Candytuft vs Crepe Myrtle Plant Comparison

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

Candytuft

Candytuft

Iberis sempervirens

VS
Crepe Myrtle

Crepe Myrtle

Lagerstroemia indica

Candytuft

Candytuft

Iberis sempervirens

Iberis sempervirens, commonly known as Candytuft, is a low-growing, spreading evergreen perennial. It forms a dense mat of dark green, linear leaves and produces masses of small, white flowers in spring, creating a snow-like effect. While primarily an outdoor plant valued for its ground cover and spring blooms in rock gardens and borders, it is not ideally suited for indoor cultivation due to its high light requirements and need for cooler temperatures to thrive. People grow it for its early spring blooms and drought tolerance.

Brassicaceae Southern Europe
✨ Features: Drought tolerant, Attracts pollinators
📖 Read Complete Candytuft Guide
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

Quick Plant Comparison

Feature Candytuft Crepe Myrtle
Light Full sun (at least 6 hours of direct sunlight per day) Full sun (at least 6-8 hours of direct sunlight per day)
Watering Every 1-2 weeks, depending on weather and soil drainage 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.
Humidity 30-50% 30-50%
Temperature 10-24°C 18-32°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 15-30 cm (indoors unlikely to reach this) Not suitable for indoor growing; outdoors: 4.5-7.5 meters (15-25 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a sandy loam or a mix of potting soil and perlite Well-draining, slightly acidic soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5 minutes weekly (mostly pruning spent flowers) 30 minutes monthly (pruning, fertilizing, pest control)

🔬 Botanical Information — Comparing These Plants

Candytuft

Scientific Name Iberis sempervirens
Family Brassicaceae
Native To Southern Europe
Also Known As Evergreen Candytuft, Perennial Candytuft
Leaves The leaves are dark green, linear, and evergreen, providing year-round interest. They are typically 2-5 cm long and 2-3 mm wide.
Flowers It rarely flowers indoors. Outdoors, it produces masses of small, white flowers in spring. The flowers are clustered together in flat-topped corymbs, creating a showy display.

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.

📏 Size & Growth — Plant Comparison

Candytuft

Height 15-30 cm (indoors unlikely to reach this)
Spread 30-60 cm (outdoors), less indoors
Growth Rate Moderate
Growth Pattern It grows as a low-spreading, mat-forming perennial. It typically reaches a height of 15-30 cm and spreads 30-60 cm, creating a dense ground cover.

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.

🌱 Propagation — Comparing Plant Growth

Candytuft

Methods: Stem cuttings, Seed, Division

Difficulty: Easy

Tips: Take stem cuttings in late spring or early summer. Root them in a well-draining potting mix. Division can be done in early spring or fall.

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.

✨ Benefits & Features — Comparing Plant Value

Candytuft

Candytuft is known for its masses of small, white flowers that create a snow-like effect in spring. It is also drought-tolerant and relatively deer-resistant, making it a low-maintenance choice for gardens.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides early spring color.
  • ✓ Drought-tolerant once established.
  • ✓ Low-maintenance ground cover.
  • ✓ Deer-resistant.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Candytuft

Repotting Not applicable for indoor growing, as it's not recommended. If attempted, repot only if severely root-bound.
Pruning Prune lightly after flowering to maintain shape and encourage bushier growth.
Fertilizing Balanced slow-release fertilizer in early spring
Seasonal Care Prune lightly after flowering to maintain shape. In winter, provide protection from harsh winds and heavy snow.

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.

🌞 Light Requirements

Candytuft

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

Low light tolerant: ❌ No

Crepe Myrtle

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

Low light tolerant: ❌ No

💧 Watering Needs

Candytuft

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 a musty smell. Underwatering is indicated by wilting and dry, crispy leaves.

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.

🌡️ Temperature & Humidity

Candytuft

Temperature: 10-24°C

Humidity: 30-50%

Crepe Myrtle

Temperature: 18-32°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Candytuft

Candytuft

Iberis sempervirens
Care: Expert Time: 5 minutes weekly (mostly pruning spent flowers) Beginner: No

Gardeners looking for a low-maintenance, drought-tolerant ground cover with spring blooms.

✅ Choose This Plant If...

  • You want a low-maintenance ground cover for your garden.
  • You need a drought-tolerant plant for a sunny location.
  • You desire a plant that attracts pollinators.
  • You want a plant with early spring blooms.
  • You appreciate a plant that is relatively deer-resistant.

❌ Skip This Plant If...

  • You need a plant that thrives indoors.
  • You have pets that might ingest it.
  • You live in a very shady area.
📍 Ideal Location: Outdoor rock garden or sunny border
🎨 Style: Cottage, Mediterranean, Rock Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Candytuft contains glucosinolates, which can cause vomiting, diarrhea, and irritation of the mouth and throat in dogs, cats, and horses. All parts of the plant are considered toxic.
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.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

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

📈

Candytuft has moderate growth, while Crepe Myrtle grows moderate.

💡 Pro Tips For Comparing These Plants

Candytuft Care Tips

Candytuft is primarily an outdoor plant and requires full sun and well-draining soil. It is challenging to grow indoors due to its high light requirements and need for cooler temperatures. Indoor cultivation is not recommended.

  • Plant in well-draining soil to prevent root rot.
  • Prune lightly after flowering to maintain shape.
  • Provide full sun for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize in early spring with a balanced slow-release fertilizer.
❄️ Winter: In winter, provide protection from harsh winds and heavy snow. Mulch around the base of the plant to help insulate the roots.
☀️ Summer: Water more frequently during hot, dry weather. Prune lightly after flowering to maintain shape and encourage bushier growth.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Candytuft

Common Issues: Root rot, Aphids, Poor flowering
Solutions: Ensure well-draining soil and avoid overwatering. Treat aphids with insecticidal soap. Provide adequate sunlight for flowering.

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.

❓ Frequently Asked Questions — Comparing These Plants

Candytuft

What are the light requirements for Candytuft?

Candytuft demands ample sunlight to flourish. Aim for at least six hours of direct sunlight daily. A south-facing location is ideal, providing the most intense sunlight. If grown indoors, place Candytuft near a sunny window. Insufficient light can lead to leggy growth, reduced blooming, and pale foliage.

How do I care for Candytuft?

Candytuft thrives in full sun, requiring at least six hours of direct sunlight daily for optimal blooming. Plant in well-draining soil, ideally a sandy or loamy mix with a slightly alkaline pH. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Allow the soil to dry slightly between waterings.

How do I propagate Candytuft?

Candytuft can be propagated through division, stem cuttings, and seeds. Division is best done in spring or fall. Carefully dig up the plant and divide the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions immediately.

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.

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