Chilean Jasmine vs Four O'Clock Plant Comparison

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

Chilean Jasmine

Chilean Jasmine

Mandevilla laxa

VS
Four O'Clock

Four O'Clock

Mirabilis jalapa

Chilean Jasmine

Chilean Jasmine

Mandevilla laxa

Chilean Jasmine (Mandevilla laxa) is a deciduous, twining vine known for its fragrant, creamy white flowers. It's primarily an outdoor plant, thriving in warm climates where it can climb fences, trellises, or walls. The plant features heart-shaped leaves and produces abundant blooms during the summer months. While it can be grown in containers, it requires significant support for its vining habit and may not flower as profusely indoors. People grow it for its beautiful, intensely fragrant flowers and its ability to create a lush, romantic aesthetic in gardens and patios.

Apocynaceae South America, specifically Argentina, Bolivia, and Ecuador
✨ Features: Intensely fragrant flowers.
📖 Read Complete Chilean Jasmine 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 Chilean Jasmine Four O'Clock
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade
Watering Every 5-7 days during the growing season, less frequently in winter. Every 3-7 days depending on weather and soil drainage
Humidity 40-60% 40-60%
Temperature 18-27°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height Up to 6 meters outdoors; significantly smaller indoors (1-2 meters with support). 0.3-1 meter (indoors unlikely to reach this height)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix amended with perlite or sand. Well-draining soil, such as a mix of garden soil, sand, and compost
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Chilean Jasmine

Scientific Name Mandevilla laxa
Family Apocynaceae
Native To South America, specifically Argentina, Bolivia, and Ecuador
Also Known As Chilean Jasmine, Chilean Jessamine
Leaves The leaves are opposite, heart-shaped (cordate), and typically 5-10 cm long. They are a medium green color and have a smooth texture.
Flowers It produces abundant, trumpet-shaped flowers in clusters during the summer. The flowers are typically creamy white and intensely fragrant. 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

Chilean Jasmine

Height Up to 6 meters outdoors; significantly smaller indoors (1-2 meters with support).
Spread Up to 3 meters outdoors; limited by container size indoors.
Growth Rate Fast
Growth Pattern It is a twining vine that climbs by wrapping its stems around supports. It can grow quite vigorously in ideal conditions.

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

Chilean Jasmine

Methods: Stem cuttings, Seed

Difficulty: Moderate

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.

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

Chilean Jasmine

Its intense fragrance is its most notable characteristic. The deciduous nature also distinguishes it from some other Mandevilla species.

  • ✓ Provides beautiful, fragrant flowers.
  • ✓ Creates a lush, green screen or backdrop.
  • ✓ Attracts pollinators to the garden.
  • ✓ Adds a touch of elegance to outdoor spaces.
  • ✓ Can be used to create a privacy screen.
  • ⚠️ 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

Chilean Jasmine

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune regularly to control size and shape. Prune after flowering to encourage new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide ample water and fertilizer during the growing season.

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

Chilean Jasmine

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Four O'Clock

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Chilean Jasmine

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. Signs of underwatering include wilting leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.

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

Chilean Jasmine

Temperature: 18-27°C

Humidity: 40-60%

Four O'Clock

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Chilean Jasmine

Chilean Jasmine

Mandevilla laxa
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want a fragrant, climbing vine for their outdoor space.

✅ Choose This Plant If...

  • You want a highly fragrant flowering vine for your garden.
  • You live in a warm climate with plenty of sunshine.
  • You have a trellis or fence that needs covering.
  • You are an experienced gardener looking for a rewarding challenge.
  • You appreciate the romantic aesthetic of climbing plants.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You don't have a suitable outdoor space for a large vine.
📍 Ideal Location: Sunny patio or garden with a trellis or fence.
🎨 Style: Romantic, Cottage, Traditional
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are considered toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and anorexia. The sap can also cause skin irritation.
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

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Chilean Jasmine Care Tips

Chilean Jasmine is primarily an outdoor plant that requires significant sunlight and support for its vining growth. Growing it indoors is challenging due to its high light requirements and need for space. It is also toxic to pets, requiring careful placement. Requires regular pruning to control size.

  • Provide a sturdy support structure for the vine to climb.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season to promote abundant flowering.
  • Prune after flowering to encourage new growth and maintain shape.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly. If grown in a container, bring indoors to a cool, bright location. Protect from frost if left outdoors.
☀️ Summer: Water regularly, especially during hot weather. Fertilize every 2-4 weeks. Provide ample sunlight for optimal flowering.

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

Chilean Jasmine

Common Issues: Aphids, Spider mites, Root rot, Lack of flowering
Solutions: Aphids/Spider mites: Treat with insecticidal soap or neem oil. Root rot: Ensure proper drainage and avoid overwatering. Lack of flowering: Provide more sunlight and fertilize regularly.

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

Chilean Jasmine

What are the light requirements for Chilean Jasmine?

Chilean Jasmine thrives in bright, indirect sunlight. Direct sunlight can scorch the leaves, especially during the hottest part of the day. An east- or west-facing window is ideal, providing ample light without the intensity of direct southern exposure. If grown indoors, rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Chilean Jasmine?

Chilean Jasmine requires bright, indirect sunlight to flourish and produce abundant blooms. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly during the growing season (spring and summer) with a balanced, liquid fertilizer, or one specifically formulated for flowering plants, diluted to half strength. Prune after flowering to maintain shape and encourage bushier growth.

How do I propagate Chilean Jasmine?

Chilean Jasmine can be propagated through 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 in 4-6 weeks.

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.