Asarum vs Calathea Plant Comparison

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

Asarum

Asarum

Asarum canadense

VS
Calathea

Calathea

Calathea spp.

Asarum

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.

Aristolochiaceae Eastern North America
✨ Features: Attractive foliage, effective groundcover, deer resistant.
📖 Read Complete Asarum Guide
Calathea

Calathea

Calathea spp.

Calathea are rhizomatous herbaceous perennials prized for their strikingly patterned foliage. They are naturally understory plants in tropical rainforests, accustomed to dappled light and high humidity. Calathea are grown as houseplants for their decorative leaves, which come in a variety of colors and patterns. Many species exhibit nyctinasty, raising their leaves at night and lowering them during the day, resembling praying hands. While beautiful, they can be challenging to grow indoors due to their specific environmental needs. They are not naturally indoor plants, and require careful attention to humidity, light, and watering.

Marantaceae Tropical Americas, primarily Brazil
✨ Features: Striking foliage patterns and nyctinasty (leaf movement).
📖 Read Complete Calathea Guide

Quick Plant Comparison

Feature Asarum Calathea
Light Full to partial shade. Cannot tolerate direct sunlight. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 3-7 days, depending on weather and soil drainage. Every 7-10 days, depending on environmental conditions and pot size.
Humidity 50-70% 60-80%
Temperature 10-24°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 0.15-0.3 meters (outdoors) 0.3-0.6 meters (1-2 feet)
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. Well-draining potting mix that retains moisture. A mix of peat moss, perlite, and vermiculite is suitable.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 10 minutes weekly (weeding, watering) 30 minutes weekly

🔬 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.

Calathea

Scientific Name Calathea spp.
Family Marantaceae
Native To Tropical Americas, primarily Brazil
Also Known As Prayer Plant, Zebra Plant, Peacock Plant, Rattlesnake Plant
Leaves Calathea leaves are ovate to lanceolate in shape, with a variety of colors and patterns depending on the species. They can be green, purple, pink, red, or white, often with contrasting veins, spots, or stripes. The texture is typically smooth and slightly waxy. Leaf size varies, but generally ranges from 15-30 cm (6-12 inches) long.
Flowers Calathea rarely flowers indoors. When they do, the flowers are small and inconspicuous, typically white or purple, and are not the main attraction of the plant.

📏 Size & Growth — Plant Comparison

Asarum

Height 0.15-0.3 meters (outdoors)
Spread Spreads indefinitely via rhizomes (outdoors)
Growth Rate Moderate
Growth Pattern Spreads horizontally via rhizomes, forming a dense groundcover. The leaves emerge in pairs from the rhizomes.

Calathea

Height 0.3-0.6 meters (1-2 feet)
Spread 0.3-0.6 meters (1-2 feet), spreads via rhizomes
Growth Rate Moderate
Growth Pattern Calathea grows in an upright, bushy habit. It spreads via rhizomes, forming clumps over time. The leaves emerge from the base of the plant on long petioles.

🌱 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.

Calathea

Methods: Division

Difficulty: Moderate

Tips: Divide the rhizomes in spring when repotting. Ensure each division has healthy roots and leaves. Plant in fresh potting mix and keep humid.

✨ 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

Calathea

Calathea's most unique characteristic is its striking foliage patterns, which vary widely among different species. The nyctinastic movement of its leaves, raising and lowering them throughout the day and night, is also a distinctive feature.

  • ✓ Adds a vibrant and exotic touch to indoor spaces.
  • ✓ Unique foliage patterns create visual interest.
  • ✓ Can improve indoor air quality by increasing humidity.
  • ✓ Offers a calming and therapeutic effect through its natural beauty.
  • ✓ Provides a sense of accomplishment when successfully grown.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Asarum

Repotting Not applicable for outdoor groundcover. If attempting indoors, repot annually in spring to accommodate rhizome growth.
Pruning Remove dead or damaged foliage as needed.
Fertilizing Apply a balanced, slow-release fertilizer in early spring. Avoid over-fertilizing.
Seasonal Care In spring, apply fertilizer and remove any dead foliage. In summer, ensure adequate moisture during dry spells. In fall, divide rhizomes if desired. In winter, the foliage dies back, and the plant goes dormant.

Calathea

Repotting Every 1-2 years, or when the plant becomes root-bound. Use a pot only slightly larger than the previous one.
Pruning Remove dead or damaged leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer). Do not fertilize in the fall and winter.
Seasonal Care Reduce watering in winter when growth slows. Increase humidity during dry winter months. Provide more light in winter if possible.

🌞 Light Requirements

Asarum

Full to partial shade. Cannot tolerate direct sunlight.

Low light tolerant: ❌ No

Calathea

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

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.

Calathea

Keep the soil consistently moist but not soggy. Water when the top inch of soil feels slightly dry. Use distilled water or rainwater, as tap water can contain minerals that cause leaf browning. Overwatering can lead to root rot, indicated by yellowing and drooping leaves. Underwatering results in crispy, brown leaf edges.

🌡️ Temperature & Humidity

Asarum

Temperature: 10-24°C

Humidity: 50-70%

Calathea

Temperature: 18-24°C

Humidity: 60-80%

🤔 Which Plant Is Right For You?

Asarum

Asarum

Asarum canadense
Care: Expert Time: 10 minutes weekly (weeding, watering) Beginner: No

Gardeners 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.
📍 Ideal Location: Shady woodland garden or shaded area under trees.
🎨 Style: Woodland, Naturalistic, Cottage
🏠 Apartment Friendly: No
⚠️ Contains aristolochic acids, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and kidney damage. All parts of the plant are considered toxic.
Calathea

Calathea

Calathea spp.
Care: Moderate Time: 30 minutes weekly Beginner: With-caution

Experienced plant owners who can provide the high humidity and consistent care that Calathea require.

✅ Choose This Plant If...

  • You love plants with unique and striking foliage patterns.
  • You are willing to provide high humidity levels.
  • You are experienced with caring for tropical plants.
  • You enjoy the daily movement of the leaves (nyctinasty).
  • You are looking for a plant that adds a touch of the tropics to your home.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a dry climate and are unwilling to provide supplemental humidity.
  • You are a beginner plant owner.
  • You have pets that might ingest the plant.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bathroom, kitchen, or any room with high humidity and bright, indirect light.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ Calathea are mildly toxic to cats, dogs, and horses. Symptoms include oral irritation, drooling, vomiting, and difficulty swallowing. The toxic principle is unknown, but is likely due to insoluble calcium oxalates.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Calathea

⚡ Key Differences Between These Plants

🎯

Asarum is rated Expert care level, while Calathea is Moderate.

💡 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
❄️ Winter: The foliage dies back in winter, and the plant goes dormant. A layer of mulch can help protect the rhizomes from extreme cold.
☀️ Summer: Ensure adequate moisture during dry spells. Provide shade to protect the leaves from scorching.

Calathea Care Tips

Calathea require consistent moisture, high humidity, and bright, indirect light. They are sensitive to tap water and temperature fluctuations. Maintaining proper humidity is the biggest challenge for indoor growers. They are prone to browning leaf tips if conditions are not ideal.

  • Use distilled water or rainwater to avoid mineral buildup in the soil.
  • Increase humidity by using a humidifier, pebble tray, or grouping plants together.
  • Rotate the plant regularly to ensure even light exposure.
  • Wipe the leaves occasionally to remove dust and improve photosynthesis.
  • Monitor for pests regularly and treat promptly.
❄️ Winter: Reduce watering frequency in winter as growth slows. Maintain high humidity levels, as indoor air tends to be drier during the winter months. Provide supplemental light if needed, especially in regions with short days.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect from direct sunlight to prevent leaf scorch. Ensure adequate ventilation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Asarum

Common Issues: Root rot, slugs and snails, leaf spot
Solutions: Ensure good drainage to prevent root rot. Use slug and snail bait or handpick them off the plants. Apply a fungicide for leaf spot.

Calathea

Common Issues: Brown leaf tips, leaf curling, root rot, pest infestations (spider mites).
Solutions: Increase humidity for brown leaf tips. Ensure proper watering and drainage to prevent root rot. Treat pest infestations with insecticidal soap or neem oil.

❓ 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.

Calathea

What are the light requirements for Calathea?

Calathea require bright, indirect light to thrive. Direct sunlight can scorch their delicate leaves, causing discoloration and damage. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but may require supplemental lighting during darker months. If placing your Calathea near a south- or west-facing window, use a sheer curtain to filter the light. Observe your plant for signs of insufficient light, such as leggy growth or loss of leaf patterns. Rotate your plant regularly to ensure even light exposure on all sides. Providing the right light is crucial for maintaining the vibrant colors and patterns of your Calathea.

How do I care for Calathea?

Calathea thrive in bright, indirect light; avoid direct sunlight, which can scorch their leaves. Maintain consistent moisture in the soil, watering when the top inch feels dry. Use filtered water or rainwater, as they are sensitive to tap water chemicals. Humidity is crucial; aim for 60% or higher by using a humidifier, pebble tray, or grouping plants together. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years in spring, using a well-draining potting mix. Monitor for pests like spider mites and mealybugs, and treat promptly. Prune any yellowed or damaged leaves to encourage new growth. Consistent care and attention to their specific needs will keep your Calathea healthy and vibrant.

How do I propagate Calathea?

Calathea can be propagated through division during repotting. Carefully separate the rhizomes, ensuring each division has healthy roots and leaves. Plant each division in its own pot with well-draining potting mix. Keep the soil consistently moist and maintain high humidity. Stem cuttings are not typically successful for Calathea propagation. Air layering is also not a common propagation method for Calathea. Division is the most reliable method for propagating these plants. Provide gentle care and avoid overwatering until new growth appears. Patience is key, as it may take several weeks for the divisions to establish themselves.

Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.