Paper Bush vs Rex Begonia Plant Comparison

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

Paper Bush

Paper Bush

Edgeworthia chrysantha

VS
Rex Begonia

Rex Begonia

Begonia rex

Paper Bush

Paper Bush

Edgeworthia chrysantha

Edgeworthia chrysantha, commonly known as Paper Bush, is a deciduous shrub prized for its unique papery bark and fragrant, bright yellow flowers that bloom in late winter to early spring. It typically grows to a height and spread of 4 to 8 feet. The plant gets its name from the fact that its bark is traditionally used in papermaking. It is primarily an outdoor plant, grown for its ornamental value in gardens and landscapes, adding winter interest with its bare branches and then early spring color and fragrance.

Thymelaeaceae China, Nepal
✨ Features: Fragrant winter flowers, unique papery bark used in papermaking.
📖 Read Complete Paper Bush Guide
Rex Begonia

Rex Begonia

Begonia rex

Rex Begonias are prized for their spectacularly colored and textured leaves, rather than their flowers. They are rhizomatous perennials, meaning they grow from thick, modified stems that creep along the soil surface. These plants are primarily grown as ornamentals for their foliage, which exhibits a wide range of colors, patterns, and textures. While they can be grown indoors, they require specific conditions to thrive and are not always the easiest houseplants. They are popular for adding a vibrant splash of color to shaded gardens or as container plants.

Begoniaceae Assam region of India
✨ Features: Striking foliage with a wide range of colors, patterns, and textures.
📖 Read Complete Rex Begonia Guide

Quick Plant Comparison

Feature Paper Bush Rex Begonia
Light Full sun to partial shade. Requires at least 4-6 hours of direct sunlight for optimal flowering. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 7-10 days during the growing season, less frequently in winter. Every 7-10 days, depending on environmental conditions.
Humidity 30-50% 50-60%
Temperature 7-24°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 2-2.5 meters (outdoor) 30-45 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil. A mix of loam, sand, and compost is ideal. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes monthly 10-15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Paper Bush

Scientific Name Edgeworthia chrysantha
Family Thymelaeaceae
Native To China, Nepal
Also Known As Paper Bush, Mitsumata
Leaves The leaves of Edgeworthia chrysantha are alternate, simple, and oblong to lance-shaped. They are typically 10-20 cm long and 3-6 cm wide. The leaves are a medium green color and have a smooth texture. They turn yellow in the fall before dropping.
Flowers Edgeworthia chrysantha produces clusters of small, bright yellow, tubular flowers at the ends of the branches in late winter to early spring. The flowers are highly fragrant and have a sweet, spicy scent. Flowering indoors is extremely rare and unlikely.

Rex Begonia

Scientific Name Begonia rex
Family Begoniaceae
Native To Assam region of India
Also Known As Rex Begonia, Painted-Leaf Begonia, Fancy-Leaf Begonia
Leaves The leaves of Rex Begonias are large, often asymmetrical, and come in a wide range of colors, including shades of green, red, pink, purple, silver, and brown. They can be smooth, textured, or ruffled, and often feature intricate patterns and variegation. Leaf size can vary depending on the cultivar, but they typically range from 10-20 cm in length.
Flowers Rex Begonias do produce flowers, but they are relatively insignificant compared to the foliage. The flowers are typically small, pink or white, and are often removed to encourage more vigorous leaf growth. Flowering is rare indoors.

📏 Size & Growth — Plant Comparison

Paper Bush

Height 2-2.5 meters (outdoor)
Spread 1.2-2.5 meters (outdoor)
Growth Rate Moderate
Growth Pattern Edgeworthia chrysantha is a deciduous shrub with an upright, rounded growth habit. It typically forms a multi-stemmed plant, with branches that are somewhat brittle.

Rex Begonia

Height 30-45 cm
Spread 30-60 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Rex Begonias grow from rhizomes, which are thick, modified stems that creep along the soil surface. New leaves emerge from the rhizomes, creating a bushy, spreading plant. They do not typically climb or trail.

🌱 Propagation — Comparing Plant Growth

Paper Bush

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in late spring or early summer. Use rooting hormone and keep the cuttings in a humid environment. Seeds can be sown in the fall after stratification.

Rex Begonia

Methods: Leaf cuttings, Rhizome cuttings, Division

Difficulty: Moderate

Tips: For leaf cuttings, make small slits in the veins on the underside of the leaf and place it on moist potting mix, weighing it down slightly. For rhizome cuttings, cut a section of rhizome with a leaf attached and plant it in moist potting mix. Division involves separating the rhizome into smaller sections, each with roots and leaves.

✨ Benefits & Features — Comparing Plant Value

Paper Bush

The most unique characteristic of Edgeworthia chrysantha is its bark, which is used to make high-quality paper. It also features fragrant, bright yellow flowers that bloom in late winter, providing early color and fragrance to the garden.

  • ✓ Provides early spring blooms and fragrance
  • ✓ Offers unique bark texture for winter interest
  • ✓ Attracts pollinators
  • ✓ Used in traditional papermaking
  • ✓ Adds visual appeal to the garden
  • ⚠️ Toxic to pets

Rex Begonia

Rex Begonias are known for their incredibly diverse and colorful foliage. No two leaves are exactly alike, and the variations in color, texture, and pattern are truly remarkable. Their rhizomatous growth habit also sets them apart from many other houseplants.

  • ✓ Adds vibrant color and visual interest to indoor spaces.
  • ✓ Relatively easy to propagate, allowing you to expand your collection.
  • ✓ Can help improve indoor humidity levels (though it needs high humidity itself).
  • ✓ Offers a wide variety of leaf patterns and colors to choose from.
  • ✓ Provides a sense of accomplishment when successfully grown.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Paper Bush

Repotting Not applicable for outdoor plants. Container-grown plants (not recommended) may need repotting every 2-3 years.
Pruning Prune lightly after flowering to maintain shape and remove any dead or damaged branches.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing.
Seasonal Care In winter, provide protection from harsh winds and heavy snow. Reduce watering. In summer, ensure adequate moisture and partial shade in hot climates. Provide a cold period (near freezing) for several weeks to encourage flowering.

Rex Begonia

Repotting Repot every 1-2 years in the spring, or when the plant becomes root-bound. Choose a pot that is slightly larger than the previous one.
Pruning Remove any dead or damaged leaves to encourage new growth. Pinch back stems to promote bushier growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Maintain humidity levels year-round. Provide supplemental light if needed during darker months.

🌞 Light Requirements

Paper Bush

Full sun to partial shade. Requires at least 4-6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Rex Begonia

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

Low light tolerant: ❌ No

💧 Watering Needs

Paper Bush

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During the growing season (spring and summer), water more frequently. Reduce watering in the fall and winter when the plant is dormant. Yellowing leaves can indicate overwatering, while wilting leaves suggest underwatering.

Rex Begonia

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow excess water to drain away. Reduce watering in winter. Signs of overwatering include yellowing leaves and mushy stems. Underwatering can cause leaves to become crispy and brown.

🌡️ Temperature & Humidity

Paper Bush

Temperature: 7-24°C

Humidity: 30-50%

Rex Begonia

Temperature: 18-24°C

Humidity: 50-60%

🤔 Which Plant Is Right For You?

Paper Bush

Paper Bush

Edgeworthia chrysantha
Care: Expert Time: 30 minutes monthly Beginner: No

Experienced gardeners in temperate climates who want a fragrant, winter-blooming shrub.

✅ Choose This Plant If...

  • You want a shrub that blooms in late winter/early spring, providing early color and fragrance.
  • You appreciate unique bark textures and want a plant with ornamental interest even in winter.
  • You live in a temperate climate with well-draining soil and adequate sunlight.
  • You are an experienced gardener looking for a slightly challenging but rewarding plant.
  • You are interested in the history of papermaking and want to grow a plant used for this purpose.

❌ Skip This Plant If...

  • You live in a very cold climate with harsh winters.
  • You are a beginner gardener.
  • You have pets that might ingest the plant.
  • You want an easy-to-grow indoor plant.
📍 Ideal Location: Outdoor garden or landscape with well-draining soil and partial to full sun.
🎨 Style: Asian, Naturalistic, Cottage
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Edgeworthia chrysantha as toxic to dogs, cats, and horses. Symptoms of ingestion can include vomiting, diarrhea, and dermatitis. All parts of the plant are considered toxic.
Rex Begonia

Rex Begonia

Begonia rex
Care: Moderate Time: 10-15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who appreciate colorful foliage and are willing to provide specific care conditions.

✅ Choose This Plant If...

  • You love plants with unique and colorful foliage.
  • You are willing to provide high humidity and bright, indirect light.
  • You enjoy the challenge of caring for slightly more demanding plants.
  • You want to add a vibrant focal point to your indoor plant collection.
  • You are looking for a plant that can be propagated easily through leaf or rhizome cuttings.

❌ Skip This Plant If...

  • You tend to overwater your plants.
  • You have pets that might ingest the plant.
  • You struggle to maintain high humidity levels in your home.
📍 Ideal Location: Bright bathroom, east-facing windowsill, or near a humidifier.
🎨 Style: Bohemian, Eclectic, Tropical
🏠 Apartment Friendly: Yes
⚠️ Toxic to dogs, cats, and horses. Contains insoluble calcium oxalates. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing. All parts of the plant are toxic, but the roots are especially concentrated with the oxalates.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Paper Bush is rated Expert care level, while Rex Begonia is Moderate.

💡 Pro Tips For Comparing These Plants

Paper Bush Care Tips

Edgeworthia chrysantha is primarily an outdoor plant and is challenging to grow indoors. It requires specific light, temperature, and humidity conditions that are difficult to replicate indoors. It needs a cold period to initiate flowering. Indoor growth is unlikely to be successful long-term.

  • Provide a sheltered location to protect from harsh winds.
  • Ensure well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize in early spring with a balanced fertilizer.
  • Prune lightly after flowering to maintain shape.
❄️ Winter: Protect from harsh winds and heavy snow. Reduce watering significantly. Provide a cold period (near freezing) for several weeks to encourage flowering the following spring.
☀️ Summer: Ensure adequate moisture, especially during dry periods. Provide partial shade in hot climates to prevent leaf scorch. Monitor for pests and diseases.

Rex Begonia Care Tips

Rex Begonias require bright, indirect light, consistent moisture, and high humidity. They are susceptible to root rot if overwatered. Maintaining adequate humidity can be challenging indoors, often requiring a humidifier or pebble tray. They are not the easiest houseplants but are rewarding for those who can provide the right conditions.

  • Use a well-draining potting mix to prevent root rot.
  • Maintain high humidity by using a humidifier or placing the plant on a pebble tray.
  • Avoid getting water on the leaves, as this can lead to fungal diseases.
  • Rotate the plant regularly to ensure even growth.
  • Fertilize sparingly during the growing season.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Maintain humidity levels if possible, as indoor heating can dry out the air. Provide supplemental light if needed.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect the plant from direct sunlight to prevent leaf scorch. Increase humidity if necessary. Fertilize regularly during the growing season.

⚠️ Common Problems & Solutions — Plant Care Comparison

Paper Bush

Common Issues: Leaf spot, Root rot, Aphids, Lack of flowering
Solutions: Leaf spot: Treat with a fungicide. Root rot: Improve drainage and reduce watering. Aphids: Spray with insecticidal soap. Lack of flowering: Ensure adequate sunlight and a cold period in winter.

Rex Begonia

Common Issues: Root rot, Powdery mildew, Mealybugs, Leaf scorch
Solutions: Root rot: Improve drainage and reduce watering frequency. Powdery mildew: Improve air circulation and treat with a fungicide. Mealybugs: Wipe away with a cotton swab dipped in rubbing alcohol or use insecticidal soap. Leaf scorch: Move the plant to a location with less direct sunlight.

❓ Frequently Asked Questions — Comparing These Plants

Paper Bush

What are the light requirements for Paper Bush?

Paper Bush thrives in bright, indirect light. Direct sunlight, especially during the hottest hours of the day, can scorch the leaves. A location near an east-facing window is ideal, providing gentle morning light. West-facing windows can also work, but be sure to provide some shade during the afternoon. If growing indoors, rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Paper Bush?

Paper Bush requires well-draining soil that is slightly acidic. Water thoroughly when the top inch of soil feels dry to the touch, but avoid overwatering, which can lead to root rot. Provide bright, indirect light for optimal growth and flowering; avoid intense, direct sunlight, especially during the hottest part of the day. Fertilize in early spring with a balanced fertilizer to encourage healthy growth and abundant blooms.

How do I propagate Paper Bush?

Paper Bush can be propagated through stem cuttings or division.

Rex Begonia

What are the light requirements for Rex Begonia?

Rex Begonias thrive in bright, indirect light. Direct sunlight can scorch their delicate leaves, causing unsightly burns and hindering growth. An east-facing window is often ideal, providing gentle morning light. West or south-facing windows can work if the plant is positioned further away from the window or shielded by a sheer curtain. Insufficient light will result in dull colors and leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. Artificial light, such as fluorescent or LED grow lights, can supplement natural light, especially during winter months or in dimly lit spaces. The intensity and duration of artificial light should mimic natural daylight patterns.

How do I care for Rex Begonia?

Rex Begonias require bright, indirect light to thrive. Avoid direct sunlight, which can scorch their delicate leaves. Water when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Maintain high humidity levels, ideally between 60-70%, using a humidifier, pebble tray, or grouping plants together. Fertilize monthly during the growing season (spring and summer) with a balanced, water-soluble fertilizer diluted to half strength, specifically formulated for flowering plants, to encourage blooming. Repot only when necessary, typically every 1-2 years, into a well-draining potting mix. Prune any dead or damaged leaves to maintain the plant’s health and appearance. Keep temperatures consistently between 65-75°F (18-24°C). Be vigilant for pests like mealybugs and spider mites, and treat promptly if detected.

How do I propagate Rex Begonia?

Rex Begonias can be propagated through several methods. Leaf cuttings involve cutting a leaf into wedges, placing them on moist soil, and covering them with a humidity dome. Stem cuttings can be taken from healthy stems and rooted in water or directly in soil. Division involves separating the rhizome into sections, each with roots and leaves, and planting them in individual pots. Keiki paste can be applied to nodes to encourage new plantlets. Regardless of the method, maintain high humidity and provide bright, indirect light. Rooting hormone can improve success rates. Propagation is best done during the spring or summer months. Once roots have developed, gradually acclimate the new plants to regular growing conditions.

Last updated: May 15, 2026 — Plant care data reviewed and verified by our editorial team.