Crepe Myrtle vs Hollyhock 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
Hollyhock

Hollyhock

Alcea rosea

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
Hollyhock

Hollyhock

Alcea rosea

Hollyhocks are tall, stately biennials or short-lived perennials, typically grown as annuals. They are known for their impressive height, often reaching 6-8 feet, and their large, showy, saucer-shaped flowers that bloom along the upright stalks. Flowers come in a wide range of colors, including pink, red, white, yellow, and purple. Hollyhocks are primarily outdoor plants, valued for their cottage garden charm and ability to attract pollinators. They are not suited for indoor growing due to their size and high light requirements.

Malvaceae Southwest Asia and Southeast Europe, though its exact origin is debated.
✨ Features: Attracts pollinators (bees, butterflies, hummingbirds), adds vertical interest to gardens.
📖 Read Complete Hollyhock Guide

Quick Plant Comparison

Feature Crepe Myrtle Hollyhock
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun (at least 6-8 hours of direct sunlight daily)
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 3-7 days, depending on weather and soil drainage.
Humidity 30-50% 30-50%
Temperature 18-32°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Not suitable for indoor growing; outdoors: 4.5-7.5 meters (15-25 feet) N/A (Outdoor plant, unsuitable for indoor growing)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil Well-draining, fertile soil amended with compost or other organic matter.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (pruning, fertilizing, pest control) 15 minutes weekly

🔬 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.

Hollyhock

Scientific Name Alcea rosea
Family Malvaceae
Native To Southwest Asia and Southeast Europe, though its exact origin is debated.
Also Known As Hollyhock, Garden Hollyhock
Leaves Large, rounded, heart-shaped leaves with a slightly rough texture. Leaves are typically medium green in color and have lobed edges.
Flowers Hollyhocks produce large, saucer-shaped flowers that bloom along the upright stalks. Flowers come in a wide range of colors, including pink, red, white, yellow, and purple. They rarely, if ever, flower indoors.

📏 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.

Hollyhock

Height N/A (Outdoor plant, unsuitable for indoor growing)
Spread 1-2 feet
Growth Rate Fast
Growth Pattern Upright, single-stemmed or multi-stemmed plant with a tall, vertical growth habit. Flowers bloom along the upper portion of the stem.

🌱 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.

Hollyhock

Methods: Seed, Division

Difficulty: Easy

Tips: For seed propagation, sow seeds directly in the garden in spring or start indoors 6-8 weeks before the last frost. For division, divide established clumps in early spring or fall.

✨ 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

Hollyhock

Hollyhocks are known for their impressive height and showy, upright flower stalks. They are a classic cottage garden plant and attract a variety of pollinators. Their tall stature makes them a striking addition to any garden.

  • ✓ Attracts pollinators to your garden
  • ✓ Adds vertical interest and visual appeal to your landscape
  • ✓ Provides cut flowers for bouquets
  • ✓ Offers a touch of nostalgia and old-fashioned charm
  • ✓ Can be used medicinally (consult a professional)
  • ⚠️ 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.

Hollyhock

Repotting N/A (Outdoor plant)
Pruning Cut back flower stalks after blooming to encourage further flowering or to prevent self-seeding. Remove any dead or diseased foliage.
Fertilizing Balanced fertilizer (10-10-10) applied monthly during the growing season at half strength.
Seasonal Care In spring, plant seeds or seedlings. In summer, water regularly and fertilize monthly. In fall, cut back stalks after flowering. In winter, protect from frost in colder climates.

🌞 Light Requirements

Crepe Myrtle

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

Low light tolerant: ❌ No

Hollyhock

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

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.

Hollyhock

Water deeply when the top inch of soil feels dry. Avoid overhead watering to prevent fungal diseases. Overwatering can lead to root rot, while underwatering will cause wilting and stunted growth.

🌡️ Temperature & Humidity

Crepe Myrtle

Temperature: 18-32°C

Humidity: 30-50%

Hollyhock

Temperature: 15-27°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.
Hollyhock

Hollyhock

Alcea rosea
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners with sunny outdoor spaces who want to attract pollinators and add vertical interest to their gardens.

✅ Choose This Plant If...

  • You have a sunny garden and want to attract pollinators.
  • You love the cottage garden aesthetic.
  • You want a tall, flowering plant to add vertical interest to your landscape.
  • You enjoy growing cut flowers.
  • You are looking for a relatively low-maintenance plant once established.

❌ Skip This Plant If...

  • You only have indoor space.
  • You have pets that might ingest the plant.
  • You live in a very shady area.
📍 Ideal Location: Sunny garden bed or border.
🎨 Style: Cottage, Traditional, Romantic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Hollyhock is toxic to horses, dogs, and cats. The toxic principles are unknown. Symptoms include dermatitis (skin irritation).

🎯 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 Hollyhock prefers full sun (at least 6-8 hours of direct sunlight daily).

📈

Crepe Myrtle has moderate growth, while Hollyhock grows fast.

💡 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.

Hollyhock Care Tips

Hollyhocks are outdoor plants that require full sun and well-drained soil. They are susceptible to rust and other fungal diseases. Growing them indoors is extremely challenging due to their high light and space requirements. They are not suitable for indoor cultivation.

  • Plant in well-draining soil to prevent root rot.
  • Provide support for tall stalks to prevent them from falling over.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Remove spent flowers to encourage continued blooming.
  • Monitor for rust and other fungal diseases and treat promptly.
❄️ Winter: In colder climates, mulch around the base of the plant to protect the roots from frost. Cut back dead foliage.
☀️ Summer: Water regularly during hot, dry weather. Provide support for tall stalks to prevent them from falling over. Monitor for pests and diseases.

⚠️ 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.

Hollyhock

Common Issues: Rust, Japanese beetles, Spider mites, Aphids
Solutions: Rust: Remove and destroy infected leaves, improve air circulation, and apply a fungicide. | Japanese beetles: Handpick beetles or use insecticidal soap. | Spider mites: Increase humidity and spray with insecticidal soap. | 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.

Hollyhock

What are the light requirements for Hollyhock?

Hollyhocks thrive in full sun, requiring at least 6 hours of direct sunlight each day to produce abundant blooms. Insufficient sunlight can result in leggy growth, fewer flowers, and increased susceptibility to diseases like rust. Choose a planting location that receives ample sunlight throughout the day.

How do I care for Hollyhock?

Hollyhocks require full sun (at least 6 hours daily) and well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize in spring with a balanced fertilizer to promote strong growth and abundant blooms. Deadhead spent flowers to encourage further flowering and prevent self-seeding if desired.

How do I propagate Hollyhock?

Hollyhocks can be propagated by seed, division, or basal cuttings. For seed propagation, sow seeds in spring or fall. For division, carefully dig up established plants in spring or fall and separate the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions immediately.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.