Aralia vs Water Lily Plant Comparison

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

Aralia

Aralia

Aralia spinosa

VS
Water Lily

Water Lily

Nymphaea spp.

Aralia

Aralia

Aralia spinosa

Aralia spinosa, commonly known as Devil's Walking Stick, is a deciduous shrub or small tree typically reaching heights of 6-20 feet. It features a distinctive, sparsely branched habit with extremely large, bipinnately or tripinnately compound leaves, giving it a bold, architectural appearance. The stems are heavily armed with sharp spines, hence the name. It produces large panicles of small, white flowers in late summer, followed by dark purple berries. Primarily an outdoor plant, it is grown for its unique foliage and structural interest in gardens and naturalized areas. Attempting to grow it indoors is challenging due to its size and light requirements.

Araliaceae Eastern North America
✨ Features: Dramatic foliage, architectural form, attracts pollinators.
📖 Read Complete Aralia 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 Aralia Water Lily
Light Full sun to partial shade Full sun (at least 6 hours of direct sunlight daily)
Watering Every 7-10 days during the growing season, less frequently in winter. Constantly submerged
Humidity 30-50% 70-100%
Temperature 15-27°C 20-30°C
Care Level Expert Expert
Growth Rate Fast Moderate To Fast, Depending On The Species And Conditions; Can Be An Aggressive Spreader In Suitable Environments
Max Height Difficult to maintain indoors, but if attempted, expect 1-2 meters. Outdoors: 2-6 meters. 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 soil, such as a mix of loam, sand, and compost. Heavy loam or clay soil amended with organic matter
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (outdoor) 30 minutes weekly during growing season for pruning and fertilization.

🔬 Botanical Information — Comparing These Plants

Aralia

Scientific Name Aralia spinosa
Family Araliaceae
Native To Eastern North America
Also Known As Devil's Walking Stick, Hercules' Club, Prickly Ash
Leaves The leaves are extremely large, bipinnately or tripinnately compound, reaching up to 1 meter in length. Leaflets are ovate to lanceolate, with serrated edges and a dark green color.
Flowers Produces large panicles of small, white flowers in late summer. Flowering is rare indoors.

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

Aralia

Height Difficult to maintain indoors, but if attempted, expect 1-2 meters. Outdoors: 2-6 meters.
Spread Spreads by suckers, can form colonies. Indoors: limited by pot size, but can still sucker.
Growth Rate Fast
Growth Pattern Upright shrub or small tree with a sparsely branched habit. It spreads by suckers, forming colonies over time.

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

Aralia

Methods: Root suckers, Seed, Root cuttings

Difficulty: Moderate

Tips: Collect root suckers in spring or fall. Sow seeds in fall or stratify them before sowing in spring. Root cuttings should be taken in late winter.

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

Aralia

Aralia spinosa is distinguished by its large, compound leaves and spiny stems, creating a bold and dramatic appearance. Its architectural form and wildlife value make it a unique addition to the landscape.

  • ✓ Provides visual interest in the garden
  • ✓ Attracts pollinators and birds
  • ✓ Offers a unique architectural form
  • ✓ Can be used as a specimen plant
  • ✓ Provides shade in summer.
  • ⚠️ 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

Aralia

Repotting Not typically repotted if grown outdoors. If grown in a container, repot every 2-3 years or as needed to accommodate growth.
Pruning Prune in late winter or early spring to remove dead or damaged branches and control size and shape. Remove suckers to prevent unwanted spread.
Fertilizing Apply a balanced fertilizer (10-10-10) in spring and early summer. Dilute to half strength.
Seasonal Care In winter, the plant is dormant and requires less watering. Protect from extreme cold in colder climates. In summer, ensure adequate moisture and consider providing some afternoon shade in hot regions.

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

Aralia

Full sun to partial shade

Low light tolerant: ❌ No

Water Lily

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

Low light tolerant: ❌ No

💧 Watering Needs

Aralia

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the dormant season. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

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

Aralia

Temperature: 15-27°C

Humidity: 30-50%

Water Lily

Temperature: 20-30°C

Humidity: 70-100%

🤔 Which Plant Is Right For You?

Aralia

Aralia

Aralia spinosa
Care: Expert Time: 30 minutes weekly (outdoor) Beginner: No

Experienced gardeners seeking a unique, architectural plant for a large outdoor space.

✅ Choose This Plant If...

  • You want a dramatic, architectural plant for your garden
  • You need a plant that attracts pollinators
  • You have a large outdoor space to accommodate its size
  • You are an experienced gardener looking for a unique challenge
  • You want a plant with interesting seasonal changes.

❌ Skip This Plant If...

  • You have limited space indoors
  • You are a beginner gardener
  • You have pets that might ingest the plant
  • You dislike plants with spines
  • You want a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a garden or naturalized area with ample space and sunlight. If attempting indoors, a sunroom or greenhouse.
🎨 Style: Wild, Naturalistic, Architectural
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Aralia species contain saponins, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.
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 Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Aralia needs full sun to partial shade, while Water Lily prefers full sun (at least 6 hours of direct sunlight daily).

💡 Pro Tips For Comparing These Plants

Aralia Care Tips

Aralia spinosa is primarily an outdoor plant and is challenging to grow indoors due to its size, light requirements, and potential for aggressive spread via suckers. Indoor cultivation requires a very bright location, careful watering, and management of its growth habit. It's best suited for experienced gardeners.

  • Provide well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize in spring and early summer with a balanced fertilizer.
  • Prune regularly to control size and shape.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering during dormancy. Protect from extreme cold in colder climates.
☀️ Summer: Ensure adequate moisture and consider providing some afternoon shade in hot regions.

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

Aralia

Common Issues: Root rot, Spider mites, Scale, Suckering/spreading
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Scale: Remove manually or treat with horticultural oil. Suckering/spreading: Prune suckers regularly to control spread.

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

Aralia

What are the light requirements for Aralia?

Aralia thrives in bright, indirect light. Avoid direct sunlight, as it can burn the delicate leaves. An east-facing window is ideal, providing gentle morning light. If you only have south or west-facing windows, place the Aralia further away from the window or use sheer curtains to filter the light. Insufficient light can lead to leggy growth and leaf drop. Rotate the plant regularly to ensure even light exposure on all sides. During the darker winter months, consider supplementing with a grow light to maintain optimal growth. Monitor the plant’s leaves for signs of overexposure (scorching) or underexposure (yellowing).

How do I care for Aralia?

Aralia requires bright, indirect light to thrive. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a consistent watering schedule, but avoid overwatering. Aralia prefers a humid environment; mist the plant regularly or place it on a pebble tray filled with water. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 1-2 years into a slightly larger pot with well-draining potting mix. Maintain a stable temperature between 65-75°F (18-24°C) and protect from drafts.

How do I propagate Aralia?

Aralia can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. 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 increase humidity. Roots should develop in 4-6 weeks. For air layering, make a small cut on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Once roots appear through the moss, cut the stem below the roots and pot it in soil. Provide bright, indirect light and consistent moisture.

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: April 22, 2026 — Plant care data reviewed and verified by our editorial team.