Madagascar Periwinkle vs Maltese Cross Plant Comparison

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

Madagascar Periwinkle

Madagascar Periwinkle

Catharanthus roseus

VS
Maltese Cross

Maltese Cross

Lychnis chalcedonica

Madagascar Periwinkle

Madagascar Periwinkle

Catharanthus roseus

Madagascar Periwinkle is a herbaceous perennial, often grown as an annual, reaching up to 1-2 feet tall. It features glossy, dark green, oval leaves and showy, five-petaled flowers in shades of white, pink, rose, or lavender, often with a contrasting eye in the center. It's primarily an outdoor plant, prized for its continuous blooming throughout the warm months. People grow it for its vibrant colors, drought tolerance, and medicinal properties (though this is not a reason for home cultivation). While it can be grown indoors, it requires very bright light to thrive and bloom.

Apocynaceae Madagascar
✨ Features: Drought tolerant, long blooming period.
📖 Read Complete Madagascar Periwinkle Guide
Maltese Cross

Maltese Cross

Lychnis chalcedonica

Lychnis chalcedonica, commonly known as Maltese Cross, is a herbaceous perennial prized for its vibrant, scarlet-red, cross-shaped flower clusters. It typically grows to a height of 60-90 cm (2-3 feet). The plant features upright stems with lance-shaped, slightly hairy leaves. It is primarily an outdoor plant, thriving in sunny gardens and borders. People grow it for its eye-catching flowers that attract pollinators like butterflies and hummingbirds, adding a splash of color to summer gardens. It is not ideally suited for indoor cultivation due to its high light requirements and need for a dormancy period.

Caryophyllaceae Russia, Central Asia, and parts of Europe
✨ Features: Attracts butterflies and hummingbirds.
📖 Read Complete Maltese Cross Guide

Quick Plant Comparison

Feature Madagascar Periwinkle Maltese Cross
Light Full sun to partial shade outdoors; indoors requires very bright, direct sunlight for at least 6 hours daily. Full sun (at least 6 hours of direct sunlight per day)
Watering Every 5-7 days outdoors in warm weather; every 7-10 days indoors, adjusting based on light and temperature. Every 5-7 days during the growing season, less frequently in cooler months.
Humidity 30-50% 30-50%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.3-0.6 meters (1-2 feet) indoors; slightly larger outdoors. N/A - Outdoor plant, typically 60-90 cm (2-3 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix; a mix of potting soil, perlite, and sand is ideal. Well-draining soil, such as a mix of garden soil, sand, and compost.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly 10 minutes weekly (deadheading, watering)

🔬 Botanical Information — Comparing These Plants

Madagascar Periwinkle

Scientific Name Catharanthus roseus
Family Apocynaceae
Native To Madagascar
Also Known As Madagascar Periwinkle, Rose Periwinkle, Vinca rosea, Old Maid
Leaves Glossy, dark green, oval-shaped leaves, typically 1-2 inches long, arranged oppositely along the stems.
Flowers Flowers readily outdoors in warm conditions. Indoors, flowering is less reliable but possible with sufficient light. The flowers are five-petaled, about 1-2 inches in diameter, and come in shades of white, pink, rose, or lavender, often with a contrasting eye in the center.

Maltese Cross

Scientific Name Lychnis chalcedonica
Family Caryophyllaceae
Native To Russia, Central Asia, and parts of Europe
Also Known As Maltese Cross, Jerusalem Cross, Scarlet Lightning
Leaves Lance-shaped, slightly hairy leaves that are typically 5-10 cm long. They are arranged oppositely along the stems and are a medium green color.
Flowers The flowers are bright scarlet-red and arranged in dense, rounded clusters at the top of the stems. Each flower is about 2-3 cm in diameter and has four petals forming a distinct cross shape. Flowering occurs in summer.

📏 Size & Growth — Plant Comparison

Madagascar Periwinkle

Height 0.3-0.6 meters (1-2 feet) indoors; slightly larger outdoors.
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. It typically grows to a height of 1-2 feet and spreads to a similar width.

Maltese Cross

Height N/A - Outdoor plant, typically 60-90 cm (2-3 feet)
Spread N/A - Outdoor plant, typically 30-45 cm (1-1.5 feet)
Growth Rate Moderate
Growth Pattern Upright, clump-forming perennial with sturdy stems that support the flower clusters. It spreads slowly through its root system, but is not considered aggressively invasive.

🌱 Propagation — Comparing Plant Growth

Madagascar Periwinkle

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 soil consistently moist until roots develop. Seeds can be sown indoors 6-8 weeks before the last frost or directly outdoors after the danger of frost has passed.

Maltese Cross

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: For seeds, sow indoors 6-8 weeks before the last frost or directly outdoors in spring. Division is best done in spring or fall. Stem cuttings can be taken in late spring or early summer.

✨ Benefits & Features — Comparing Plant Value

Madagascar Periwinkle

The Madagascar Periwinkle is known for its continuous blooming habit and drought tolerance. It's also a source of important medicinal compounds used in cancer treatment.

  • ✓ Provides vibrant color to gardens and containers.
  • ✓ Attracts pollinators like butterflies.
  • ✓ Drought-tolerant, reducing water consumption.
  • ✓ Long blooming period for extended visual appeal.
  • ✓ Can be grown in a variety of soil types.
  • ⚠️ Toxic to pets

Maltese Cross

The Maltese Cross is distinguished by its unique flower shape, with four petals arranged in a cross-like formation. Its vibrant scarlet-red color makes it a standout in any garden. It is a reliable perennial that returns year after year.

  • ✓ Attracts pollinators to the garden
  • ✓ Adds vibrant color to the landscape
  • ✓ Relatively low-maintenance once established
  • ✓ Provides a long blooming period
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Madagascar Periwinkle

Repotting Repot annually in spring if grown in a container, using a slightly larger pot.
Pruning Pinch back stems to encourage bushier growth and more blooms. Remove spent flowers to promote continued blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilizing. If grown as an annual, it will die back in cold climates. Indoors, maintain consistent temperatures and light levels.

Maltese Cross

Repotting N/A - Outdoor plant
Pruning Deadhead spent flowers to encourage more blooms. Cut back the plant to the ground in late fall.
Fertilizing Balanced fertilizer (10-10-10) applied in spring and early summer at half strength.
Seasonal Care In spring, apply fertilizer and remove any dead foliage. In summer, water regularly and deadhead spent flowers to encourage more blooms. In fall, cut back the plant after flowering. In winter, provide a layer of mulch for protection.

🌞 Light Requirements

Madagascar Periwinkle

Full sun to partial shade outdoors; indoors requires very bright, direct sunlight for at least 6 hours daily.

Low light tolerant: ❌ No

Maltese Cross

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

💧 Watering Needs

Madagascar Periwinkle

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of overwatering include yellowing leaves and stem rot. Underwatering is indicated by wilting and dry, crispy leaves.

Maltese Cross

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Signs of underwatering include wilting leaves, while overwatering can cause yellowing and mushy stems.

🌡️ Temperature & Humidity

Madagascar Periwinkle

Temperature: 18-27°C

Humidity: 30-50%

Maltese Cross

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Madagascar Periwinkle

Madagascar Periwinkle

Catharanthus roseus
Care: Expert Time: 10 minutes weekly Beginner: No

Experienced gardeners who want a vibrant, drought-tolerant plant for a sunny outdoor location, or those willing to provide intense light for indoor growth.

✅ Choose This Plant If...

  • You want a plant with continuous blooms throughout the summer.
  • You live in a warm climate with plenty of sunshine.
  • You are looking for a drought-tolerant plant.
  • You are an experienced gardener who can provide the intense light it needs indoors.
  • You want a plant that attracts butterflies.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide very bright, direct sunlight.
  • You tend to overwater your plants.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny patio, balcony, or garden bed outdoors; South-facing window indoors.
🎨 Style: Cottage, Tropical, Traditional
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, incoordination, tremors, and seizures. The plant contains alkaloids that can cause gastrointestinal distress and neurological issues.
Maltese Cross

Maltese Cross

Lychnis chalcedonica
Care: Expert Time: 10 minutes weekly (deadheading, watering) Beginner: No

Gardeners looking to add vibrant color and attract pollinators to their sunny flower beds.

✅ Choose This Plant If...

  • You want a plant that attracts butterflies and hummingbirds to your garden.
  • You desire a vibrant, scarlet-red flower display in summer.
  • You have a sunny garden or border where the plant can thrive.
  • You are looking for a relatively low-maintenance perennial.
  • You enjoy plants with historical significance and interesting names.

❌ Skip This Plant If...

  • You have pets that might ingest the plant, as it is toxic.
  • You lack a sunny outdoor space to provide adequate light.
  • You are looking for an indoor plant.
  • You live in a very hot, humid climate where powdery mildew is prevalent.
  • You prefer plants that require minimal watering.
📍 Ideal Location: Sunny garden bed or border.
🎨 Style: Cottage, Traditional, English Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Lychnis is toxic to dogs, cats, and horses. The specific toxic principle is unknown, but symptoms include vomiting, diarrhea, and abdominal pain. 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

🌿

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

Madagascar Periwinkle Care Tips

Madagascar Periwinkle is relatively easy to grow outdoors in warm climates with plenty of sunlight. Indoors, it requires very bright light, well-draining soil, and careful watering to prevent root rot. It may not bloom as profusely indoors as it does outdoors. Due to its toxicity to pets, consider placement carefully.

  • Provide at least 6 hours of direct sunlight daily for optimal blooming.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season to promote abundant blooms.
  • Pinch back stems to encourage bushier growth and more flowers.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: Reduce watering significantly during winter. If grown as an annual, it will die back. If kept indoors, maintain consistent temperatures and provide as much light as possible.
☀️ Summer: Water more frequently during hot summer months. Provide afternoon shade in extremely hot climates to prevent scorching. Fertilize regularly to support continuous blooming.

Maltese Cross Care Tips

Maltese Cross is primarily an outdoor plant requiring full sun and well-drained soil. Indoor cultivation is challenging due to its high light needs and dormancy requirements. It needs a cold period in winter to thrive. It is toxic to pets.

  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide full sun for optimal flowering.
  • Apply a balanced fertilizer in spring and early summer.
  • Mulch around the plant in winter to protect the roots.
❄️ Winter: Cut back the plant to the ground after flowering. Apply a layer of mulch around the base of the plant to protect the roots from freezing temperatures. Ensure the soil is well-draining to prevent root rot during wet winter conditions.
☀️ Summer: Water regularly, especially during hot, dry periods. Deadhead spent flowers to encourage more blooms. Provide support if the stems become weak or leggy. Monitor for pests and diseases and treat as needed.

⚠️ Common Problems & Solutions — Plant Care Comparison

Madagascar Periwinkle

Common Issues: Root rot, Aphids, Spider mites, Leaf spot
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Treat with fungicide if necessary. | Aphids: Spray with insecticidal soap or neem oil. | Spider mites: Increase humidity and spray with insecticidal soap or neem oil. | Leaf spot: Remove affected leaves and treat with fungicide.

Maltese Cross

Common Issues: Root rot, Powdery mildew, Aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Madagascar Periwinkle

What are the light requirements for Madagascar Periwinkle?

Madagascar Periwinkle demands ample sunlight to flourish. It requires a minimum of six hours of direct sunlight each day to produce abundant blooms. Insufficient light will result in leggy growth, fewer flowers, and pale foliage. When grown indoors, place the plant near a south-facing window where it can receive maximum sunlight.

How do I care for Madagascar Periwinkle?

Madagascar Periwinkle thrives in warm climates with plenty of sunlight. Plant in well-draining soil, ideally a sandy loam mix. Water thoroughly when the top inch of soil feels dry, but avoid overwatering as it’s susceptible to root rot. Fertilize monthly during the growing season (spring and summer) with a balanced, water-soluble fertilizer, or one specifically formulated for flowering plants, to encourage abundant blooms. Deadhead spent flowers regularly to promote continuous flowering.

How do I propagate Madagascar Periwinkle?

Madagascar Periwinkle is most commonly propagated through stem cuttings. Take 4-6 inch cuttings from healthy stems, 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 indirect light. Roots typically develop within 2-4 weeks.

Maltese Cross

What are the light requirements for Maltese Cross?

Maltese Cross plants thrive in full sun, requiring at least six hours of direct sunlight per day to produce abundant blooms. Insufficient sunlight can result in leggy growth and fewer flowers. When growing indoors, place your Maltese Cross near a south-facing window where it can receive maximum sunlight. If natural sunlight is limited, consider using grow lights to supplement their needs. Rotate the plant regularly to ensure even exposure to light on all sides. Monitor the plant for signs of etiolation (stretching towards the light), which indicates insufficient light. Adjust the plant’s position or supplement with artificial light as needed.

How do I care for Maltese Cross?

Maltese Cross plants are relatively easy to care for, thriving in well-drained soil and full sun. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Apply a balanced fertilizer in the spring to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage continuous blooming throughout the season. These plants are generally hardy and can tolerate a range of temperatures, but may benefit from some protection in colder climates. Regularly check for pests and diseases, and address any issues promptly. Prune back the plant after flowering to maintain its shape and promote bushier growth. Ensure good air circulation around the plant to prevent fungal diseases.

How do I propagate Maltese Cross?

Maltese Cross can be propagated through division, stem cuttings, or seeds.

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