Empress Tree vs Flame of the Woods Plant Comparison

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

Empress Tree

Empress Tree

Paulownia tomentosa

VS
Flame of the Woods

Flame of the Woods

Ixora coccinea

Empress Tree

Empress Tree

Paulownia tomentosa

The Empress Tree is a fast-growing deciduous tree known for its large, heart-shaped leaves and fragrant, showy purple flowers that bloom in early spring before the leaves emerge. It is primarily an outdoor tree, reaching heights of 30-60 feet. People grow it for its ornamental value, providing shade and adding a striking visual element to landscapes. While it can be grown in containers, its rapid growth and large size make it challenging to maintain indoors long-term. It is considered invasive in some regions due to its prolific seed production and ability to colonize disturbed areas.

Paulowniaceae Central and Western China
✨ Features: Fast growth, large leaves, fragrant flowers
📖 Read Complete Empress Tree Guide
Flame of the Woods

Flame of the Woods

Ixora coccinea

Ixora coccinea, commonly known as Flame of the Woods, is a tropical evergreen shrub or small tree prized for its vibrant clusters of small, star-shaped flowers. The flowers typically come in shades of red, orange, yellow, or pink. It is a popular ornamental plant in warm climates, often used in hedges and foundation plantings. While it can be grown indoors, it requires very specific conditions and is more commonly cultivated outdoors. People grow it for its showy blooms and dense foliage, adding a splash of color to landscapes.

Rubiaceae India, Sri Lanka
✨ Features: Showy flowers, attracts butterflies and hummingbirds
📖 Read Complete Flame of the Woods Guide

Quick Plant Comparison

Feature Empress Tree Flame of the Woods
Light Full sun (at least 6 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to flower profusely.
Watering Every 1-2 weeks, depending on weather and soil drainage Every 2-5 days outdoors, potentially less frequently indoors depending on light and humidity.
Humidity 30-50% 50-70%
Temperature 15-27°C 21-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Difficult to maintain indoors. Outdoors: 9-18 meters (30-60 feet) Indoors: 0.6-1.2 meters (2-4 feet). Outdoors: 1.2-3 meters (4-10 feet).
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of loam, sand, and compost Well-draining, slightly acidic soil rich in organic matter. A mix of potting soil, peat moss, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (watering, pruning, monitoring for pests) 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Empress Tree

Scientific Name Paulownia tomentosa
Family Paulowniaceae
Native To Central and Western China
Also Known As Empress Tree, Princess Tree, Foxglove Tree
Leaves The leaves are very large, heart-shaped (cordate), and typically 15-40 cm (6-16 inches) wide. They are a medium green color and have a slightly fuzzy texture when young.
Flowers The Empress Tree produces large, showy panicles of fragrant, pale purple flowers in early spring, before the leaves emerge. Flowering is rare indoors.

Flame of the Woods

Scientific Name Ixora coccinea
Family Rubiaceae
Native To India, Sri Lanka
Also Known As Flame of the Woods, Jungle Flame, Jungle Geranium, Scarlet Ixora
Leaves The leaves of Ixora coccinea are opposite, simple, and oblong-lanceolate in shape. They are typically 5-10 cm long and 2-4 cm wide. The leaves are glossy green and have a leathery texture.
Flowers Ixora coccinea rarely flowers indoors unless provided with very specific conditions. Outdoors, it produces clusters of small, star-shaped flowers in shades of red, orange, yellow, or pink. The flowers are fragrant and attract pollinators.

📏 Size & Growth — Plant Comparison

Empress Tree

Height Difficult to maintain indoors. Outdoors: 9-18 meters (30-60 feet)
Spread Outdoors: 6-12 meters (20-40 feet)
Growth Rate Fast
Growth Pattern Upright, spreading tree with a rounded crown. It grows rapidly, adding several feet of height each year, especially when young.

Flame of the Woods

Height Indoors: 0.6-1.2 meters (2-4 feet). Outdoors: 1.2-3 meters (4-10 feet).
Spread Indoors: 0.6-1 meter (2-3 feet). Outdoors: 1-2 meters (3-6 feet).
Growth Rate Moderate
Growth Pattern Ixora coccinea grows as a dense, multi-stemmed shrub or small tree. It has an upright growth habit and can be pruned to maintain a desired shape and size. It does not spread aggressively.

🌱 Propagation — Comparing Plant Growth

Empress Tree

Methods: Seeds, root cuttings

Difficulty: Moderate

Tips: For seeds, stratify them in the refrigerator for a few weeks before sowing. Root cuttings should be taken in late winter or early spring.

Flame of the Woods

Methods: Stem cuttings, Air layering, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in spring or summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cuttings moist and in a warm, humid environment.

✨ Benefits & Features — Comparing Plant Value

Empress Tree

The Empress Tree is distinguished by its exceptionally large leaves and early spring blooms, which appear before the leaves emerge. Its rapid growth rate also sets it apart from many other ornamental trees.

  • ✓ Provides shade in the summer
  • ✓ Offers beautiful spring blooms
  • ✓ Attracts pollinators to the garden
  • ✓ Adds a unique architectural element to the landscape
  • ✓ Fast growth provides quick results.
  • ⚠️ Toxic to pets

Flame of the Woods

Ixora coccinea is known for its vibrant, long-lasting flower clusters that come in a variety of colors. Its dense foliage and compact growth habit make it a popular choice for hedges and foundation plantings. It is also a favorite among butterfly and hummingbird enthusiasts.

  • ✓ Adds vibrant color to the landscape.
  • ✓ Attracts pollinators like butterflies and hummingbirds.
  • ✓ Provides a tropical aesthetic.
  • ✓ Can be used as a hedge or screen.
  • ✓ Offers a sense of accomplishment for experienced gardeners.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Empress Tree

Repotting Not recommended for indoor growing due to rapid growth. Outdoor trees do not need repotting.
Pruning Prune in late winter or early spring to remove dead or damaged branches and to shape the tree.
Fertilizing Balanced fertilizer (10-10-10) in early spring, following package instructions. Avoid over-fertilizing.
Seasonal Care In spring, fertilize and prune. In summer, water regularly. In fall, collect seeds if desired. In winter, protect young trees from frost.

Flame of the Woods

Repotting Repot every 2-3 years in spring, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Remove any dead or damaged branches.
Fertilizing Use a balanced, slow-release fertilizer every 2-3 months during the growing season (spring and summer). Alternatively, use a liquid fertilizer diluted to half strength every 2 weeks.
Seasonal Care During the growing season (spring and summer), water more frequently and fertilize regularly. In the fall and winter, reduce watering and stop fertilizing. Protect from frost.

🌞 Light Requirements

Empress Tree

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

Low light tolerant: ❌ No

Flame of the Woods

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to flower profusely.

Low light tolerant: ❌ No

💧 Watering Needs

Empress Tree

Water deeply when the top few inches of soil are dry, especially during the growing season. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. Reduce watering in the winter when the tree is dormant. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

Flame of the Woods

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and wilting, even when the soil is moist. Underwatering is indicated by drooping leaves and dry, crispy edges.

🌡️ Temperature & Humidity

Empress Tree

Temperature: 15-27°C

Humidity: 30-50%

Flame of the Woods

Temperature: 21-27°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Empress Tree

Empress Tree

Paulownia tomentosa
Care: Expert Time: 30 minutes weekly (watering, pruning, monitoring for pests) Beginner: No

Gardeners with large outdoor spaces who appreciate fast-growing shade trees with showy flowers.

✅ Choose This Plant If...

  • You want a fast-growing shade tree
  • You appreciate fragrant, showy purple flowers in early spring
  • You have a large outdoor space to accommodate its size
  • You want a tree that attracts pollinators
  • You are willing to manage its potential for invasive spread.

❌ Skip This Plant If...

  • You have a small garden or limited space
  • You are looking for an easy-to-care-for indoor plant
  • You live in an area where it is considered invasive
📍 Ideal Location: Outdoor garden or landscape with full sun and well-draining soil
🎨 Style: Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Paulownia tomentosa is toxic to horses. The toxic principle is unknown. Symptoms include gastrointestinal upset.
Flame of the Woods

Flame of the Woods

Ixora coccinea
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want a vibrant flowering shrub for their landscape.

✅ Choose This Plant If...

  • You live in a warm, humid climate with plenty of sunshine.
  • You want to attract butterflies and hummingbirds to your garden.
  • You are an experienced gardener looking for a rewarding challenge.
  • You appreciate vibrant, long-lasting blooms.
  • You have a greenhouse or sunroom where you can provide the necessary light and humidity.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You don't have the time to provide the high level of care required.
  • You don't have a bright, sunny location.
📍 Ideal Location: Outdoors in a sunny garden or patio in warm climates. Indoors, a sunroom or greenhouse with bright, direct sunlight.
🎨 Style: Tropical, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Ixora species are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and loss of appetite. All parts of the plant are considered toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Empress Tree has fast growth, while Flame of the Woods grows moderate.

💡 Pro Tips For Comparing These Plants

Empress Tree Care Tips

The Empress Tree is primarily an outdoor tree that requires full sun and well-draining soil. Growing it indoors is extremely challenging due to its size and light requirements. It is best suited for outdoor landscapes where it has ample space to grow. Requires regular pruning to maintain shape and control size.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Prune regularly to maintain shape and control size.
  • Fertilize in early spring with a balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Reduce watering during dormancy.
☀️ Summer: Water regularly during hot, dry periods. Monitor for pests and diseases. Provide shade during extreme heat if possible.

Flame of the Woods Care Tips

Ixora coccinea is challenging to grow indoors due to its high light and humidity requirements. It needs bright, direct sunlight and consistently moist, well-draining soil. Maintaining adequate humidity is crucial. Regular fertilization is also necessary to promote flowering. It is best suited for outdoor cultivation in warm climates.

  • Provide at least 6 hours of direct sunlight daily.
  • Maintain high humidity levels by misting regularly or using a humidifier.
  • Water thoroughly when the top inch of soil feels dry, but avoid overwatering.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Prune after flowering to maintain shape and encourage bushier growth.
❄️ Winter: Reduce watering frequency during the winter months. Protect from frost by bringing indoors or covering with a frost blanket. Do not fertilize during the winter.
☀️ Summer: Water more frequently during the summer months, especially during hot and dry periods. Fertilize regularly to promote flowering. Provide some afternoon shade in extremely hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Empress Tree

Common Issues: Root rot, leaf spot, powdery mildew, invasive spread
Solutions: Ensure well-draining soil and avoid overwatering to prevent root rot. Use a fungicide for leaf spot and powdery mildew. Control invasive spread by removing seedlings and preventing seed production.

Flame of the Woods

Common Issues: Spider mites, Aphids, Scale, Iron deficiency (chlorosis)
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with a strong stream of water or use insecticidal soap. Scale: Scrape off manually or use horticultural oil. Iron deficiency: Use a chelated iron supplement.

❓ Frequently Asked Questions — Comparing These Plants

Empress Tree

What are the light requirements for Empress Tree?

Empress Trees need bright, indirect light to thrive indoors. Insufficient light will result in leggy growth and smaller leaves. An east-facing window is ideal, providing gentle morning sun. A south-facing window can also work, but shield the plant from intense midday sun with a sheer curtain. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is insufficient, supplement with a grow light. Place the grow light 12-18 inches away from the plant. Observe the plant’s response to the light and adjust accordingly. A lack of light causes stunted growth and pale foliage.

How do I care for Empress Tree?

Empress Tree requires bright, indirect light; too much direct sun can scorch the leaves. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. A well-draining potting mix is crucial. Maintain a temperature between 65-75°F (18-24°C). Humidity levels should be moderate to high; consider using a humidifier or pebble tray. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth; remove any dead or yellowing leaves. Repot annually in spring, increasing pot size as needed. Monitor for pests like spider mites and aphids, and treat promptly with insecticidal soap. Providing stable conditions are key to health and growth.

How do I propagate Empress Tree?

Empress Tree can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem in spring. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to increase humidity. Roots should develop in 4-6 weeks. For air layering, make a shallow cut on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop in several weeks. Once roots are visible, cut the stem below the roots and plant it in a pot. Ensure stable conditions during propagation.

Flame of the Woods

What are the light requirements for Flame of the Woods?

Flame of the Woods requires bright, indirect light to thrive and produce abundant blooms. Insufficient light can result in leggy growth and a lack of flowering. A location near an east-facing or west-facing window is ideal, providing ample light without the harshness of direct sunlight. If placed near a south-facing window, use sheer curtains to filter the light. Rotate the plant regularly to ensure even light exposure on all sides. During the winter months, when light levels are lower, consider supplementing with a grow light to maintain adequate illumination. Avoid placing the plant in deep shade, as this will significantly hinder its growth and flowering potential. The plant’s leaves should be a healthy green color; pale or yellowing leaves may indicate insufficient light.

How do I care for Flame of the Woods?

Flame of the Woods thrives with bright, indirect light; direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain high humidity levels by misting regularly or using a humidifier, especially in drier climates. Fertilize every 2-3 weeks during the growing season (spring and summer) with a balanced, water-soluble fertilizer formulated for flowering plants. Reduce fertilizing in fall and winter. Prune after flowering to maintain shape and encourage bushier growth. Repot every 1-2 years in spring, using a well-draining potting mix. Keep the plant in temperatures between 65-80°F (18-27°C). Avoid exposing it to temperatures below 60°F (15°C). Check regularly for pests like spider mites and mealybugs, and treat promptly if found. Ensure good air circulation to prevent fungal diseases. Provide a slightly acidic soil pH for optimal growth.

How do I propagate Flame of the Woods?

Flame of the Woods can be propagated through 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 in a well-draining potting mix. Keep the soil moist and provide high humidity by covering the cutting with a plastic bag or dome. Place in bright, indirect light. Roots should develop in 4-6 weeks. Division is possible, but less common. Keiki propagation is not applicable to this species. Ensure the parent plant is healthy before taking cuttings. Maintain a warm environment for successful rooting.

Last updated: April 21, 2026 — Plant care data reviewed and verified by our editorial team.