Confederate 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.
Confederate Jasmine
Trachelospermum jasminoides
Confederate Jasmine is a woody, evergreen vine known for its fragrant, star-shaped white flowers. It's primarily an outdoor plant, used to cover walls, fences, or as a ground cover. It features glossy, dark green leaves and a twining growth habit. While it can be grown indoors, it requires very bright light and may not flower as readily. People grow it for its intensely sweet fragrance and attractive foliage. It is valued for its ability to create a lush, fragrant outdoor space.
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.
Quick Plant Comparison
| Feature | Confederate Jasmine | Four O'Clock |
|---|---|---|
| Light | Full sun to partial shade outdoors; requires very bright, direct light indoors (at least 6 hours of direct sunlight) | Full sun to partial shade |
| Watering | Every 7-10 days outdoors in well-draining soil; potentially less frequently indoors depending on light and humidity. | 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 | Moderate | Fast |
| Max Height | Indoors: 1-2 meters (if supported); Outdoors: up to 6 meters | 0.3-1 meter (indoors unlikely to reach this height) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining potting mix; a mix of potting soil, perlite, and sand is suitable. | Well-draining soil, such as a mix of garden soil, sand, and compost |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly (including watering, pruning, and pest control) | 15 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Confederate Jasmine
| Scientific Name | Trachelospermum jasminoides |
|---|---|
| Family | Apocynaceae |
| Native To | Eastern and Southeastern Asia (China, Japan, Korea, Vietnam) |
| Also Known As | Confederate Jasmine, Star Jasmine, Trader's Compass |
| Leaves | The leaves are opposite, simple, and ovate to lanceolate in shape. They are glossy, dark green, and leathery in texture, typically 5-10 cm long. |
| Flowers | It can flower indoors if given very bright light, but it is less likely to flower as profusely as it does outdoors. The flowers are small, white, and star-shaped, with a strong, sweet fragrance. |
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
Confederate Jasmine
Four O'Clock
🌱 Propagation — Comparing Plant Growth
Confederate Jasmine
Methods: Stem cuttings, Layering
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 cutting in a warm, humid environment until roots develop. Layering involves bending a stem to the ground and covering it with soil until roots form.
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
Confederate Jasmine
Its intensely fragrant, star-shaped flowers are its most distinguishing feature. Unlike some other jasmine species, it is relatively cold-hardy. The twining growth habit allows it to climb and cover structures.
- ✓ Provides intense fragrance to outdoor spaces.
- ✓ Offers attractive evergreen foliage.
- ✓ Can be used as a ground cover or climbing vine.
- ✓ Attracts pollinators to the garden.
- ✓ Creates a visually appealing and fragrant outdoor environment.
- ⚠️ 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
Confederate Jasmine
Four O'Clock
🌞 Light Requirements
Confederate Jasmine
Full sun to partial shade outdoors; requires very bright, direct light indoors (at least 6 hours of direct sunlight)
Low light tolerant: ❌ No
Four O'Clock
Full sun to partial shade
Low light tolerant: ❌ No
💧 Watering Needs
Confederate Jasmine
Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of overwatering include yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy 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
Confederate Jasmine
Temperature: 18-27°C
Humidity: 40-60%
Four O'Clock
Temperature: 18-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Confederate Jasmine
Trachelospermum jasminoidesExperienced gardeners who want a fragrant vine for their outdoor space and are willing to provide the specific conditions needed for indoor growth.
✅ Choose This Plant If...
- You desire a highly fragrant plant for your garden.
- You have a sunny location where it can thrive.
- You want an evergreen vine to cover a fence or wall.
- You are experienced with plant care and can provide the necessary conditions for indoor growth.
- You appreciate the aesthetic appeal of its star-shaped flowers.
❌ Skip This Plant If...
- You have pets that might ingest the plant.
- You cannot provide enough direct sunlight indoors.
- You are a beginner gardener looking for an easy-to-care-for houseplant.
Four O'Clock
Mirabilis jalapaGardeners 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.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Confederate Jasmine has moderate growth, while Four O'Clock grows fast.
💡 Pro Tips For Comparing These Plants
Confederate Jasmine Care Tips
Confederate Jasmine is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements. It needs consistent moisture but is susceptible to root rot if overwatered. Regular pruning is necessary to control its growth. Flowering indoors is unlikely without ideal conditions.
- Provide a trellis or support for climbing.
- Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
- Fertilize regularly during the growing season to promote flowering.
- Prune after flowering to maintain shape and encourage new growth.
- Monitor for pests and diseases regularly and treat promptly.
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.
⚠️ Common Problems & Solutions — Plant Care Comparison
Confederate Jasmine
Four O'Clock
❓ Frequently Asked Questions — Comparing These Plants
Confederate Jasmine
What are the light requirements for Confederate Jasmine?
Confederate Jasmine thrives best in full sun, requiring at least 6 hours of direct sunlight per day to promote abundant flowering. While it can tolerate partial shade, reduced sunlight may result in fewer blooms and less vigorous growth. When grown indoors, place it near a south-facing window where it can receive ample sunlight. Rotate the plant regularly to ensure even growth on all sides. If natural light is insufficient, supplement with grow lights to provide the necessary intensity. Insufficient light can lead to leggy growth and reduced flowering.
How do I care for Confederate Jasmine?
Confederate Jasmine thrives in well-draining soil and prefers a location that receives at least 6 hours of sunlight daily, although it can tolerate partial shade. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Fertilize during the growing season (spring and summer) with a balanced, slow-release fertilizer. Prune after flowering to maintain shape and encourage bushier growth. Provide a trellis, fence, or other support structure for climbing. Protect from frost in colder climates by bringing container plants indoors or providing adequate insulation. Monitor for pests like aphids and spider mites, and treat promptly if detected. Ensure good air circulation to prevent fungal diseases. Repot every 2-3 years as needed.
How do I propagate Confederate Jasmine?
Confederate Jasmine is easily propagated via stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a pot filled with well-draining potting mix. Keep the soil moist and provide bright, indirect light. Roots typically develop in 4-6 weeks. Layering involves bending a low-growing stem to the ground and burying a portion of it while still attached to the parent plant. Once roots develop on the buried stem, it can be severed and transplanted as a new plant. Provide support from the start!
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: May 13, 2026 — Plant care data reviewed and verified by our editorial team.