Crepe Myrtle vs Maltese Cross Plant Comparison

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

Crepe Myrtle

Crepe Myrtle

Lagerstroemia indica

VS
Maltese Cross

Maltese Cross

Lychnis chalcedonica

Crepe Myrtle

Crepe Myrtle

Lagerstroemia indica

Crepe Myrtles are deciduous trees or large shrubs known for their vibrant summer flowers, attractive peeling bark, and colorful fall foliage. They typically grow to heights of 15-25 feet outdoors, though dwarf varieties exist. The flowers come in shades of pink, red, white, and purple, with a crinkled, crepe-like texture. They are primarily grown as ornamental trees in gardens and landscapes for their year-round visual interest. Due to their high light requirements and large size, they are not suitable for indoor growing.

Lythraceae Native to China and Korea
✨ Features: Beautiful summer flowers, attractive peeling bark, colorful fall foliage
📖 Read Complete Crepe Myrtle 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 Crepe Myrtle Maltese Cross
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun (at least 6 hours of direct sunlight per day)
Watering Outdoors: Once or twice a week during the growing season, less frequently during dormancy. Indoors (not recommended): Would need very frequent watering due to high light needs. Every 5-7 days during the growing season, less frequently in cooler months.
Humidity 30-50% 30-50%
Temperature 18-32°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not suitable for indoor growing; outdoors: 4.5-7.5 meters (15-25 feet) N/A - Outdoor plant, typically 60-90 cm (2-3 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil Well-draining soil, such as a mix of garden soil, sand, and compost.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (pruning, fertilizing, pest control) 10 minutes weekly (deadheading, watering)

🔬 Botanical Information — Comparing These Plants

Crepe Myrtle

Scientific Name Lagerstroemia indica
Family Lythraceae
Native To Native to China and Korea
Also Known As Crepe Myrtle, Crape Myrtle
Leaves The leaves are small, oval-shaped, and dark green in summer, turning to shades of yellow, orange, and red in the fall. They are arranged oppositely or alternately on the branches.
Flowers Crepe Myrtles produce large clusters of crinkled, crepe-like flowers in summer. The flowers come in shades of pink, red, white, and purple. They do not flower indoors.

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

Crepe Myrtle

Height Not suitable for indoor growing; outdoors: 4.5-7.5 meters (15-25 feet)
Spread Outdoors: 4.5-7.5 meters (15-25 feet)
Growth Rate Moderate
Growth Pattern Crepe Myrtles typically grow as multi-stemmed trees or large shrubs with an upright, spreading habit. They can be pruned to a single trunk if desired.

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

Crepe Myrtle

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take softwood cuttings in late spring or early summer. Dip in rooting hormone and plant in well-draining soil. Keep moist and warm. Seeds can be sown in spring after stratification.

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

Crepe Myrtle

Crepe Myrtles are known for their long blooming period and attractive peeling bark. The flowers have a unique, crepe-like texture, giving the tree its common name.

  • ✓ Provides beautiful summer flowers
  • ✓ Offers year-round visual interest with attractive bark and fall color
  • ✓ Attracts pollinators to the garden
  • ✓ Provides shade in the summer
  • ✓ Relatively low-maintenance once established
  • ⚠️ 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

Crepe Myrtle

Repotting Not applicable for outdoor trees. If grown in a container (not recommended), repot every 2-3 years.
Pruning Prune in late winter or early spring to remove dead or crossing branches and to shape the tree. Avoid excessive pruning, which can lead to weak growth.
Fertilizing Balanced fertilizer (10-10-10) in spring and early summer, diluted to half strength.
Seasonal Care Spring: Fertilize and prune. Summer: Water regularly and monitor for pests. Fall: Enjoy the colorful foliage. Winter: Protect from extreme cold in colder climates.

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

Crepe Myrtle

Full sun (at least 6-8 hours of direct sunlight per day)

Low light tolerant: ❌ No

Maltese Cross

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

Low light tolerant: ❌ No

💧 Watering Needs

Crepe Myrtle

Water deeply when the top few inches of soil are dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves and stunted growth. Signs of overwatering include yellowing leaves and soggy soil.

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

Crepe Myrtle

Temperature: 18-32°C

Humidity: 30-50%

Maltese Cross

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Crepe Myrtle

Crepe Myrtle

Lagerstroemia indica
Care: Expert Time: 30 minutes monthly (pruning, fertilizing, pest control) Beginner: No

Gardeners with sunny outdoor spaces who want a beautiful, flowering tree with year-round interest.

✅ Choose This Plant If...

  • You want a tree with stunning summer blooms.
  • You appreciate year-round visual interest with attractive bark and fall color.
  • You have a sunny outdoor space.
  • You are looking for a relatively low-maintenance tree once established.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have limited sunlight.
  • You are looking for an indoor plant.
  • You have pets that might ingest the plant.
  • You live in a very cold climate where the tree may not thrive.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure
🎨 Style: Traditional, Cottage, Southern
🏠 Apartment Friendly: No
⚠️ All parts of the Crepe Myrtle are considered toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and abdominal pain. The fruit and seeds are especially toxic.
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

☀️

Crepe Myrtle needs full sun (at least 6-8 hours of direct sunlight per day), while Maltese Cross prefers full sun (at least 6 hours of direct sunlight per day).

💡 Pro Tips For Comparing These Plants

Crepe Myrtle Care Tips

Crepe Myrtles are outdoor trees that require full sun and well-draining soil. They are not suitable for indoor growing due to their high light requirements and large size. Attempting to grow them indoors will likely result in a weak, unhealthy plant.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Prune in late winter or early spring to remove dead or crossing branches.
  • Fertilize in spring and early summer with a balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, protect young trees from frost by wrapping the trunk with burlap. Reduce watering during the winter months.
☀️ Summer: Water regularly during the summer months, especially during dry spells. Monitor for pests and diseases and treat promptly.

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

Crepe Myrtle

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

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

Crepe Myrtle

What are the light requirements for Crepe Myrtle?

Indoor Crepe Myrtles require bright, indirect light to thrive and produce their signature blooms. A south- or west-facing window is ideal, providing several hours of sunlight daily. If natural light is insufficient, supplement with grow lights. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing the Crepe Myrtle in direct sunlight, which can scorch the leaves. Signs of insufficient light include leggy growth, pale leaves, and a lack of flowering. During the winter months, when light levels are lower, consider providing additional artificial light to support healthy growth.

How do I care for Crepe Myrtle?

To ensure your indoor Crepe Myrtle thrives, provide bright, indirect light, ideally from a south- or west-facing window. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain a moderate humidity level by misting the foliage regularly or using a humidifier. Fertilize during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune in late winter or early spring to remove dead or crossing branches and to shape the plant. Repot every two to three years into a slightly larger pot with well-draining potting mix. Monitor for pests such as aphids or spider mites and treat promptly. Maintain stable temperatures between 65-75°F (18-24°C).

How do I propagate Crepe Myrtle?

Crepe Myrtles can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist in a humid environment until roots develop. For air layering, make a small incision on a stem, apply rooting hormone, and wrap the area with moist sphagnum moss. Cover the moss with plastic wrap and secure it tightly. Once roots develop, cut the stem below the wrapped area and plant it in a pot. Rooting can take several weeks to a few months. Maintain consistent moisture.

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: May 12, 2026 — Plant care data reviewed and verified by our editorial team.