggressively via rhizomes
Growth Rate Fast
Growth Pattern Upright, tall, and spreading via underground rhizomes. It forms dense clumps of stalks with sunflower-like flowers on top.

🌱 Propagation — Comparing Plant Growth

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.

Jerusalem Artichoke

Methods: Tuber division, Seed (though less common)

Difficulty: Easy

Tips: Divide tubers in early spring before planting. Ensure each division has at least one 'eye' or bud. Plant tubers about 10-15 cm (4-6 inches) deep and 30-45 cm (12-18 inches) apart.

✨ Benefits & Features — Comparing Plant Value

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

Jerusalem Artichoke

The plant produces edible tubers that are a good source of inulin, a type of prebiotic fiber. Its aggressive growth habit can be both a benefit (for quick ground cover) and a drawback (requiring careful management).

  • ✓ Provides edible tubers for consumption.
  • ✓ Attracts pollinators to the garden.
  • ✓ Adds visual interest with its tall stalks and yellow flowers.
  • ✓ Relatively low-maintenance once established.
  • ✓ Can be used as a natural screen or windbreak.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Jerusalem Artichoke

Repotting Not typically grown indoors. If grown in a container, repot annually in early spring, dividing tubers as needed.
Pruning Prune back foliage in late summer to encourage tuber development. Remove any dead or diseased leaves.
Fertilizing Apply a balanced fertilizer (e.g., 10-10-10) in early spring before new growth emerges. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of tuber development.
Seasonal Care In fall, after the foliage dies back, harvest the tubers. In spring, divide and replant tubers. Provide support for tall plants to prevent them from falling over.

🌞 Light Requirements

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

Jerusalem Artichoke

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

💧 Watering Needs

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.

Jerusalem Artichoke

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to tuber rot. During dry periods, more frequent watering may be necessary. Check soil moisture regularly.

🌡️ Temperature & Humidity

Devil's Backbone

Temperature: 18-24°C

Humidity: 30-50%

Jerusalem Artichoke

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

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.
Jerusalem Artichoke

Jerusalem Artichoke

Helianthus tuberosus
Care: Expert Time: 30 minutes weekly (primarily for watering and controlling spread) Beginner: No

Gardeners with ample outdoor space who want to grow their own food.

✅ Choose This Plant If...

  • You have a large outdoor garden space and want to grow edible tubers.
  • You enjoy the look of sunflower-like flowers in your garden.
  • You want a plant that attracts pollinators.
  • You are looking for a low-maintenance perennial crop.
  • You want to experiment with different ways of cooking and eating the tubers.

❌ Skip This Plant If...

  • You have limited space, as it spreads aggressively.
  • You have pets that might ingest the plant, as it is toxic to them.
  • You live in an area with very poor soil, as it prefers well-drained loamy soil.
📍 Ideal Location: Outdoor garden or large container in a sunny location
🎨 Style: Rustic, Cottage Garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Jerusalem Artichoke is toxic to dogs, cats, and horses. The plant contains compounds that can cause gastrointestinal upset, including vomiting and diarrhea.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Devil's Backbone is rated Easy care level, while Jerusalem Artichoke is Expert.

📈

Devil's Backbone has moderate growth, while Jerusalem Artichoke grows fast.

💡 Pro Tips For Comparing These Plants

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.

Jerusalem Artichoke Care Tips

Jerusalem artichokes are primarily outdoor plants. Growing them indoors is challenging due to their need for full sun and their aggressive growth habit. They require a large container and careful monitoring to prevent them from outgrowing their space. They are toxic to pets.

  • Plant in well-drained soil to prevent tuber rot.
  • Provide support for tall plants to prevent them from falling over.
  • Harvest tubers in the fall after the foliage dies back.
  • Control spreading by containing the plant in a designated area.
  • Monitor for pests and diseases and treat accordingly.
❄️ Winter: After the foliage dies back, cut it down to the ground. Mulch around the base of the plant to protect the tubers from freezing in colder climates. Harvest tubers as needed throughout the winter.
☀️ Summer: Ensure adequate watering during dry periods. Provide support for tall plants to prevent them from falling over in strong winds. Monitor for pests and diseases and treat accordingly.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Jerusalem Artichoke

Common Issues: Tuber rot, Powdery mildew, Aggressive spreading
Solutions: Ensure well-drained soil to prevent tuber rot. Treat powdery mildew with a fungicide. Control spreading by containing the plant in a designated area or using barriers.

❓ Frequently Asked Questions — Comparing These Plants

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.

Jerusalem Artichoke

What are the light requirements for Jerusalem Artichoke?

Jerusalem Artichokes thrive in full sun, requiring at least 6-8 hours of direct sunlight per day to promote optimal growth and abundant flowering. Insufficient light can result in leggy growth, reduced flowering, and weaker stems. When planting, choose a location that receives ample sunlight throughout the day.

How do I care for Jerusalem Artichoke?

Jerusalem Artichokes are generally easy to care for, thriving in full sun and well-drained soil. Plant tubers in spring after the last frost, spacing them about 12-18 inches apart. Water regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged. Fertilize in spring with a balanced fertilizer to promote strong growth and abundant blooms.

How do I propagate Jerusalem Artichoke?

Jerusalem Artichokes are most commonly propagated by dividing the tubers in early spring. Dig up the tubers and separate them, ensuring each section has at least one eye or bud. Plant the divided tubers in well-drained soil, spacing them about 12-18 inches apart. Water regularly and provide full sun exposure.

Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.