Four O'Clock vs Plectranthus Plant Comparison

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

Four O'Clock

Four O'Clock

Mirabilis jalapa

VS
Plectranthus

Plectranthus

Plectranthus verticillatus

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
Plectranthus

Plectranthus

Plectranthus verticillatus

Plectranthus verticillatus, commonly called Swedish Ivy (though not a true ivy), is a succulent, perennial plant known for its trailing habit and attractive foliage. It features glossy, rounded, scalloped leaves that are typically a vibrant green. While it can produce small, white to pale purple flowers, it's primarily grown for its foliage. It's a relatively easy-to-care-for plant, making it popular for hanging baskets, shelves, and as a ground cover in warmer climates. It is often grown indoors for its ornamental value.

Lamiaceae Southeastern Africa
✨ Features: Attractive foliage, easy to propagate, trailing growth habit.
📖 Read Complete Plectranthus Guide

Quick Plant Comparison

Feature Four O'Clock Plectranthus
Light Full sun to partial shade Bright, indirect light. Can tolerate some direct morning sun, but avoid harsh afternoon sun.
Watering Every 3-7 days depending on weather and soil drainage Every 7-10 days, depending on environmental conditions
Humidity 40-60% 40-60%
Temperature 18-27°C 18-24°C
Care Level Expert Easy
Growth Rate Fast Fast
Max Height 0.3-1 meter (indoors unlikely to reach this height) 20-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of garden soil, sand, and compost Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 15 minutes weekly 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

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.

Plectranthus

Scientific Name Plectranthus verticillatus
Family Lamiaceae
Native To Southeastern Africa
Also Known As Swedish Ivy, Whorled Plectranthus, Money Plant (sometimes)
Leaves Rounded, succulent leaves with scalloped edges. Typically a vibrant green color, but some varieties may have variegated foliage. Leaves are approximately 2-5 cm in diameter and have a glossy texture.
Flowers While it can flower indoors, it's not a frequent occurrence. The flowers are small, white to pale purple, and grow in clusters.

📏 Size & Growth — Plant Comparison

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.

Plectranthus

Height 20-30 cm
Spread 30-60 cm
Growth Rate Fast
Growth Pattern Trailing and cascading. Stems grow long and can be pruned to encourage bushier growth. It can also be trained to climb with support.

🌱 Propagation — Comparing Plant Growth

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.

Plectranthus

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings with at least 2-3 nodes. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Roots will typically develop within a few weeks.

✨ Benefits & Features — Comparing Plant Value

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

Plectranthus

Its glossy, scalloped leaves and trailing growth habit make it a visually appealing plant. It's also very easy to propagate, making it a popular choice for sharing with friends and family.

  • ✓ Adds a touch of greenery to indoor spaces
  • ✓ Easy to propagate and share
  • ✓ Relatively low-maintenance
  • ✓ Can be used in hanging baskets or as a trailing plant
  • ✓ Provides a calming and natural aesthetic
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Plectranthus

Repotting Repot every 1-2 years, or when the plant becomes root-bound.
Pruning Pinch back stems regularly to encourage bushier growth. Prune to maintain desired shape and size.
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 the winter months when growth slows down. Provide adequate light during shorter days. In the summer, protect from intense direct sunlight.

🌞 Light Requirements

Four O'Clock

Full sun to partial shade

Low light tolerant: ❌ No

Plectranthus

Bright, indirect light. Can tolerate some direct morning sun, but avoid harsh afternoon sun.

Low light tolerant: ✅ Yes

💧 Watering Needs

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.

Plectranthus

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and stem rot. Underwatering can cause the leaves to droop and become crispy.

🌡️ Temperature & Humidity

Four O'Clock

Temperature: 18-27°C

Humidity: 40-60%

Plectranthus

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

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.
Plectranthus

Plectranthus

Plectranthus verticillatus
Care: Easy Time: 5 minutes weekly Beginner: Yes

Beginners looking for an easy-to-grow trailing plant for hanging baskets or shelves.

✅ Choose This Plant If...

  • It's incredibly easy to propagate from cuttings, making it great for sharing with friends.
  • It has attractive, glossy foliage that adds a touch of greenery to any space.
  • It's a relatively low-maintenance plant, perfect for busy individuals.
  • Its trailing growth habit makes it ideal for hanging baskets and shelves.
  • It tolerates a range of light conditions, making it adaptable to different environments.

❌ Skip This Plant If...

  • It's toxic to pets, so it's not suitable for households with curious animals.
  • It can become leggy if not pruned regularly.
  • It requires well-draining soil to prevent root rot.
📍 Ideal Location: Hanging basket near a window with bright, indirect light, or on a shelf.
🎨 Style: Bohemian, Tropical, Cottagecore
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Plectranthus species are toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Plectranthus
Pet Friendly Neither - caution
Less Maintenance Plectranthus
Apartment Friendly Plectranthus

⚡ Key Differences Between These Plants

🎯

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

💡 Pro Tips For Comparing These Plants

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.

Plectranthus Care Tips

Plectranthus verticillatus is a relatively low-maintenance plant that thrives in bright, indirect light and well-draining soil. Avoid overwatering and provide occasional fertilization during the growing season. It's easily propagated from stem cuttings. Be aware of its toxicity to pets.

  • Water thoroughly when the top inch of soil is dry, but avoid overwatering.
  • Pinch back stems regularly to encourage bushier growth.
  • Fertilize every 4-6 weeks during the growing season with a balanced liquid fertilizer.
  • Provide bright, indirect light for optimal growth.
  • Repot every 1-2 years to refresh the soil and provide more space for the roots.
❄️ Winter: Reduce watering frequency as growth slows down. Ensure the plant receives adequate light during shorter days. Avoid placing near cold drafts.
☀️ Summer: Protect from intense direct sunlight to prevent leaf burn. Increase watering frequency if the plant dries out more quickly due to warmer temperatures.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Plectranthus

Common Issues: Root rot, Mealybugs, Aphids, Leggy growth
Solutions: Root rot: Ensure proper drainage and allow the soil to dry out slightly between waterings. Treat with fungicide if necessary. | Mealybugs: Wipe away with a cotton swab dipped in rubbing alcohol or use insecticidal soap. | Aphids: Spray with insecticidal soap or neem oil. | Leggy growth: Prune back stems to encourage bushier growth and provide more light.

❓ Frequently Asked Questions — Comparing These Plants

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.

Plectranthus

What are the light requirements for Plectranthus?

Plectranthus prefers bright, indirect light. Direct sunlight can scorch its delicate leaves, causing discoloration and damage. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work if the light is sufficiently bright. If placed near a south- or west-facing window, use sheer curtains to filter the light. Insufficient light will result in leggy growth and faded leaf color. Rotate the plant regularly to ensure even growth on all sides. Artificial grow lights can supplement natural light, especially during winter months. Observe your plant closely and adjust its location as needed based on its response to the light.

How do I care for Plectranthus?

Plectranthus thrives in bright, indirect light; avoid direct sunlight, which can scorch the 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 50-70%, by misting regularly or using a humidifier. 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. Repot every 1-2 years, or when the plant becomes root-bound, using a well-draining potting mix. Monitor for pests like spider mites and mealybugs, and treat promptly. Provide consistent temperatures between 65-75°F (18-24°C). Ensure proper air circulation to prevent fungal diseases.

How do I propagate Plectranthus?

Plectranthus is easily propagated through stem cuttings, division, and air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place the cutting in water or directly into moist potting mix. Roots typically develop within a few weeks. For division, carefully separate the root ball of a mature plant into smaller sections and repot each section individually. Air layering involves wounding a stem, wrapping it in moist sphagnum moss, and covering it with plastic wrap until roots develop, then cutting the stem below the roots and potting it. All methods are most successful during the growing season (spring and summer).

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.