Bergenia vs Four O'Clock Plant Comparison

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

Bergenia

Bergenia

Bergenia cordifolia

VS
Four O'Clock

Four O'Clock

Mirabilis jalapa

Bergenia

Bergenia

Bergenia cordifolia

Bergenia cordifolia is a rhizomatous perennial plant primarily grown for its large, leathery, rounded leaves that resemble elephant ears. It typically reaches a height of 30-45 cm. The leaves are evergreen, often turning bronze or reddish-purple in the winter. In spring, it produces clusters of pink, bell-shaped flowers on sturdy stalks. It is primarily an outdoor plant, valued for its tolerance of poor soil and shade, and its ability to provide year-round interest in the garden. It is not ideally suited for indoor growing due to its need for a cold dormancy period and specific light requirements.

Saxifragaceae Siberia, Mongolia, Korea, China
✨ Features: Evergreen foliage, winter color, drought tolerance, deer resistance
📖 Read Complete Bergenia 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 Bergenia Four O'Clock
Light Full sun to partial shade. Requires at least 4-6 hours of direct sunlight outdoors for optimal flowering and leaf color. Full sun to partial shade
Watering Every 10-14 days, depending on weather and soil drainage Every 3-7 days depending on weather and soil drainage
Humidity 30-50% 40-60%
Temperature 10-24°C 18-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 30-45 cm 0.3-1 meter (indoors unlikely to reach this height)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil. A mix of garden soil, compost, and perlite is suitable. Well-draining soil, such as a mix of garden soil, sand, and compost
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Bergenia

Scientific Name Bergenia cordifolia
Family Saxifragaceae
Native To Siberia, Mongolia, Korea, China
Also Known As Heartleaf Bergenia, Pigsqueak, Elephant Ears
Leaves The leaves are large, leathery, and rounded, typically 15-30 cm in diameter. They are a deep green color in spring and summer, often turning bronze or reddish-purple in the winter. The leaf surface is smooth and slightly glossy.
Flowers Bergenia produces clusters of bell-shaped flowers in spring, typically pink or magenta in color. Flowering is more prolific outdoors with sufficient sunlight. It rarely flowers indoors.

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

Bergenia

Height 30-45 cm
Spread 30-60 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Bergenia grows as a clump-forming perennial, spreading slowly via rhizomes. It forms a dense mat of foliage, with flower stalks emerging in spring.

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

Bergenia

Methods: Division, Rhizome cuttings, Seed

Difficulty: Easy

Tips: Divide rhizomes in early spring or fall. Ensure each division has roots and leaves. Plant rhizome cuttings horizontally just below the soil surface. Seeds can be sown in spring after a period of cold stratification.

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

Bergenia

Bergenia is known for its tough, leathery leaves that turn bronze or reddish-purple in the winter, providing year-round interest. Its ability to thrive in poor soil and shade makes it a valuable groundcover option.

  • ✓ Provides year-round visual interest in the garden
  • ✓ Attracts pollinators in spring
  • ✓ Deer resistant
  • ✓ Tolerates poor soil conditions
  • ✓ Low maintenance
  • ⚠️ 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

Bergenia

Repotting Not applicable for outdoor plants. If grown in containers, divide and repot every 2-3 years to prevent overcrowding.
Pruning Remove dead or damaged leaves as needed. Cut back flower stalks after blooming.
Fertilizing Apply a balanced slow-release fertilizer in early spring. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowering.
Seasonal Care In winter, provide protection from harsh winds and heavy snow. Reduce watering. In spring, fertilize and remove dead leaves. In summer, provide shade during the hottest part of the day. In autumn, divide plants if needed.

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

Bergenia

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

Low light tolerant: ❌ No

Four O'Clock

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Bergenia

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, especially in winter, as this can lead to root rot. Bergenia is drought-tolerant once established. Signs of overwatering include yellowing leaves and a mushy crown. Underwatering results in wilting and browning leaf edges.

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

Bergenia

Temperature: 10-24°C

Humidity: 30-50%

Four O'Clock

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Bergenia

Bergenia

Bergenia cordifolia
Care: Expert Time: 5 minutes weekly Beginner: No

Gardeners looking for a low-maintenance, evergreen groundcover with attractive foliage and spring flowers in a temperate climate.

✅ Choose This Plant If...

  • You want a low-maintenance, evergreen groundcover
  • You need a plant that tolerates shade and poor soil
  • You want a plant with attractive foliage that provides year-round interest
  • You want a plant that is deer-resistant
  • You want a plant with early spring flowers

❌ Skip This Plant If...

  • You are looking for an indoor plant
  • You live in a very hot or humid climate
  • You have pets that might ingest the plant
📍 Ideal Location: Outdoor garden bed or border
🎨 Style: Traditional, Cottage Garden, Woodland Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Bergenia species contain glycosides that can cause mild gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and loss of appetite. All parts of the plant are considered toxic.
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 Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

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

💡 Pro Tips For Comparing These Plants

Bergenia Care Tips

Bergenia cordifolia is primarily an outdoor plant that is challenging to grow indoors due to its need for a cold dormancy period and specific light requirements. It requires well-draining soil, moderate watering, and protection from intense afternoon sun. Indoor cultivation is not recommended.

  • Provide well-draining soil to prevent root rot
  • Protect from intense afternoon sun in hot climates
  • Divide plants every few years to maintain vigor
  • Remove dead leaves regularly to improve appearance
  • Apply a layer of mulch to retain moisture and suppress weeds
❄️ Winter: Provide protection from harsh winds and heavy snow. Reduce watering significantly. The leaves will often turn a deeper bronze or reddish-purple color during the winter months.
☀️ Summer: Provide shade during the hottest part of the day to prevent leaf scorch. Water more frequently during dry periods. Remove any dead or damaged leaves.

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

Bergenia

Common Issues: Root rot, slugs and snails, leaf spot, powdery mildew
Solutions: Ensure well-draining soil and avoid overwatering. Use slug and snail bait or handpick pests. Apply a fungicide for leaf spot or powdery mildew.

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

Bergenia

What are the light requirements for Bergenia?

Bergenia thrives best in partial shade, especially in warmer climates. Morning sun and afternoon shade are ideal. In cooler regions, Bergenia can tolerate more direct sunlight. Too much intense sun can scorch the leaves, while too little light may result in fewer flowers and less vibrant foliage color. When planting Bergenia, consider the amount of sunlight the area receives throughout the day. If the leaves start to turn pale or yellow, it may be a sign of too much sun. Conversely, if the plant is not flowering well, it may need more light. Adjust the plant’s location or provide shade as needed to ensure optimal growth.

How do I care for Bergenia?

Bergenia prefers partial shade to full sun, with some afternoon shade in hotter climates. Water regularly, especially during dry periods, but avoid waterlogging. Well-draining soil is essential. Fertilize in early spring with a balanced fertilizer to promote healthy growth and flowering. Remove faded flower stalks to encourage further blooms and maintain a tidy appearance. Divide clumps every few years to prevent overcrowding and rejuvenate the plant. Bergenia is generally low-maintenance and pest-resistant, but watch out for slugs and snails. Mulch around the base of the plant to retain moisture and suppress weeds. Regular deadheading will also keep the plant looking its best.

How do I propagate Bergenia?

Bergenia can be easily propagated by division. In spring or fall, carefully dig up the plant and divide the rhizomes into smaller sections, ensuring each section has roots and leaves. Replant the divisions in well-draining soil and water thoroughly. Stem cuttings are less common, but can be taken in spring. Take a cutting with several leaves, dip the cut end in rooting hormone, and plant in moist potting mix. Keep the cutting in a humid environment until roots develop. Keiki propagation is not applicable to Bergenia.

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 29, 2026 — Plant care data reviewed and verified by our editorial team.