Crown of Thorns vs Strawflower Plant Comparison

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

Crown of Thorns

Crown of Thorns

Euphorbia milii

VS
Strawflower

Strawflower

Xerochrysum bracteatum

Crown of Thorns

Crown of Thorns

Euphorbia milii

Euphorbia milii, commonly known as Crown of Thorns, is a succulent shrub characterized by its thorny stems and vibrant bracts surrounding small, inconspicuous flowers. Native to Madagascar, it is a popular ornamental plant grown for its drought tolerance and long-lasting blooms. It typically grows as a sprawling shrub, reaching up to 1-2 meters in height. While it can be grown indoors, it thrives best with ample sunlight, often making it more suitable as an outdoor plant in warmer climates. People grow it for its unique appearance and relatively easy care.

Euphorbiaceae Madagascar
✨ Features: Long-lasting blooms, drought tolerance
📖 Read Complete Crown of Thorns Guide
Strawflower

Strawflower

Xerochrysum bracteatum

Strawflower (Xerochrysum bracteatum) is an annual or short-lived perennial native to Australia. It's characterized by its papery, daisy-like flowerheads that come in a wide array of colors, including white, yellow, orange, pink, red, and bronze. The plant typically grows to a height of 2 to 3 feet. It is primarily grown outdoors for its vibrant flowers, which retain their color and shape when dried, making them popular for dried flower arrangements. While technically possible to grow indoors, it requires very bright light and is challenging to maintain.

Asteraceae Australia
✨ Features: Excellent for dried flower arrangements; attracts pollinators.
📖 Read Complete Strawflower Guide

Quick Plant Comparison

Feature Crown of Thorns Strawflower
Light Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering. Full sun (at least 6 hours of direct sunlight daily)
Watering Every 2-3 weeks, depending on environmental conditions and pot size. Every 1-2 weeks, depending on weather and soil drainage.
Humidity 30-50% 30-50%
Temperature 18-27°C 18-27°C
Care Level Moderate Expert
Growth Rate Slow Moderate
Max Height 0.3-0.6 meters (indoors) 0.6-0.9 meters (2-3 feet) outdoors; smaller indoors if grown
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining succulent or cactus mix Well-draining potting mix or garden soil
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Crown of Thorns

Scientific Name Euphorbia milii
Family Euphorbiaceae
Native To Madagascar
Also Known As Crown of Thorns, Christ Plant, Christ Thorn
Leaves The leaves are small, oval-shaped, and typically bright green. They are deciduous, meaning they may drop off during periods of stress or dormancy, especially in winter.
Flowers It can flower indoors, but flowering is more prolific with ample sunlight. The true flowers are small and inconspicuous, surrounded by colorful bracts that can be red, pink, yellow, or white.

Strawflower

Scientific Name Xerochrysum bracteatum
Family Asteraceae
Native To Australia
Also Known As Strawflower, Golden everlasting
Leaves The leaves are lance-shaped, slightly hairy, and typically green to grayish-green in color. They are arranged alternately along the stems.
Flowers Flowers readily outdoors. The flowerheads are daisy-like with papery bracts in a variety of colors, surrounding a yellow center. They bloom profusely throughout the summer and fall.

📏 Size & Growth — Plant Comparison

Crown of Thorns

Height 0.3-0.6 meters (indoors)
Spread 0.3-0.5 meters
Growth Rate Slow
Growth Pattern The plant grows as an upright, branching shrub with thick, thorny stems. It can become somewhat sprawling as it matures, especially if not pruned regularly.

Strawflower

Height 0.6-0.9 meters (2-3 feet) outdoors; smaller indoors if grown
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Upright, bushy growth habit, typically reaching 2-3 feet in height and 1-2 feet in spread.

🌱 Propagation — Comparing Plant Growth

Crown of Thorns

Methods: Stem cuttings

Difficulty: Easy

Tips: Allow the cut end to callus over for a few days before planting in well-draining soil. Use rooting hormone for better success.

Strawflower

Methods: Seed, Stem cuttings

Difficulty: Easy

Tips: For seeds, sow indoors 6-8 weeks before the last frost or directly outdoors after the last frost. For stem cuttings, take 4-6 inch cuttings in spring or summer and root them in water or moist potting mix.

✨ Benefits & Features — Comparing Plant Value

Crown of Thorns

The Crown of Thorns is unique due to its thorny stems and the colorful bracts that surround its small flowers. Unlike many flowering plants, the bracts provide color for extended periods, making it a long-lasting ornamental plant.

  • ✓ Drought tolerance makes it easy to care for
  • ✓ Long-lasting blooms add color to your space
  • ✓ Unique appearance provides visual interest
  • ✓ Can tolerate neglect, making it suitable for busy individuals
  • ✓ Adds a touch of history and symbolism to your plant collection
  • ⚠️ Toxic to pets

Strawflower

The papery bracts of the flowers are unique and retain their color and shape when dried, making them ideal for dried flower arrangements. They are also attractive to pollinators.

  • ✓ Provides beautiful cut flowers for arrangements.
  • ✓ Attracts beneficial pollinators to the garden.
  • ✓ Adds vibrant color to outdoor spaces.
  • ✓ Dried flowers retain their color for long-lasting beauty.
  • ✓ Relatively easy to grow from seed.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Crown of Thorns

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged stems. Wear gloves to avoid skin irritation from the sap.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 2-3 months during the growing season (spring/summer).
Seasonal Care Reduce watering in winter. Provide bright light year-round. Protect from frost.

Strawflower

Repotting Not typically repotted as it's an annual or short-lived perennial. If grown in containers, repot in spring if necessary.
Pruning Deadhead spent flowers regularly to encourage more blooms.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and allow the plant to dry out slightly before winter. In colder climates, treat as an annual or bring indoors with supplemental lighting.

🌞 Light Requirements

Crown of Thorns

Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering.

Low light tolerant: ❌ No

Strawflower

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

Low light tolerant: ❌ No

💧 Watering Needs

Crown of Thorns

Allow the soil to dry out completely between waterings. Overwatering can lead to root rot. Water thoroughly when the soil is dry to the touch. Signs of overwatering include yellowing leaves and stem rot. Underwatering will cause leaf drop and shriveling.

Strawflower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Allow the soil to drain completely after watering. Signs of overwatering include yellowing leaves and a soggy soil surface. Underwatering is indicated by wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Crown of Thorns

Temperature: 18-27°C

Humidity: 30-50%

Strawflower

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Crown of Thorns

Crown of Thorns

Euphorbia milii
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Experienced plant owners who can provide bright light and are aware of the plant's toxicity.

✅ Choose This Plant If...

  • You want a drought-tolerant plant that flowers for a long period.
  • You have a sunny location where the plant can thrive.
  • You are experienced with caring for succulents and understand their watering needs.
  • You are looking for a unique and interesting plant with a historical connection.
  • You can keep the plant away from pets and children due to its toxicity.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You cannot provide adequate sunlight.
  • You tend to overwater plants.
  • You are looking for a low-maintenance plant that thrives in low-light conditions.
📍 Ideal Location: South-facing window or sunny patio
🎨 Style: Desert, Southwestern, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant contain a milky sap that is toxic to dogs, cats, and horses. Symptoms include oral irritation, vomiting, diarrhea, and skin irritation upon contact. According to the ASPCA, ingestion can cause gastrointestinal upset and skin irritation.
Strawflower

Strawflower

Xerochrysum bracteatum
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for colorful, long-lasting flowers for cutting and drying.

✅ Choose This Plant If...

  • You want flowers that can be dried and used in arrangements.
  • You need a plant that attracts pollinators to your garden.
  • You have a sunny outdoor space.
  • You want a variety of bright colors in your garden.
  • You enjoy the process of deadheading to encourage more blooms.

❌ Skip This Plant If...

  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
  • You live in a very humid climate where powdery mildew is prevalent.
📍 Ideal Location: Sunny garden bed or container outdoors
🎨 Style: Cottage, Rustic, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Strawflower (Xerochrysum bracteatum) is not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Strawflower ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Crown of Thorns is rated Moderate care level, while Strawflower is Expert.

📈

Crown of Thorns has slow growth, while Strawflower grows moderate.

💡 Pro Tips For Comparing These Plants

Crown of Thorns Care Tips

Crown of Thorns requires bright sunlight and well-draining soil. Overwatering is a common issue. It can be grown indoors with sufficient light, but may not flower as profusely as when grown outdoors. Toxicity to pets is a significant concern.

  • Provide at least 4-6 hours of direct sunlight daily for optimal growth and flowering.
  • Allow the soil to dry out completely between waterings to prevent root rot.
  • Use a well-draining succulent or cactus mix to ensure proper drainage.
  • Fertilize sparingly during the growing season with a balanced liquid fertilizer.
  • Wear gloves when pruning or handling the plant to avoid skin irritation from the sap.
❄️ Winter: Reduce watering significantly during the winter months. Ensure the plant receives as much sunlight as possible. Protect from frost.
☀️ Summer: Water more frequently during the summer growing season, but still allow the soil to dry out between waterings. Provide adequate ventilation to prevent fungal diseases.

Strawflower Care Tips

Strawflower is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. It is relatively drought-tolerant once established. Regular deadheading encourages more blooms. It is not a good choice for indoor growing unless you can provide intense supplemental light.

  • Provide full sun for best flowering.
  • Deadhead spent blooms regularly to encourage more flowers.
  • Ensure well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
❄️ Winter: In colder climates, treat as an annual. In milder climates, reduce watering and protect from frost. If bringing indoors, provide supplemental lighting.
☀️ Summer: Provide regular watering and fertilization. Deadhead spent blooms to encourage more flowers. Protect from intense afternoon sun in very hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Crown of Thorns

Common Issues: Root rot, spider mites, mealybugs, leaf drop
Solutions: Root rot: Improve drainage, reduce watering frequency. Spider mites: Insecticidal soap or neem oil. Mealybugs: Isopropyl alcohol or insecticidal soap. Leaf drop: Adjust watering and light levels.

Strawflower

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

❓ Frequently Asked Questions — Comparing These Plants

Crown of Thorns

What are the light requirements for Crown of Thorns?

Crown of Thorns requires bright, direct sunlight to thrive. Ideally, place it in a south-facing window where it can receive at least 4-6 hours of sunlight per day. Insufficient light can lead to leggy growth, reduced flowering, and a loss of vibrancy in the bracts. If you don’t have a sufficiently sunny window, consider supplementing with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. During the summer months, you can move your Crown of Thorns outdoors to a sunny location, but be sure to acclimate it gradually to avoid sunburn. The plant’s ability to flower profusely depends on adequate light.

How do I care for Crown of Thorns?

Crown of Thorns thrives on neglect, making it an easy-care succulent. Plant it in well-draining soil, such as a cactus mix, to prevent root rot. Provide it with bright, direct sunlight for at least 4-6 hours daily. Water sparingly, allowing the soil to dry completely between waterings. Reduce watering frequency during the dormant winter months. Fertilize lightly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Maintain a room temperature between 65-75°F (18-24°C). Avoid overwatering, as this is the most common cause of problems. Repot every 2-3 years, or when the plant becomes root-bound. Prune to maintain shape and remove dead or damaged stems. Be cautious of the milky sap, which can be irritating to the skin and eyes.

How do I propagate Crown of Thorns?

Crown of Thorns can be propagated through stem cuttings. Allow the cut end to callous over for several days before planting in well-draining soil. Keep the soil slightly moist until roots develop. Leaf cuttings are not generally successful. Offsets, or small plantlets that grow at the base of the plant, can be carefully separated and potted individually. Wear gloves to protect your skin from the irritating sap. Rooting hormone can improve the success rate of stem cuttings. Provide bright, indirect light during the rooting process. Avoid overwatering, as this can lead to rot. Propagation is best done during the growing season (spring and summer).

Strawflower

What are the light requirements for Strawflower?

Strawflowers need at least 6-8 hours of direct sunlight daily to thrive and produce abundant blooms. When grown indoors, place them near a south-facing window where they can receive ample sunlight. If natural light is insufficient, supplement with grow lights to ensure adequate light exposure. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Seedlings require bright, indirect light before being gradually introduced to full sun. Light intensity is crucial for vibrant flower colors and overall plant health.

How do I care for Strawflower?

Strawflowers thrive in full sun and well-draining soil. Water regularly, allowing the soil to dry slightly between waterings, especially during hot weather. Fertilize every 2-3 weeks with a balanced, water-soluble fertilizer during the growing season to encourage abundant blooms. Deadhead spent flowers to promote continued blooming. Provide support for taller varieties to prevent them from flopping over. Ensure good air circulation to prevent fungal diseases. In cooler climates, treat strawflowers as annuals or bring them indoors before the first frost. Protect from strong winds. Monitor for pests like aphids and spider mites, and treat promptly if necessary. Regularly inspect plants for signs of disease and address them quickly.

How do I propagate Strawflower?

Strawflowers are easily propagated from seeds. Sow seeds directly into the garden after the last frost or start them indoors 6-8 weeks earlier. Press the seeds lightly into the soil and keep them moist. Germination typically occurs within 7-14 days. Strawflowers can also be propagated by stem cuttings. Take 4-6 inch cuttings from healthy stems, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cuttings in well-draining soil and keep them moist until roots develop. While not as common, division is also possible. Carefully dig up the plant and separate the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.