Asarum vs Water Lily Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Asarum
Asarum canadense
Asarum canadense, or Canadian Wild Ginger, is a rhizomatous herbaceous perennial typically found in moist, deciduous woodlands. It's known for its kidney-shaped to heart-shaped, velvety green leaves that grow in pairs from creeping rhizomes. The plant produces a single, bell-shaped, brownish-purple flower near the ground in spring, often hidden beneath the foliage. While called 'ginger', it's not related to culinary ginger and should not be consumed as a substitute. It is primarily grown as a groundcover in shaded gardens for its attractive foliage and ability to suppress weeds. It is NOT suited for indoor growing.
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.
Quick Plant Comparison
| Feature | Asarum | Water Lily |
|---|---|---|
| Light | Full to partial shade. Cannot tolerate direct sunlight. | Full sun (at least 6 hours of direct sunlight daily) |
| Watering | Every 3-7 days, depending on weather and soil drainage. | Constantly submerged |
| Humidity | 50-70% | 70-100% |
| Temperature | 10-24°C | 20-30°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate To Fast, Depending On The Species And Conditions; Can Be An Aggressive Spreader In Suitable Environments |
| Max Height | 0.15-0.3 meters (outdoors) | 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 | Rich, well-draining soil with plenty of organic matter. A mix of compost, leaf mold, and garden soil is ideal. | Heavy loam or clay soil amended with organic matter |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 10 minutes weekly (weeding, watering) | 30 minutes weekly during growing season for pruning and fertilization. |
🔬 Botanical Information — Comparing These Plants
Asarum
| Scientific Name | Asarum canadense |
|---|---|
| Family | Aristolochiaceae |
| Native To | Eastern North America |
| Also Known As | Canadian Wild Ginger, Broad-leaved Asarum, Indian Ginger |
| Leaves | The leaves are kidney-shaped to heart-shaped, typically 10-20 cm wide, with a velvety texture and a deep green color. They have prominent veins and a slightly ruffled edge. |
| Flowers | The plant produces a single, bell-shaped flower near the ground in spring. The flower is typically brownish-purple and often hidden beneath the foliage. It rarely flowers 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
Asarum
Water Lily
🌱 Propagation — Comparing Plant Growth
Asarum
Methods: Division, Seed
Difficulty: Moderate
Tips: Divide rhizomes in early spring or fall. Sow seeds in fall for germination the following spring. Ensure good drainage and consistent moisture.
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
Asarum
The plant's unique bell-shaped flowers are often hidden beneath the foliage. It is also known for its ginger-like aroma when the rhizomes are crushed, despite not being related to true ginger.
- ✓ Provides groundcover in shady areas
- ✓ Attracts pollinators
- ✓ Deer resistant
- ✓ Erosion control on slopes
- ✓ Adds visual interest with unique foliage
- ⚠️ 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
Asarum
Water Lily
🌞 Light Requirements
Asarum
Full to partial shade. Cannot tolerate direct sunlight.
Low light tolerant: ❌ No
Water Lily
Full sun (at least 6 hours of direct sunlight daily)
Low light tolerant: ❌ No
💧 Watering Needs
Asarum
Keep soil consistently moist, but not waterlogged. Water when the top inch of soil feels dry. Overwatering can lead to root rot, while underwatering will cause the leaves to wilt and brown.
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
Asarum
Temperature: 10-24°C
Humidity: 50-70%
Water Lily
Temperature: 20-30°C
Humidity: 70-100%
🤔 Which Plant Is Right For You?
Asarum
Asarum canadenseGardeners looking for a shade-loving groundcover in woodland settings.
✅ Choose This Plant If...
- You have a shady woodland garden and need a groundcover
- You want a deer-resistant plant
- You appreciate unique foliage textures
- You want to attract pollinators to your garden (though flowers are hidden)
- You are looking for a native plant to support local ecosystems.
❌ Skip This Plant If...
- You have pets that might ingest the plant
- You do not have a suitable outdoor location with shade and moist soil
- You are looking for a low-maintenance indoor plant.
Water Lily
Nymphaea spp.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.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.
💡 Pro Tips For Comparing These Plants
Asarum Care Tips
Asarum canadense is primarily an outdoor plant and is very difficult to grow indoors. It requires specific shade and moisture conditions that are hard to replicate indoors. It also spreads via rhizomes, which would quickly outgrow a container. Toxicity to pets is a major concern.
- Ensure excellent drainage to prevent root rot
- Provide consistent moisture, especially during dry periods
- Apply a layer of mulch to retain moisture and suppress weeds
- Divide rhizomes every few years to prevent overcrowding
- Monitor for slugs and snails and take appropriate action
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.
⚠️ Common Problems & Solutions — Plant Care Comparison
Asarum
Water Lily
❓ Frequently Asked Questions — Comparing These Plants
Asarum
What are the light requirements for Asarum?
Asarum requires shade to partial shade. Direct sunlight can scorch its delicate leaves, leading to browning and stunted growth. Ideal placement is under the canopy of trees or on the north side of a building, where it receives filtered sunlight or dappled shade. Avoid locations that receive intense afternoon sun. If growing Asarum indoors, place it near a north-facing window or use sheer curtains to diffuse the light. Insufficient light can result in leggy growth and reduced flowering. Observe the plant’s foliage for signs of stress, such as pale or yellowing leaves, and adjust the light accordingly. Remember that the intensity of light changes throughout the year, so monitor your Asarum’s light exposure and adjust its placement as needed.
How do I care for Asarum?
Asarum thrives in shady locations with well-draining, humus-rich soil. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize sparingly in early spring with a balanced, slow-release fertilizer to encourage healthy growth and blooming. Avoid direct sunlight, which can scorch the leaves. Mulch around the plants to retain moisture and suppress weeds. Prune away any dead or damaged foliage to maintain appearance and prevent disease. Asarum prefers cool temperatures and high humidity. Provide good air circulation to prevent fungal diseases. Repot container-grown plants every few years in spring. Monitor for pests such as slugs and snails and treat accordingly. With proper care, Asarum will reward you with its beautiful foliage and unique flowers.
How do I propagate Asarum?
Asarum is best propagated by division in early spring or fall. Carefully dig up the plant and divide the rhizomes into sections, ensuring each section has roots and foliage. Replant the divisions in well-draining, humus-rich soil. Keep the soil consistently moist until the plants are established. Stem cuttings are not a reliable method for Asarum propagation. Keiki, or plantlets, do not naturally form on Asarum. Division is the most successful method for propagating this plant. Ensure the divisions are planted at the same depth as the original plant. Mulch around the newly planted divisions to retain moisture and suppress weeds. Water thoroughly after planting.
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 8, 2026 — Plant care data reviewed and verified by our editorial team.