Donkey Tail vs Rex Begonia Plant Comparison

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

Donkey Tail

Donkey Tail

Sedum morganianum

VS
Rex Begonia

Rex Begonia

Begonia rex

Donkey Tail

Donkey Tail

Sedum morganianum

Sedum morganianum, commonly known as Donkey's Tail or Burro's Tail, is a succulent plant characterized by its trailing stems densely covered with fleshy, blue-green leaves. These leaves are cylindrical and overlap, resembling a donkey's tail. It is primarily grown for its unique and attractive foliage. While it can be grown indoors, it thrives in bright, sunny locations and is often used in hanging baskets or containers where its trailing stems can cascade. People grow it for its low-maintenance nature and distinctive appearance.

Crassulaceae Southern Mexico, Honduras
✨ Features: Unique trailing foliage
📖 Read Complete Donkey Tail 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 Donkey Tail Rex Begonia
Light Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight daily for optimal growth. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 2-4 weeks, depending on environmental conditions Every 7-10 days, depending on environmental conditions.
Humidity 30-50% 50-60%
Temperature 18-24°C 18-24°C
Care Level Easy Moderate
Growth Rate Slow Moderate
Max Height 20-60 cm (indoors) 30-45 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ✅ Yes With Caution
Weekly Maintenance 5 minutes weekly 10-15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Donkey Tail

Scientific Name Sedum morganianum
Family Crassulaceae
Native To Southern Mexico, Honduras
Also Known As Donkey's Tail, Burro's Tail
Leaves The leaves are fleshy, cylindrical, and blue-green in color. They are approximately 1-2 cm long and densely packed along the stems, overlapping each other. The leaves have a powdery coating, giving them a slightly frosted appearance.
Flowers Rarely flowers indoors. When it does, it produces small, star-shaped pink or red flowers at the tips of the stems.

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

Donkey Tail

Height 20-60 cm (indoors)
Spread 30-90 cm
Growth Rate Slow
Growth Pattern Trailing succulent with stems that can reach up to 60cm long indoors. The stems cascade downwards, making it ideal for hanging baskets or displaying on shelves.

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

Donkey Tail

Methods: Leaf cuttings, Stem cuttings

Difficulty: Easy

Tips: Allow leaf or stem cuttings to callous over for a few days before placing them on well-draining soil. Mist lightly and keep in a bright location until roots develop.

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

Donkey Tail

The most unique characteristic is its trailing stems densely packed with tear-drop shaped leaves. The leaves are fragile and easily detach, making propagation easy. Its drought tolerance also sets it apart.

  • ✓ Adds unique texture and visual interest to any space.
  • ✓ Easy to propagate and share with friends.
  • ✓ Drought-tolerant and low-maintenance.
  • ✓ Can improve indoor air quality by absorbing small amounts of CO2.
  • ✓ Provides a calming and natural element to your home.
  • ⚠️ 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

Donkey Tail

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to remove dead or damaged stems and to maintain desired shape.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in the spring and once in the summer.
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round.

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

Donkey Tail

Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight daily for optimal growth.

Low light tolerant: ❌ No

Rex Begonia

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

Low light tolerant: ❌ No

💧 Watering Needs

Donkey Tail

Allow the soil to dry out completely between waterings. Water thoroughly when the soil is dry to the touch. Avoid overwatering, as this can lead to root rot. During the winter months, reduce watering frequency significantly. Signs of overwatering include mushy leaves and stem rot; underwatering is indicated by shriveled, wrinkled leaves.

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

Donkey Tail

Temperature: 18-24°C

Humidity: 30-50%

Rex Begonia

Temperature: 18-24°C

Humidity: 50-60%

🤔 Which Plant Is Right For You?

Donkey Tail

Donkey Tail

Sedum morganianum
Care: Easy Time: 5 minutes weekly Beginner: Yes

Someone looking for a low-maintenance, visually appealing succulent for a sunny location.

✅ Choose This Plant If...

  • You want a low-maintenance plant that doesn't need much attention.
  • You love the unique, trailing appearance of the foliage.
  • You have a bright, sunny spot where the plant can thrive.
  • You want to propagate new plants easily from fallen leaves.
  • You are looking for a drought-tolerant plant.

❌ Skip This Plant If...

  • You have pets that might ingest the plant, as it is toxic to them.
  • You tend to overwater plants.
  • You don't have a location with sufficient sunlight.
📍 Ideal Location: South-facing window, hanging basket, or elevated shelf.
🎨 Style: Bohemian, Desert, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Sedum species are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. The toxic principle is unknown.
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 Donkey Tail
Pet Friendly Neither - caution
Less Maintenance Donkey Tail
Apartment Friendly Both work!

⚡ Key Differences Between These Plants

🎯

Donkey Tail is rated Easy care level, while Rex Begonia is Moderate.

📈

Donkey Tail has slow growth, while Rex Begonia grows moderate.

💡 Pro Tips For Comparing These Plants

Donkey Tail Care Tips

Donkey's Tail is a relatively easy-to-care-for succulent. It requires bright light, well-draining soil, and infrequent watering. Overwatering is the most common problem. Handle with care as the leaves fall off easily.

  • Avoid touching the leaves excessively to prevent them from falling off.
  • Use a well-draining pot with drainage holes to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out completely between waterings.
  • Provide plenty of bright, indirect light to maintain the plant's vibrant color and compact growth.
  • Fertilize sparingly, only during the growing season (spring and summer).
❄️ Winter: Reduce watering significantly during the winter months, as the plant's growth slows down. Ensure the plant still receives adequate light. Avoid exposing the plant to freezing temperatures.
☀️ Summer: Provide adequate ventilation to prevent overheating. Water more frequently during the summer months, but still allow the soil to dry out completely between waterings. Protect from intense afternoon sun to prevent sunburn.

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

Donkey Tail

Common Issues: Overwatering, Leaf drop, Mealybugs
Solutions: Allow soil to dry completely between waterings; Ensure adequate drainage; Isolate affected plant and treat with insecticidal soap or neem oil.

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

Donkey Tail

What are the light requirements for Donkey Tail?

Donkey Tail needs bright, indirect sunlight to thrive. Aim for at least six hours of sunlight per day. An east- or west-facing window is ideal, providing ample light without the intensity of direct midday sun. Insufficient light can lead to etiolation, where the stems become stretched and the leaves become sparse.

How do I care for Donkey Tail?

Donkey Tail thrives in bright, indirect sunlight. Provide at least six hours of sunlight daily, avoiding intense afternoon sun which can scorch the leaves. Water thoroughly when the soil is completely dry, typically every 2-4 weeks, depending on environmental conditions. Use well-draining succulent mix to prevent root rot.

How do I propagate Donkey Tail?

Donkey Tail is easily propagated from leaf or stem cuttings. For leaf propagation, gently detach a healthy leaf and allow it to callous over for a few days. Place the calloused end on top of well-draining succulent mix and mist lightly. Roots will develop in a few weeks. For stem cuttings, cut a section of stem 2-3 inches long and allow it to callous over. Plant the calloused end in well-draining succulent mix and water sparingly.

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