Lily of the Valley vs Princess Tree Plant Comparison

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

Lily of the Valley

Lily of the Valley

Convallaria majalis

VS
Princess Tree

Princess Tree

Paulownia tomentosa

Lily of the Valley

Lily of the Valley

Convallaria majalis

Lily of the Valley is a rhizomatous perennial plant known for its delicate, sweetly scented bell-shaped flowers. It typically grows to about 15-30 cm tall. The plant features two broad, lance-shaped leaves arising from the base, with a raceme of small, nodding white flowers appearing in spring. It spreads via underground rhizomes, forming colonies. While prized for its beauty and fragrance, it's important to remember that all parts of the plant are poisonous. It is primarily an outdoor plant, thriving in woodland conditions.

Asparagaceae Native to Europe and Asia, widely naturalized in North America
✨ Features: Highly fragrant flowers, attractive ground cover (outdoors)
📖 Read Complete Lily of the Valley Guide
Princess Tree

Princess Tree

Paulownia tomentosa

Paulownia tomentosa, the Princess Tree, is a deciduous tree known for its rapid growth and large, heart-shaped leaves. It can reach heights of 30-60 feet. In spring, it produces fragrant, pale purple flowers in panicles before the leaves emerge. These are followed by persistent seed capsules. While admired for its ornamental value, it's considered invasive in many regions due to its prolific seed production and ability to resprout from roots. It is primarily an outdoor tree and not suitable for indoor cultivation.

Paulowniaceae Central and Western China
✨ Features: Rapid growth, large leaves, fragrant spring flowers, persistent seed capsules.
📖 Read Complete Princess Tree Guide

Quick Plant Comparison

Feature Lily of the Valley Princess Tree
Light Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day. Full sun
Watering Every 2-3 days during active growth, less frequently during dormancy. Once or twice a week during the growing season, less frequently during dormancy.
Humidity 40-60% 30-50%
Temperature 15-21°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 15-30 cm Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, humus-rich soil with a slightly acidic to neutral pH (6.0-7.0). Well-draining soil, adaptable to various soil types including clay, loam, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (primarily watering and removing spent flowers) 1-2 hours per month, primarily for pruning and managing spread.

🔬 Botanical Information — Comparing These Plants

Lily of the Valley

Scientific Name Convallaria majalis
Family Asparagaceae
Native To Native to Europe and Asia, widely naturalized in North America
Also Known As Lily of the Valley, May Lily, May Bells, Our Lady's Tears
Leaves Two broad, lance-shaped, dark green leaves arise from the base of the plant. Leaves are smooth and slightly glossy, typically 10-25 cm long and 4-8 cm wide.
Flowers Rarely flowers indoors unless forced. Outdoors, it produces racemes of small, nodding, bell-shaped white flowers in spring. The flowers are highly fragrant.

Princess Tree

Scientific Name Paulownia tomentosa
Family Paulowniaceae
Native To Central and Western China
Also Known As Princess Tree, Empress Tree, Foxglove Tree
Leaves The leaves are large, heart-shaped (cordate), and can reach up to 12 inches in length. They are typically a medium green color and have a slightly fuzzy texture when young.
Flowers It rarely, if ever, flowers indoors. Outdoors, it produces large panicles of fragrant, pale purple flowers in spring before the leaves emerge.

📏 Size & Growth — Plant Comparison

Lily of the Valley

Height 15-30 cm
Spread Spreads aggressively via rhizomes, forming colonies.
Growth Rate Moderate
Growth Pattern Spreads horizontally via underground rhizomes, forming dense colonies. Leaves and flower stalks emerge from the rhizomes.

Princess Tree

Height Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Spread Not applicable - unsuitable for indoor growing. Outdoors: 9-12 meters
Growth Rate Fast
Growth Pattern Upright, spreading tree with a rounded crown. It grows rapidly, often adding several feet of height per year. It can also spread through root suckers.

🌱 Propagation — Comparing Plant Growth

Lily of the Valley

Methods: Division of rhizomes, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or fall. Replant the divided rhizomes in well-prepared soil, ensuring they are planted at the same depth as before. Seeds can be sown in the fall, but germination can be slow and erratic.

Princess Tree

Methods: Seeds, root cuttings, stem cuttings

Difficulty: Moderate

Tips: For seeds, cold stratify for several weeks before sowing. Root cuttings should be taken in late winter. Stem cuttings can be taken in summer.

✨ Benefits & Features — Comparing Plant Value

Lily of the Valley

Lily of the Valley is known for its intensely fragrant, bell-shaped flowers and its ability to spread via rhizomes, forming dense colonies. Its toxicity is a significant characteristic that requires careful handling.

  • ✓ Fragrant flowers enhance mood and reduce stress.
  • ✓ Adds beauty to shady garden areas.
  • ✓ Provides ground cover in woodland settings.
  • ✓ Historically significant and culturally relevant.
  • ✓ Can be forced indoors for short-term enjoyment.
  • ⚠️ Toxic to pets

Princess Tree

Its rapid growth rate and large leaves distinguish it from many other trees. The fragrant spring flowers are also a notable feature. However, its invasive nature is a significant consideration.

  • ✓ Provides shade in large outdoor spaces.
  • ✓ Offers fragrant spring flowers.
  • ✓ Attracts pollinators.
  • ✓ Provides habitat for wildlife.
  • ✓ Can be used for erosion control on slopes.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lily of the Valley

Repotting Not typically grown in pots long-term due to aggressive spreading. If container-grown, repot annually in early spring, dividing the rhizomes to prevent overcrowding.
Pruning Remove faded flowers and yellowing leaves to maintain appearance and prevent disease.
Fertilizing Apply a balanced liquid fertilizer (10-10-10) diluted to half strength in early spring, before flowering. Avoid over-fertilizing.
Seasonal Care Spring: Fertilize before flowering. Summer: Ensure adequate moisture and shade. Fall: Divide rhizomes if needed. Winter: Provide a cool dormancy period (near freezing temperatures) for at least 2-3 months to encourage flowering the following spring. Reduce watering during dormancy.

Princess Tree

Repotting Not applicable - unsuitable for indoor growing.
Pruning Prune in late winter or early spring to remove dead or damaged branches and shape the tree.
Fertilizing Use a balanced fertilizer (10-10-10) in early spring to promote growth. Avoid over-fertilizing.
Seasonal Care In spring, fertilize and monitor for pests. In summer, ensure adequate watering. In fall, collect seeds if desired. In winter, protect young trees from frost damage.

🌞 Light Requirements

Lily of the Valley

Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ✅ Yes

Princess Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Lily of the Valley

Keep the soil consistently moist, but not waterlogged. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt and brown.

Princess Tree

Water deeply when the topsoil feels dry to the touch, especially during the growing season. Avoid overwatering, which can lead to root rot. Reduce watering in the dormant season. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Lily of the Valley

Temperature: 15-21°C

Humidity: 40-60%

Princess Tree

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Lily of the Valley

Lily of the Valley

Convallaria majalis
Care: Expert Time: 15 minutes weekly (primarily watering and removing spent flowers) Beginner: No

Experienced gardeners who can provide the specific environmental conditions and manage its toxicity.

✅ Choose This Plant If...

  • You love fragrant flowers and are willing to provide a cool dormancy period.
  • You have a shady garden spot where it can thrive.
  • You are an experienced gardener who can manage its specific needs.
  • You are aware of its toxicity and can keep it away from children and pets.
  • You appreciate its delicate beauty and historical significance.

❌ Skip This Plant If...

  • You have pets or small children who might ingest it.
  • You are a beginner gardener looking for an easy-care plant.
  • You don't have a cool, shady location to grow it.
  • You want a plant that thrives indoors without special care.
  • You dislike plants that spread aggressively.
📍 Ideal Location: Outdoors in a shady garden bed or woodland area. Can be forced indoors for short periods, but requires specific conditions.
🎨 Style: Cottagecore, Traditional, Woodland
🏠 Apartment Friendly: No
⚠️ All parts of the plant, including the flowers, leaves, stems, and berries, contain cardiac glycosides, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, abdominal pain, weakness, irregular heartbeat, and seizures. In severe cases, ingestion can be fatal.
Princess Tree

Princess Tree

Paulownia tomentosa
Care: Expert Time: 1-2 hours per month, primarily for pruning and managing spread. Beginner: No

Landowners with large properties in non-invasive regions who appreciate fast-growing shade trees with showy spring flowers.

✅ Choose This Plant If...

  • You have a large outdoor space and want a fast-growing shade tree.
  • You appreciate fragrant spring flowers.
  • You are prepared to manage its potentially invasive nature.
  • You want a tree that can tolerate a variety of soil conditions.
  • You are looking for a tree that provides habitat for wildlife.

❌ Skip This Plant If...

  • You have a small garden or limited space.
  • You live in a region where it is considered invasive.
  • You are not prepared to manage its rapid growth and spread.
📍 Ideal Location: Large outdoor space with full sun and well-draining soil.
🎨 Style: Natural, Traditional, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Paulownia tomentosa is toxic to horses. The toxic principle is unknown, but symptoms include blistering of the mouth and skin.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Lily of the Valley has moderate growth, while Princess Tree grows fast.

💡 Pro Tips For Comparing These Plants

Lily of the Valley Care Tips

Lily of the Valley is primarily an outdoor plant that thrives in cool, shady conditions. Growing it indoors is challenging due to its need for a cool dormancy period and specific humidity requirements. It also spreads aggressively via rhizomes, requiring careful containment. Toxicity is a major concern for pet owners.

  • Provide a cool dormancy period (near freezing) in winter for optimal flowering.
  • Ensure well-draining soil to prevent root rot.
  • Protect from direct sunlight to prevent leaf scorch.
  • Divide rhizomes regularly to control spread.
  • Be vigilant about pests and diseases.
❄️ Winter: Provide a cool dormancy period (near freezing temperatures) for at least 2-3 months. Reduce watering significantly during dormancy. If container-grown, move to a cool, dark location.
☀️ Summer: Ensure adequate moisture and shade to prevent leaf scorch. Monitor for pests and diseases. Deadhead spent flowers to encourage continued growth.

Princess Tree Care Tips

Paulownia tomentosa is an outdoor tree that requires full sun and well-draining soil. It is not suitable for indoor cultivation due to its size and light requirements. It is considered invasive in many areas, requiring careful management to prevent its spread.

  • Monitor for invasive spread and remove seedlings promptly.
  • Prune regularly to maintain shape and remove dead or damaged branches.
  • Water deeply during dry periods, especially when young.
  • Fertilize in early spring with a balanced fertilizer.
  • Protect young trees from strong winds.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Reduce watering during the dormant season.
☀️ Summer: Ensure adequate watering during dry periods. Monitor for pests and diseases. Provide shade for young trees during the hottest part of the day.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lily of the Valley

Common Issues: Root rot, Leaf spot, Spider mites, Lack of flowering indoors
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Leaf spot: Remove affected leaves and improve air circulation. Spider mites: Treat with insecticidal soap or neem oil. Lack of flowering indoors: Provide a cool dormancy period and adequate humidity.

Princess Tree

Common Issues: Invasive spread, susceptibility to wind damage, root rot in poorly drained soils, leaf spot diseases.
Solutions: Control spread by removing seedlings and suckers. Provide wind protection. Ensure proper drainage. Treat leaf spot with appropriate fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Lily of the Valley

What are the light requirements for Lily of the Valley?

Lily of the Valley prefers partial to full shade. While it can tolerate some morning sun, avoid exposing it to harsh afternoon sunlight, which can scorch the leaves. Ideal placement is under the canopy of trees or in a location that receives dappled sunlight throughout the day. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Lily of the Valley?

Lily of the Valley thrives in partial to full shade, requiring well-draining soil that’s consistently moist but not soggy. Water thoroughly when the top inch of soil feels dry. Fertilize sparingly, using a balanced liquid fertilizer diluted to half strength during the growing season (spring to early summer) to encourage blooming. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.

How do I propagate Lily of the Valley?

The most common method for propagating Lily of the Valley is through division. In early spring or fall, carefully dig up an established clump of rhizomes. Gently separate the rhizomes, ensuring that each section has healthy roots and at least one growth bud. Replant the divided rhizomes in well-draining soil, spacing them a few inches apart. Water thoroughly and keep the soil consistently moist until new growth appears.

Princess Tree

What are the light requirements for Princess Tree?

Princess Tree thrives in bright, indirect light. Insufficient light can lead to leggy growth and reduced leaf size. Place your Princess Tree near a sunny window, ideally facing east or west. If you only have a south-facing window, filter the light with a sheer curtain to prevent scorching. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is limited, consider supplementing with artificial grow lights to provide the necessary light intensity. Pale leaves or slow growth can indicate insufficient light.

How do I care for Princess Tree?

To successfully grow Princess Tree indoors, provide it with bright, indirect light; direct sunlight can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, especially during the winter months when indoor air tends to be drier. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot the plant every 1-2 years, or when it becomes root-bound, using a well-draining potting mix. Prune as needed to maintain shape and remove any dead or damaged leaves. Monitor for pests such as spider mites and aphids, and treat promptly with insecticidal soap or neem oil. Maintain stable temperatures, avoiding drastic fluctuations.

How do I propagate Princess Tree?

Princess Tree can be propagated through stem cuttings and air layering.

Last updated: May 2, 2026 — Plant care data reviewed and verified by our editorial team.