Four O'Clock vs Mirror Plant 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
Mirror Plant

Mirror Plant

Coprosma repens

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
Mirror Plant

Mirror Plant

Coprosma repens

Coprosma repens, commonly known as Mirror Bush, is a sprawling evergreen shrub or small tree native to New Zealand. It's characterized by its glossy, rounded leaves that appear almost reflective, hence the name 'Mirror Plant'. Primarily an outdoor plant, it's often used in coastal gardens for hedging, ground cover, or erosion control due to its tolerance of salt spray and wind. While it can be grown indoors, it requires very bright light and careful attention to humidity and watering to thrive. People grow it for its attractive foliage and hardiness in challenging outdoor environments.

Rubiaceae New Zealand
✨ Features: Glossy, reflective leaves; salt tolerance; drought tolerance once established.
📖 Read Complete Mirror Plant Guide

Quick Plant Comparison

Feature Four O'Clock Mirror Plant
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, needs very bright, direct light.
Watering Every 3-7 days depending on weather and soil drainage Every 1-2 weeks, depending on environmental conditions and pot size. Allow soil to dry slightly between waterings.
Humidity 40-60% 30-50%
Temperature 18-27°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-1 meter (indoors unlikely to reach this height) Indoors: 0.5-1 meter. Outdoors: up to 5 meters.
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining soil, such as a mix of garden soil, sand, and compost Well-draining potting mix. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 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.

Mirror Plant

Scientific Name Coprosma repens
Family Rubiaceae
Native To New Zealand
Also Known As Mirror Bush, Taupata, Looking-Glass Plant
Leaves The leaves are oval to rounded, about 5-10 cm long, and have a glossy, almost reflective surface. They are typically a vibrant green color.
Flowers It produces small, inconspicuous flowers in spring, followed by orange-red berries on female plants. Flowering is rare indoors.

📏 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.

Mirror Plant

Height Indoors: 0.5-1 meter. Outdoors: up to 5 meters.
Spread Indoors: 0.5-1 meter. Outdoors: up to 5 meters.
Growth Rate Moderate
Growth Pattern Outdoors, it grows as a sprawling shrub or small tree. Indoors, it can be trained as a small bush or allowed to trail.

🌱 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.

Mirror Plant

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

✨ 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

Mirror Plant

The glossy, reflective leaves are its most distinctive feature, giving it the common name 'Mirror Bush'. It's also highly tolerant of salt spray, making it ideal for coastal gardens.

  • ✓ Drought tolerance
  • ✓ Salt tolerance
  • ✓ Attractive foliage
  • ✓ Easy propagation
  • ✓ Provides habitat for wildlife (outdoors)
  • 🐾 Pet Safe

📅 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.

Mirror Plant

Repotting Repot every 2-3 years, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and size. Remove any dead or damaged branches.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength. Apply every 2-3 months during the growing season (spring and summer).
Seasonal Care In winter, reduce watering frequency. Provide protection from frost if grown outdoors in colder climates. In summer, ensure adequate sunlight and water during hot, dry periods.

🌞 Light Requirements

Four O'Clock

Full sun to partial shade

Low light tolerant: ❌ No

Mirror Plant

Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, needs very bright, direct light.

Low light tolerant: ❌ No

💧 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.

Mirror Plant

Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Four O'Clock

Temperature: 18-27°C

Humidity: 40-60%

Mirror Plant

Temperature: 15-24°C

Humidity: 30-50%

🤔 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.
Mirror Plant

Mirror Plant

Coprosma repens
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners looking for a hardy, visually appealing shrub for coastal gardens or those willing to provide optimal conditions for indoor growth.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for a sunny location.
  • You live near the coast and need a salt-tolerant shrub.
  • You are an experienced gardener looking for a visually interesting plant.
  • You have a very bright, sunny indoor space and are willing to provide optimal care.
  • You want a plant that can be easily propagated from cuttings.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You tend to overwater your plants.
  • You are a beginner gardener.
  • You don't have time for regular pruning and maintenance.
  • You live in a climate with harsh winters.
📍 Ideal Location: Outdoors: Coastal gardens, sunny slopes. Indoors: South-facing window with direct sunlight.
🎨 Style: Coastal, Mediterranean, Modern
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Coprosma species are not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Mirror Plant ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Four O'Clock has fast growth, while Mirror Plant grows moderate.

💡 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.

Mirror Plant Care Tips

Mirror Bush is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to its high light requirements and sensitivity to overwatering. It needs very bright, direct light and careful monitoring of soil moisture to thrive indoors.

  • Provide well-draining soil to prevent root rot.
  • Ensure adequate sunlight, especially when grown indoors.
  • Prune regularly to maintain shape and size.
  • Fertilize sparingly during the growing season.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering frequency during winter. Protect from frost if grown outdoors. Provide as much light as possible indoors.
☀️ Summer: Ensure adequate sunlight and water during hot, dry periods. Monitor for pests and diseases.

⚠️ 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.

Mirror Plant

Common Issues: Scale, Aphids, Root rot, Leaf spot
Solutions: Scale/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Leaf spot: Remove affected leaves and improve air circulation.

❓ 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.

Mirror Plant

What are the light requirements for Mirror Plant?

Mirror Plant prefers bright, indirect light. Direct sunlight can scorch the leaves, causing discoloration and damage. An east-facing window is ideal, providing gentle morning sun. A north-facing window can also work, but the plant may grow more slowly. If placing near a south or west-facing window, use sheer curtains to filter the light. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can result in leggy growth and dull foliage. If the leaves lose their vibrant color, it’s a sign the plant needs more light. Artificial grow lights can supplement natural light, especially during the winter months.

How do I care for Mirror Plant?

Mirror Plant thrives in bright, indirect light, but can tolerate some shade. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Avoid overwatering, as this can lead to root rot. Maintain a humidity level of 50-60%, especially during dry winter months, by misting regularly or using a humidifier. Use a well-draining potting mix and fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years as needed, choosing a pot only slightly larger than the previous one. Prune regularly to maintain shape and encourage bushier growth. Keep temperatures between 60-75°F (15-24°C). Protect from drafts and sudden temperature changes. Monitor for pests and treat promptly if detected. Provide adequate air circulation.

How do I propagate Mirror Plant?

Mirror Plant can be easily propagated through stem cuttings, division, or air layering. For 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 bright, indirect light. Roots should develop within a few weeks. For division, carefully separate the root ball of a mature plant into two or more sections, ensuring each section has healthy roots and foliage. Repot each section in its own pot. Air layering involves wounding a stem, wrapping it in moist sphagnum moss, and covering it with plastic wrap until roots develop. Once roots are visible, cut the stem below the roots and pot it up.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.