Donkey Tail vs Four O'Clock 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
Four O'Clock

Four O'Clock

Mirabilis jalapa

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
Four O'Clock

Four O'Clock

Mirabilis jalapa

Mirabilis jalapa, commonly known as the Four O'Clock flower, is a bushy, herbaceous perennial typically grown as an annual in cooler climates. It's known for its trumpet-shaped flowers that open in the late afternoon or early evening, releasing a sweet fragrance. The flowers come in a variety of colors, including pink, red, yellow, white, and multicolored variations. It grows from tuberous roots and can reach a height of 1-3 feet. It is primarily grown outdoors in gardens and borders for its vibrant colors and evening fragrance. It is not ideally suited as an indoor plant.

Nyctaginaceae Tropical South America
✨ Features: Flowers open in the late afternoon or early evening and emit a sweet fragrance; flowers come in a variety of colors and can even be multicolored on the same plant.
📖 Read Complete Four O'Clock Guide

Quick Plant Comparison

Feature Donkey Tail Four O'Clock
Light Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight daily for optimal growth. Full sun to partial shade
Watering Every 2-4 weeks, depending on environmental conditions Every 3-7 days depending on weather and soil drainage
Humidity 30-50% 40-60%
Temperature 18-24°C 18-27°C
Care Level Easy Expert
Growth Rate Slow Fast
Max Height 20-60 cm (indoors) 0.3-1 meter (indoors unlikely to reach this height)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining soil, such as a mix of garden soil, sand, and compost
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 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.

Four O'Clock

Scientific Name Mirabilis jalapa
Family Nyctaginaceae
Native To Tropical South America
Also Known As Four O'Clock Flower, Marvel of Peru, Beauty-of-the-Night
Leaves The leaves are ovate to lance-shaped, typically 2-4 inches long, and have a smooth texture. They are usually medium green in color and arranged oppositely along the stems.
Flowers Flowers are trumpet-shaped, about 1-2 inches long, and come in a variety of colors including pink, red, yellow, white, and multicolored. They open in the late afternoon or early evening and emit a sweet fragrance. Flowering indoors is rare and unlikely.

📏 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.

Four O'Clock

Height 0.3-1 meter (indoors unlikely to reach this height)
Spread 0.3-0.6 meters (can spread via tuberous roots)
Growth Rate Fast
Growth Pattern Bushy and upright, typically reaching 1-3 feet in height and spread. It grows from tuberous roots, which allow it to regrow each year in warmer climates.

🌱 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.

Four O'Clock

Methods: Seed, Tuber division

Difficulty: Easy

Tips: Sow seeds directly in the garden after the last frost or start them indoors 6-8 weeks before. Divide tubers in early spring.

✨ 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

Four O'Clock

The flowers open in the late afternoon or early evening, hence the name 'Four O'Clock'. They are known for their sweet fragrance and the ability to produce multiple colors on the same plant, sometimes even on the same flower.

  • ✓ Adds vibrant color to the garden
  • ✓ Provides a sweet evening fragrance
  • ✓ Attracts pollinators
  • ✓ Relatively low-maintenance once established
  • ✓ Can self-seed and naturalize in suitable climates
  • ⚠️ 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.

Four O'Clock

Repotting Not typically grown indoors. If grown in containers, repot annually in the spring, especially if root-bound.
Pruning Deadhead spent flowers to encourage more blooms. Prune back stems in late fall to prepare for winter dormancy.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season
Seasonal Care In colder climates, treat as an annual or dig up tubers in the fall and store them in a cool, dry place for replanting in the spring. Reduce watering in the winter.

🌞 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

Four O'Clock

Full sun to partial shade

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.

Four O'Clock

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During hot summer months, more frequent watering may be necessary. Reduce watering in cooler months.

🌡️ Temperature & Humidity

Donkey Tail

Temperature: 18-24°C

Humidity: 30-50%

Four O'Clock

Temperature: 18-27°C

Humidity: 40-60%

🤔 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.
Four O'Clock

Four O'Clock

Mirabilis jalapa
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for a fragrant, colorful addition to their evening garden.

✅ Choose This Plant If...

  • You want a fragrant evening garden
  • You enjoy vibrant, multicolored flowers
  • You want a plant that attracts pollinators like moths and hummingbirds
  • You are looking for a low-maintenance outdoor plant once established
  • You want a plant that can self-seed and return year after year.

❌ Skip This Plant If...

  • You have pets that may ingest the plant
  • You lack a sunny outdoor space
  • You want a plant that thrives indoors.
📍 Ideal Location: Outdoor garden, sunny border, or patio container
🎨 Style: Cottage, Bohemian, Traditional
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds and roots, are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and abdominal pain. According to the ASPCA, it contains asparagine.

🎯 Quick Verdict

Best for Beginners Donkey Tail
Pet Friendly Neither - caution
Less Maintenance Donkey Tail
Apartment Friendly Donkey Tail

⚡ Key Differences Between These Plants

🎯

Donkey Tail is rated Easy care level, while Four O'Clock is Expert.

📈

Donkey Tail has slow growth, while Four O'Clock grows fast.

💡 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.

Four O'Clock Care Tips

Four O'Clocks are primarily outdoor plants and require full sun to thrive. Growing them indoors is challenging due to their high light requirements and potential for pest infestations. They also spread via tuberous roots, which can quickly outgrow a container. Indoor flowering is unlikely.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for best flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Protect from strong winds, which can damage the delicate stems.
  • Monitor for pests like aphids and treat promptly.
❄️ Winter: In colder climates, dig up the tubers and store them in a cool, dry place over the winter. Alternatively, treat as an annual and replant in the spring.
☀️ Summer: Provide consistent moisture during the hot summer months. Deadhead spent flowers to encourage more blooms. Monitor for pests and diseases.

⚠️ 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.

Four O'Clock

Common Issues: Powdery mildew, Aphids, Root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering.

❓ 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.

Four O'Clock

What are the light requirements for Four O'Clock?

Four O’Clocks thrive in full sun, needing at least 6 hours of direct sunlight daily to produce abundant blooms. A sunny location encourages strong growth and vibrant flower colors. While they can tolerate partial shade, reduced sunlight will result in fewer flowers and leggier growth.

How do I care for Four O'Clock?

Four O’Clocks are relatively easy to care for. Plant them in well-draining soil in a location that receives at least 6 hours of sunlight daily for optimal blooming. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize monthly during the growing season with a balanced fertilizer or one formulated for blooming plants to encourage abundant flowering.

How do I propagate Four O'Clock?

Four O’Clocks can be propagated through seeds, tubers, or stem cuttings.

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