Morning Glory Tree vs Princess Tree Plant Comparison

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

Morning Glory Tree

Morning Glory Tree

Ipomoea arborescens

VS
Princess Tree

Princess Tree

Paulownia tomentosa

Morning Glory Tree

Morning Glory Tree

Ipomoea arborescens

Ipomoea arborescens, commonly known as the Morning Glory Tree, is a semi-deciduous tree or large shrub native to Mexico. It's characterized by its smooth, white bark and profuse display of large, white, trumpet-shaped flowers, typically blooming in late winter to early spring. The tree can reach heights of 10-15 meters in its natural habitat. It's grown for its ornamental value, adding a unique sculptural element to landscapes, especially in arid and semi-arid regions. While it can be grown in containers, it's primarily an outdoor plant and requires specific conditions to thrive.

Convolvulaceae Mexico (primarily southern Mexico)
✨ Features: Showy white flowers, drought tolerance, sculptural form.
📖 Read Complete Morning Glory Tree 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 Morning Glory Tree Princess Tree
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun
Watering Every 1-2 weeks during the growing season, less frequently in winter. Once or twice a week during the growing season, less frequently during dormancy.
Humidity 30-50% 30-50%
Temperature 18-27°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 2-4 meters (in containers, significantly less indoors, if attempted) Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil mix, such as a cactus or succulent mix amended with perlite or sand. Well-draining soil, adaptable to various soil types including clay, loam, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 1-2 hours per month, primarily for pruning and managing spread.

🔬 Botanical Information — Comparing These Plants

Morning Glory Tree

Scientific Name Ipomoea arborescens
Family Convolvulaceae
Native To Mexico (primarily southern Mexico)
Also Known As Morning Glory Tree, Tree Morning Glory, White Trumpet Tree, Palo Blanco
Leaves The leaves are ovate to heart-shaped, typically 5-10 cm long, and have a slightly rough texture. They are deciduous or semi-deciduous, meaning they may drop some or all of their leaves during the dormant season (winter). The color is typically a medium green.
Flowers It produces large, trumpet-shaped white flowers that are 5-10 cm in diameter. The flowers typically bloom in late winter to early spring, creating a spectacular display. Flowering indoors is rare and unlikely due to the high light requirements.

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

Morning Glory Tree

Height 2-4 meters (in containers, significantly less indoors, if attempted)
Spread 1-2 meters (in containers)
Growth Rate Moderate
Growth Pattern It grows as a small to medium-sized tree with a rounded crown. The branches are somewhat brittle. It can also be trained as a large shrub. It's not a vine like typical morning glories.

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

Morning Glory Tree

Methods: Seed, stem cuttings

Difficulty: Moderate

Tips: For seeds, scarify and soak them in warm water for 24 hours before planting. Stem cuttings should be taken in spring or summer and rooted in well-draining soil.

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

Morning Glory Tree

The Morning Glory Tree is unique for its combination of a tree-like form with the characteristic trumpet-shaped flowers of morning glories. Its smooth, white bark adds to its ornamental appeal, making it a standout specimen in arid and semi-arid landscapes.

  • ✓ Provides shade in warm climates
  • ✓ Adds a unique sculptural element to the landscape
  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Drought-tolerant and low-maintenance once established
  • ✓ Offers a beautiful display of white flowers in spring
  • ⚠️ 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

Morning Glory Tree

Repotting Every 2-3 years, or as needed when the plant becomes root-bound.
Pruning Prune in late winter or early spring to shape the tree and remove any dead or damaged branches.
Fertilizing Balanced slow-release fertilizer in spring, or a diluted liquid fertilizer every 2-3 months during the growing season.
Seasonal Care Reduce watering in winter during dormancy. Protect from frost in colder climates. Fertilize in spring to promote growth and flowering.

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

Morning Glory Tree

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Princess Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Morning Glory Tree

Water deeply when the topsoil is dry to the touch. Avoid overwatering, as this can lead to root rot. In containers, ensure proper drainage. During the dormant season (winter), reduce watering significantly. Signs of underwatering include wilting leaves and dry soil. Overwatering can cause yellowing leaves and a soggy soil.

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

Morning Glory Tree

Temperature: 18-27°C

Humidity: 30-50%

Princess Tree

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Morning Glory Tree

Morning Glory Tree

Ipomoea arborescens
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want a unique and drought-tolerant ornamental tree.

✅ Choose This Plant If...

  • You live in a warm, sunny climate and have a large outdoor space.
  • You want a drought-tolerant tree with beautiful white flowers.
  • You are an experienced gardener looking for a unique specimen plant.
  • You appreciate the sculptural form and white bark of the tree.
  • You are prepared to provide the specific care this plant needs to thrive.

❌ Skip This Plant If...

  • You live in a cold climate with frequent frosts.
  • You have limited outdoor space or live in an apartment.
  • You have pets or small children who may ingest the plant.
  • You are a beginner gardener.
  • You cannot provide full sun exposure.
📍 Ideal Location: Sunny patio or garden in a warm climate.
🎨 Style: Southwestern, Mediterranean, Desert, Bohemian
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds, contain toxic compounds. Ingestion can cause gastrointestinal upset, including vomiting and diarrhea, in dogs, cats, and horses. According to the ASPCA, Ipomoea species are toxic to animals.
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

☀️

Morning Glory Tree needs full sun (at least 6-8 hours of direct sunlight daily), while Princess Tree prefers full sun.

📈

Morning Glory Tree has moderate growth, while Princess Tree grows fast.

💡 Pro Tips For Comparing These Plants

Morning Glory Tree Care Tips

The Morning Glory Tree is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements and potential size. It's best suited for warm climates and requires careful watering to avoid root rot. Due to its toxicity, keep away from pets.

  • Ensure excellent drainage to prevent root rot.
  • Provide full sun exposure for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Protect from frost in colder climates.
  • Prune regularly to maintain shape and remove dead or damaged branches.
❄️ Winter: Reduce watering significantly during the winter months as the plant enters dormancy. Protect from frost if temperatures drop below freezing. Avoid fertilizing during this period.
☀️ Summer: Water more frequently during the hot summer months, ensuring the soil doesn't completely dry out. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support growth and flowering.

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

Morning Glory Tree

Common Issues: Root rot, spider mites, aphids, lack of flowering
Solutions: Ensure well-draining soil and avoid overwatering for root rot. Treat spider mites and aphids with insecticidal soap or neem oil. Provide sufficient sunlight to encourage flowering.

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

Morning Glory Tree

What are the light requirements for Morning Glory Tree?

The Morning Glory Tree requires bright, indirect light to thrive indoors. Direct sunlight can scorch the leaves, so it’s best to place it near an east- or west-facing window where it receives filtered light. If you don’t have access to sufficient natural light, consider using a grow light to supplement. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can lead to leggy growth and reduced flowering. A location that provides several hours of bright, indirect light each day is ideal. Observe the plant’s leaves; if they appear pale or stretched, it may need more light.

How do I care for Morning Glory Tree?

The Morning Glory Tree thrives with bright, indirect light; avoid direct sunlight to prevent leaf burn. Water thoroughly when the top inch of soil is dry, allowing excess water to drain. Use a well-draining potting mix to prevent root rot. Maintain a stable temperature between 65-80°F (18-27°C). Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune regularly to maintain shape and encourage branching. Repot every 2-3 years, increasing pot size gradually. Provide adequate humidity, especially during dry winter months. Monitor for pests like spider mites and mealybugs, and treat promptly. Ensure good air circulation to prevent fungal diseases. Avoid overwatering, which is a common cause of problems. The stable conditions are vital for the health of the plant.

How do I propagate Morning Glory Tree?

Morning Glory Tree can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop in a few weeks. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the plastic wrap with tape. Once roots appear through the moss, cut the stem below the roots and plant it in a pot. Both methods require patience and consistent care to be successful. Using a heat mat can accelerate rooting.

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