Paeonia vs Peace Lily Plant Comparison

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

Paeonia

Paeonia

Paeonia spp.

VS
Peace Lily

Peace Lily

Spathiphyllum wallisii

Paeonia

Paeonia

Paeonia spp.

Paeonia, commonly known as peony, is a genus of flowering plants. Most are herbaceous perennials, but some are woody shrubs (tree peonies). They are known for their large, showy, and often fragrant flowers, which come in a variety of colors including pink, red, white, and yellow. Peonies are primarily outdoor plants, grown for their ornamental value in gardens and landscapes. They are not well-suited for indoor cultivation due to their high light requirements and dormancy needs. People grow them for their beautiful blooms and long lifespan.

Paeoniaceae Asia, Europe, and Western North America
✨ Features: Large, showy, fragrant flowers. Long lifespan (can live for decades).
📖 Read Complete Paeonia Guide
Peace Lily

Peace Lily

Spathiphyllum wallisii

The Peace Lily is a popular evergreen herbaceous perennial known for its elegant white 'flowers' (actually modified leaves called spathes) and glossy, dark green leaves. It's primarily grown as an indoor plant for its air-purifying qualities and attractive appearance. It features a clumping growth habit, arising from rhizomes. While it can be grown outdoors in very warm, humid climates, it's most commonly found as a houseplant due to its adaptability to indoor conditions and tolerance of lower light levels. The plant's beauty and ease of care make it a favorite for homes and offices.

Araceae Tropical rainforests of Central and South America
✨ Features: Air purifying, elegant appearance
📖 Read Complete Peace Lily Guide

Quick Plant Comparison

Feature Paeonia Peace Lily
Light Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal flowering. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering 1-2 times per week during the growing season, less frequently during dormancy. Every 7-10 days, depending on environmental conditions
Humidity 30-50% 50-70%
Temperature 15-24°C 18-24°C
Care Level Expert Easy
Growth Rate Moderate Moderate
Max Height 0.6-1.5 meters (outdoors). Will not thrive indoors. 30-60 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil with a slightly acidic to neutral pH. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 30 minutes weekly during the growing season. 5-10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Paeonia

Scientific Name Paeonia spp.
Family Paeoniaceae
Native To Asia, Europe, and Western North America
Also Known As Peony
Leaves The leaves are typically compound, deeply divided, and dark green. The leaf shape varies depending on the species and cultivar.
Flowers Peonies rarely, if ever, flower indoors. Outdoors, they produce large, showy flowers in spring or early summer. The flowers come in a variety of colors, including pink, red, white, and yellow, and can be single, semi-double, or double.

Peace Lily

Scientific Name Spathiphyllum wallisii
Family Araceae
Native To Tropical rainforests of Central and South America
Also Known As Peace Lily, White Sails, Spathe Flower
Leaves The leaves are glossy, dark green, and lance-shaped, with prominent veins. They can grow up to 25 cm long and have a slightly wavy texture.
Flowers Peace Lilies can flower indoors under the right conditions, typically in spring or early summer. The 'flower' is a white spathe that surrounds a central spadix covered in small, true flowers. The spathe will eventually turn green as it ages.

📏 Size & Growth — Plant Comparison

Paeonia

Height 0.6-1.5 meters (outdoors). Will not thrive indoors.
Spread 0.6-1.2 meters (outdoors).
Growth Rate Moderate
Growth Pattern Herbaceous peonies grow as upright clumps of foliage, producing large flowers on sturdy stems. Tree peonies have a more shrub-like growth habit with woody stems.

Peace Lily

Height 30-60 cm
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern The Peace Lily grows in a clumping, upright habit. It spreads slowly via rhizomes, but is not considered an aggressive spreader.

🌱 Propagation — Comparing Plant Growth

Paeonia

Methods: Division, Seed, Grafting (for tree peonies)

Difficulty: Moderate

Tips: Division is best done in the fall. Ensure each division has at least 3-5 eyes (buds). Plant divisions at the same depth as the original plant.

Peace Lily

Methods: Division

Difficulty: Easy

Tips: Divide the plant at the root ball, ensuring each division has healthy roots and leaves. Repot immediately.

✨ Benefits & Features — Comparing Plant Value

Paeonia

Peonies are known for their large, showy flowers and long lifespan. They can live for decades and become a cherished part of a garden. Tree peonies have woody stems, while herbaceous peonies die back to the ground each winter.

  • ✓ Beautiful and fragrant flowers
  • ✓ Long lifespan and can become a family heirloom
  • ✓ Attracts pollinators to the garden
  • ✓ Provides a stunning display in spring
  • ✓ Relatively low-maintenance once established.
  • ⚠️ Toxic to pets

Peace Lily

The Peace Lily is known for its elegant white spathe, which resembles a flower but is actually a modified leaf. It's also a popular choice for its air-purifying qualities, removing toxins like formaldehyde and benzene from the air.

  • ✓ Improved indoor air quality
  • ✓ Elegant and calming aesthetic
  • ✓ Relatively low-maintenance
  • ✓ Adds a touch of greenery to any space
  • ✓ Can help to reduce stress levels
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Paeonia

Repotting Not applicable for indoor growing, as it's not recommended. For outdoor plants, repotting is rarely needed unless dividing.
Pruning Deadhead spent flowers to encourage new growth. Cut back herbaceous peonies to the ground in the fall after the foliage has died back. Prune tree peonies lightly in late winter to remove dead or crossing branches.
Fertilizing Balanced fertilizer (10-10-10) in early spring and after flowering. Avoid over-fertilizing.
Seasonal Care Spring: Fertilize and monitor for pests and diseases. Summer: Water regularly and deadhead spent flowers. Fall: Divide plants if needed. Winter: Provide a cold dormancy period.

Peace Lily

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Remove dead or yellowing leaves at the base of the plant. Cut off spent flower spathes to encourage new growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 6-8 weeks during the growing season (spring and summer)
Seasonal Care Reduce watering in winter when growth slows. Maintain humidity levels during dry winter months. Increase watering and fertilizing during the spring and summer growing season.

🌞 Light Requirements

Paeonia

Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Peace Lily

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

Low light tolerant: ✅ Yes

💧 Watering Needs

Paeonia

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering during dormancy.

Peace Lily

Water thoroughly when the top inch of soil feels dry to the touch. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering will cause the leaves to droop dramatically.

🌡️ Temperature & Humidity

Paeonia

Temperature: 15-24°C

Humidity: 30-50%

Peace Lily

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Paeonia

Paeonia

Paeonia spp.
Care: Expert Time: 30 minutes weekly during the growing season. Beginner: No

Gardeners with outdoor space who want beautiful, long-lived flowering plants.

✅ Choose This Plant If...

  • You have a sunny garden and want a long-lived perennial
  • You appreciate large, fragrant flowers in spring
  • You want a plant that can be passed down through generations
  • You are looking for a classic, elegant garden plant
  • You live in a climate with cold winters that provide the necessary dormancy.

❌ Skip This Plant If...

  • You only have indoor space and cannot provide the necessary sunlight and dormancy
  • You have pets that might ingest the plant
  • You live in a very warm climate without a distinct winter.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure.
🎨 Style: Traditional, Cottage, Romantic
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains paeonol. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.
Peace Lily

Peace Lily

Spathiphyllum wallisii
Care: Easy Time: 5-10 minutes weekly Beginner: Yes

Individuals looking for an elegant, low-maintenance houseplant that can improve indoor air quality.

✅ Choose This Plant If...

  • It's a beautiful and elegant plant that adds a touch of sophistication to any room.
  • It's relatively low-maintenance and easy to care for, making it a good choice for beginners.
  • It's known for its air-purifying qualities, helping to improve indoor air quality.
  • It tolerates low light conditions, making it suitable for rooms with less natural light.
  • It's a great way to add a touch of greenery to your home or office.

❌ Skip This Plant If...

  • It's toxic to pets if ingested.
  • It can be sensitive to fluoride in tap water.
  • It requires consistent watering and can be prone to root rot if overwatered.
📍 Ideal Location: Living room, bedroom, or office with bright, indirect light
🎨 Style: Modern, Minimalist, Tropical
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ Toxic to dogs, cats, and horses. Contains calcium oxalate crystals. Chewing or biting into this plant releases these crystals causing oral irritation, excessive drooling, vomiting, and difficulty swallowing.

🎯 Quick Verdict

Best for Beginners Peace Lily
Pet Friendly Neither - caution
Less Maintenance Peace Lily
Apartment Friendly Peace Lily

⚡ Key Differences Between These Plants

🎯

Paeonia is rated Expert care level, while Peace Lily is Easy.

💡 Pro Tips For Comparing These Plants

Paeonia Care Tips

Peonies are primarily outdoor plants and are very challenging to grow indoors. They require full sun, a cold dormancy period, and well-draining soil. Indoor cultivation is unlikely to be successful. They need specific temperature fluctuations to thrive, which are difficult to replicate indoors.

  • Ensure well-draining soil to prevent root rot
  • Provide adequate sunlight for optimal flowering
  • Fertilize in early spring and after flowering
  • Deadhead spent flowers to encourage new growth
  • Provide a cold dormancy period in winter.
❄️ Winter: Herbaceous peonies die back to the ground in winter. Provide a layer of mulch to protect the roots. Tree peonies need protection from harsh winds and heavy snow.
☀️ Summer: Water regularly during dry periods. Deadhead spent flowers to encourage new growth. Provide support for heavy blooms to prevent stems from breaking.

Peace Lily Care Tips

Peace Lilies are relatively easy to care for indoors. They thrive in bright, indirect light and require regular watering. Avoid direct sunlight and overwatering. They are sensitive to fluoride in tap water, so use filtered or distilled water if possible.

  • Use filtered or distilled water to avoid fluoride toxicity.
  • Wipe the leaves regularly with a damp cloth to remove dust and improve photosynthesis.
  • Provide adequate humidity by misting the plant or using a humidifier.
  • Avoid placing the plant near drafts or heating vents.
  • Repot the plant in fresh soil every 1-2 years to provide nutrients and improve drainage.
❄️ Winter: Reduce watering frequency in winter as the plant's growth slows. Maintain humidity levels, as indoor heating can dry out the air. Avoid placing the plant near cold drafts.
☀️ Summer: Water more frequently during the summer growing season. Provide adequate humidity and protect the plant from direct sunlight to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Paeonia

Common Issues: Botrytis blight, powdery mildew, root rot, lack of flowering
Solutions: Botrytis blight: Improve air circulation and remove infected foliage. Powdery mildew: Apply fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Lack of flowering: Ensure adequate sunlight and proper fertilization.

Peace Lily

Common Issues: Brown leaf tips, yellowing leaves, drooping leaves, root rot
Solutions: Brown leaf tips: Increase humidity or use filtered water. | Yellowing leaves: Adjust watering schedule, check for pests, or reduce fertilizer. | Drooping leaves: Water thoroughly. | Root rot: Repot in fresh soil and improve drainage.

❓ Frequently Asked Questions — Comparing These Plants

Paeonia

What are the light requirements for Paeonia?

Paeonia requires a substantial amount of sunlight to thrive and produce abundant blooms. Ideally, these plants need at least six hours of direct sunlight per day. Morning sun is particularly beneficial as it allows the foliage to dry quickly, reducing the risk of fungal diseases. In hotter climates, some afternoon shade may be beneficial to prevent scorching of the leaves. Insufficient sunlight can result in weak growth, fewer flowers, and leggy stems. When planting, choose a location that receives full sun exposure. If growing in containers, rotate the plants regularly to ensure even light distribution. Pay attention to the light conditions throughout the day and adjust the plant’s location accordingly to optimize its access to sunlight. Supplemental lighting may be necessary in areas with limited sunlight.

How do I care for Paeonia?

Paeonia thrives with proper care. Plant in well-draining soil enriched with organic matter. Provide at least 6 hours of direct sunlight daily. Water deeply but infrequently, allowing the soil to dry slightly between waterings. Fertilize in early spring with a balanced fertilizer, and again after blooming with a fertilizer higher in phosphorus to promote bud development. Deadhead spent blooms to encourage further flowering. Support heavy blooms with stakes to prevent them from drooping. Mulch around the base of the plant to retain moisture and suppress weeds. Prune away any dead or diseased foliage. Provide winter protection in colder climates by mulching heavily around the base of the plant. Monitor for pests and diseases, and treat promptly if necessary. Ensure good air circulation to prevent fungal diseases. Choose a location with good drainage to avoid root rot. Peonies prefer slightly acidic to neutral soil pH.

How do I propagate Paeonia?

Paeonia can be propagated through division, stem cuttings, or, less commonly, from seed. Division is the most common method. In the fall, carefully dig up the plant and divide the root clump into sections, ensuring each section has at least three to five eyes (buds). Replant the divisions in well-draining soil enriched with organic matter. Stem cuttings can be taken in late spring or early summer. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cutting moist and in a humid environment until roots develop. Propagation from seed is a longer and more challenging process. Sow seeds in the fall and allow them to undergo cold stratification over the winter. Germination may take several months to a year. Keiki propagation is not applicable for Peonies.

Peace Lily

What are the light requirements for Peace Lily?

Peace Lilies thrive in medium to low indirect light. Avoid direct sunlight, which can scorch their leaves. An east-facing window is ideal, providing gentle morning light. If placed near a south or west-facing window, use a sheer curtain to filter the light. Too little light can result in fewer flowers and slower growth. Observe your plant for signs of inadequate light, such as leggy growth or a lack of blooms. You can also use artificial light, such as fluorescent or LED grow lights, if natural light is limited. Rotate your plant occasionally to ensure even light exposure on all sides. Remember that darker-leaved varieties can tolerate slightly lower light levels than lighter-leaved ones.

How do I care for Peace Lily?

Peace Lilies thrive in indirect light; avoid direct sunlight to prevent leaf burn. Water thoroughly when the top inch of soil is dry, allowing excess water to drain. They prefer high humidity, so mist regularly or place near a humidifier. Fertilize sparingly during the growing season (spring/summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years as needed, using a well-draining potting mix. Keep temperatures between 65-80°F (18-27°C). Prune away any yellow or brown leaves to maintain appearance. Protect from drafts and sudden temperature changes. Monitor for pests like spider mites or mealybugs and treat accordingly. Provide adequate air circulation to prevent fungal diseases. With proper care, your Peace Lily will reward you with beautiful foliage and elegant blooms.

How do I propagate Peace Lily?

Peace Lilies are commonly propagated by division. Carefully remove the plant from its pot and gently separate the root ball into smaller clumps, ensuring each clump has healthy roots and leaves. Plant each division into its own pot with fresh potting mix. Keep the soil consistently moist and provide bright, indirect light. Propagation by stem cuttings is less common but can be attempted by taking a cutting with a leaf and a node and placing it in water until roots develop before planting in soil. Air layering is another option, but it’s more complex and not typically used for Peace Lilies. Division is the most reliable method.

Last updated: May 1, 2026 — Plant care data reviewed and verified by our editorial team.