Four O'Clock vs Indian Pink 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
Indian Pink

Indian Pink

Spigelia marilandica

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
Indian Pink

Indian Pink

Spigelia marilandica

Spigelia marilandica, commonly known as Indian Pink, is a perennial herbaceous plant native to the southeastern United States. It features lance-shaped, opposite leaves and striking tubular flowers that are bright red on the outside and yellow on the inside. The flowers attract hummingbirds and butterflies, making it a popular choice for gardens. It typically grows to a height of 1-2 feet. It is primarily an outdoor plant, thriving in woodland settings. While admired for its beauty, it is not typically grown indoors due to its specific environmental needs.

Loganiaceae Southeastern United States
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Indian Pink Guide

Quick Plant Comparison

Feature Four O'Clock Indian Pink
Light Full sun to partial shade Partial shade to full shade. Requires protection from intense afternoon sun.
Watering Every 3-7 days depending on weather and soil drainage 2-3 times per week during the growing season, less frequently in winter.
Humidity 40-60% 40-60%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-1 meter (indoors unlikely to reach this height) N/A (Outdoor plant, not suited for indoor growth)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of garden soil, sand, and compost Well-drained, humus-rich soil with a slightly acidic to neutral pH.
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.

Indian Pink

Scientific Name Spigelia marilandica
Family Loganiaceae
Native To Southeastern United States
Also Known As Indian Pink, Woodland Pinkroot, Wormgrass
Leaves Lance-shaped, opposite leaves that are typically 2-6 inches long and 1-2 inches wide. They are a medium green color and have a smooth texture.
Flowers The flowers are tubular, about 1-2 inches long, and bright red on the outside with a yellow interior. They bloom in late spring to early summer. It will not flower 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.

Indian Pink

Height N/A (Outdoor plant, not suited for indoor growth)
Spread 1-2 feet
Growth Rate Moderate
Growth Pattern Upright, clumping perennial with slender stems and opposite leaves. It forms a dense clump over time.

🌱 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.

Indian Pink

Methods: Seed, Division

Difficulty: Moderate

Tips: Divide clumps in early spring or fall. Sow seeds in fall for stratification. Ensure good drainage and consistent moisture.

✨ 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

Indian Pink

The striking red and yellow tubular flowers are uniquely shaped and highly attractive to hummingbirds. Its native status makes it a valuable addition to ecological gardens. The plant's historical use as a vermifuge adds to its intriguing history.

  • ✓ Attracts pollinators like hummingbirds and butterflies.
  • ✓ Adds beauty and interest to shady gardens.
  • ✓ Supports local ecosystems by providing food and habitat for native wildlife.
  • ✓ Historically used for medicinal purposes (though not recommended without expert guidance).
  • ✓ Provides a unique and interesting focal point in the garden.
  • ⚠️ 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.

Indian Pink

Repotting N/A (Outdoor plant)
Pruning Remove spent flower stalks to encourage further blooming. Cut back foliage in late fall after it has died back.
Fertilizing Apply a balanced slow-release fertilizer in early spring. Avoid over-fertilizing.
Seasonal Care In spring, apply fertilizer and mulch. In summer, ensure adequate moisture. In fall, divide clumps if needed. In winter, protect from frost in colder regions with a layer of mulch.

🌞 Light Requirements

Four O'Clock

Full sun to partial shade

Low light tolerant: ❌ No

Indian Pink

Partial shade to full shade. Requires protection from intense afternoon sun.

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.

Indian Pink

Water regularly, especially during dry periods. Keep the soil consistently moist but not waterlogged. Overwatering can lead to root rot, while underwatering can cause the plant to wilt and dry out. Check the soil moisture regularly and adjust watering accordingly.

🌡️ Temperature & Humidity

Four O'Clock

Temperature: 18-27°C

Humidity: 40-60%

Indian Pink

Temperature: 15-25°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.
Indian Pink

Indian Pink

Spigelia marilandica
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners in the southeastern United States looking to attract hummingbirds and butterflies to a shady woodland garden.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You have a shady woodland garden.
  • You live in the southeastern United States.
  • You appreciate native plants.
  • You want a unique and beautiful flowering perennial.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a suitable outdoor location with partial shade.
  • You are looking for an easy-to-grow indoor plant.
📍 Ideal Location: Woodland garden, shady border, naturalized area
🎨 Style: Woodland, Naturalistic, Cottage
🏠 Apartment Friendly: No
⚠️ Contains alkaloids that can be toxic to dogs, cats, and horses. Symptoms may include vomiting, diarrhea, incoordination, and seizures. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Four O'Clock has fast growth, while Indian Pink 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.

Indian Pink Care Tips

Indian Pink is best suited for outdoor gardens. It requires specific light and soil conditions that are difficult to replicate indoors. It prefers partial to full shade and well-drained, humus-rich soil. It is also toxic to pets, making indoor cultivation potentially risky.

  • Provide well-drained soil to prevent root rot.
  • Protect from intense afternoon sun to prevent leaf scorch.
  • Apply a layer of mulch to retain moisture and suppress weeds.
  • Monitor for pests and diseases regularly.
  • Divide clumps every few years to maintain vigor.
❄️ Winter: In colder regions, apply a layer of mulch to protect the roots from freezing temperatures. Reduce watering during dormancy.
☀️ Summer: Ensure adequate moisture during hot, dry periods. Provide shade during the hottest part of the day to prevent leaf scorch.

⚠️ 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.

Indian Pink

Common Issues: Root rot, powdery mildew, slug and snail damage
Solutions: Ensure good drainage to prevent root rot. Treat powdery mildew with a fungicide. Use slug and snail bait or handpick pests.

❓ 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.

Indian Pink

What are the light requirements for Indian Pink?

Indian Pink prefers partial to full shade, mimicking its natural woodland habitat. Direct sunlight can scorch the leaves and fade the vibrant flower color. Aim for at least 4-6 hours of indirect sunlight daily. A location with morning sun and afternoon shade is ideal.

How do I care for Indian Pink?

Indian Pink thrives in partial shade to full shade, requiring at least 4-6 hours of indirect sunlight daily. Water regularly, keeping the soil consistently moist but not waterlogged, especially during the growing season. Amend soil with organic matter for better drainage and nutrition. Fertilize in early spring with a balanced, slow-release fertilizer formulated for flowering plants, and again after the first flush of blooms to encourage reblooming.

How do I propagate Indian Pink?

Indian Pink can be propagated by division, stem cuttings, and, less commonly, from seed. For division, carefully dig up the plant in early spring or fall and separate the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil.

Last updated: May 1, 2026 — Plant care data reviewed and verified by our editorial team.