Devil's Backbone vs Water Lily 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
Water Lily

Water Lily

Nymphaea spp.

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
Water Lily

Water Lily

Nymphaea spp.

Water lilies are aquatic rhizomatous perennials known for their striking, floating leaves and beautiful, often fragrant flowers. They are naturally outdoor plants, thriving in ponds, lakes, and other still bodies of water. The large, circular leaves, called lily pads, provide shelter for aquatic life. People cultivate water lilies for their ornamental value, adding beauty and tranquility to water gardens. They come in a range of colors, including white, pink, yellow, and red. Attempts to grow them indoors are generally unsuccessful due to the need for a large water volume and intense sunlight.

Nymphaeaceae Worldwide, various species native to different regions
✨ Features: Beautiful flowers, provides habitat for aquatic life
📖 Read Complete Water Lily Guide

Quick Plant Comparison

Feature Devil's Backbone Water Lily
Light Bright indirect light to partial sun. Avoid intense, direct sunlight, especially during the hottest part of the day. Full sun (at least 6 hours of direct sunlight daily)
Watering Every 2-3 weeks, depending on environmental conditions Constantly submerged
Humidity 30-50% 70-100%
Temperature 18-24°C 20-30°C
Care Level Easy Expert
Growth Rate Moderate Moderate To Fast, Depending On The Species And Conditions; Can Be An Aggressive Spreader In Suitable Environments
Max Height 0.6-1.2 meters (2-4 feet) indoors Leaves float on the water surface; flower stems can reach 15-30 cm above the water.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Heavy loam or clay soil amended with organic matter
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 30 minutes weekly during growing season for pruning and fertilization.

🔬 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.

Water Lily

Scientific Name Nymphaea spp.
Family Nymphaeaceae
Native To Worldwide, various species native to different regions
Also Known As Water Lily, Lily Pad
Leaves Large, circular, floating leaves (lily pads) that can range in size from a few inches to several feet in diameter, depending on the species. They are typically green but can have reddish or purplish hues.
Flowers Water lilies produce beautiful, cup-shaped flowers in a variety of colors, including white, pink, yellow, and red. They rarely flower indoors due to insufficient light and space.

📏 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.

Water Lily

Height Leaves float on the water surface; flower stems can reach 15-30 cm above the water.
Spread Can spread several feet wide via rhizomes, depending on the species and growing conditions.
Growth Rate Moderate To Fast, Depending On The Species And Conditions; Can Be An Aggressive Spreader In Suitable Environments
Growth Pattern Rhizomatous perennial with floating leaves and flowers that emerge from the water surface.

🌱 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.

Water Lily

Methods: Division of rhizomes, seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring before new growth begins. Plant rhizome sections in aquatic soil and submerge in water. Seeds can be collected from mature seed pods and sown in a warm, shallow water environment.

✨ 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

Water Lily

Water lilies are known for their stunning, floating flowers and large, circular leaves. They are adapted to aquatic environments and play an important role in pond ecosystems. Their flowers open and close daily, adding to their unique charm.

  • ✓ Adds beauty and tranquility to outdoor spaces.
  • ✓ Provides habitat for aquatic wildlife.
  • ✓ Attracts pollinators to the garden.
  • ✓ Offers a unique and visually appealing focal point.
  • ✓ Can help to oxygenate the water in a pond.
  • ⚠️ 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.

Water Lily

Repotting Not applicable as they are grown in ponds or large containers; division of rhizomes may be necessary every few years to control spread.
Pruning Remove dead or yellowing leaves and spent flowers to encourage new growth and prevent disease.
Fertilizing Aquatic plant fertilizer tablets or granules, applied according to product instructions during the growing season (spring and summer)
Seasonal Care In winter, some water lily varieties may go dormant. In colder climates, the rhizomes may need to be moved to a frost-free location. In summer, ensure adequate sunlight and fertilization for optimal flowering.

🌞 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

Water Lily

Full sun (at least 6 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.

Water Lily

Water lilies require constant submersion in water. The water level should be maintained to cover the rhizome and roots. Signs of underwatering are wilting or browning leaves, which is unlikely in a pond environment. Overwatering is not a concern as they are aquatic plants.

🌡️ Temperature & Humidity

Devil's Backbone

Temperature: 18-24°C

Humidity: 30-50%

Water Lily

Temperature: 20-30°C

Humidity: 70-100%

🤔 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.
Water Lily

Water Lily

Nymphaea spp.
Care: Expert Time: 30 minutes weekly during growing season for pruning and fertilization. Beginner: No

Gardeners with ponds or water gardens seeking to add beauty and tranquility to their outdoor space.

✅ Choose This Plant If...

  • You have a pond or water garden and want to add beautiful, floating flowers.
  • You want to provide shelter and habitat for aquatic life.
  • You enjoy the calming and tranquil aesthetic of water features.
  • You are experienced with aquatic plant care and can provide the necessary conditions.
  • You want a plant that attracts pollinators to your garden.

❌ Skip This Plant If...

  • You do not have a pond or water garden.
  • You cannot provide the necessary full sun exposure.
  • You have pets that may ingest the plant.
  • You are looking for an easy-to-care-for indoor plant.
📍 Ideal Location: Outdoor pond or water garden with full sun exposure.
🎨 Style: Tropical, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Water Lilies contain glycosides that can be toxic to dogs, cats, and horses. Symptoms include drooling, vomiting, and diarrhea. All parts of the plant are considered toxic.

🎯 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 Water Lily is Expert.

💡 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.

Water Lily Care Tips

Water lilies are primarily outdoor plants requiring full sun and constant submersion in water. Indoor cultivation is extremely challenging due to the need for a large water volume, intense light, and temperature control. They are best suited for ponds and water gardens.

  • Provide at least 6 hours of direct sunlight daily.
  • Use aquatic plant fertilizer regularly during the growing season.
  • Remove dead or yellowing leaves promptly to prevent disease.
  • Control algae growth to ensure optimal water quality.
  • Protect rhizomes from freezing temperatures during winter in colder climates.
❄️ Winter: In colder climates, the rhizomes should be protected from freezing. This can be done by moving them to a frost-free location or sinking them to the deepest part of the pond where the water won't freeze solid.
☀️ Summer: Ensure adequate sunlight and fertilization during the summer months to promote flowering. Monitor for pests and diseases and take appropriate action.

⚠️ 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.

Water Lily

Common Issues: Algae growth, Aphids, Lily pad borer
Solutions: Control algae with appropriate algaecides or by introducing algae-eating fish or snails. Treat aphids with insecticidal soap. Remove lily pad borer larvae by hand or use appropriate insecticides safe for aquatic environments.

❓ 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.

Water Lily

What are the light requirements for Water Lily?

Water Lilies are sun-worshippers and require a minimum of 6 hours of direct sunlight each day to thrive and produce abundant blooms. The more sunlight they receive, the more flowers they will produce. Insufficient sunlight can lead to leggy growth, reduced flowering, and overall poor health.

How do I care for Water Lily?

Water Lilies need at least 6 hours of direct sunlight daily to bloom profusely. Plant them in heavy clay soil or aquatic planting media in a wide, shallow container. Submerge the container in a pond or large tub, ensuring the crown of the plant is slightly below the water surface (adjust depth as the plant grows). Water should be clean and free of algae.

How do I propagate Water Lily?

Water Lilies can be propagated through division or by collecting and planting seeds. Division is the easiest method.

Last updated: May 6, 2026 — Plant care data reviewed and verified by our editorial team.