Crown of Thorns vs Moreton Bay Fig Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
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.
Moreton Bay Fig
Ficus macrophylla
The Moreton Bay Fig is a massive evergreen tree characterized by its impressive buttress roots and wide-spreading canopy. In its native habitat, it can reach heights of over 60 meters. It is primarily an outdoor tree, valued for its shade and dramatic presence. It is not naturally an indoor plant, and maintaining it indoors long-term is challenging due to its size and light requirements. People grow it outdoors for its ornamental value and shade.
Quick Plant Comparison
| Feature | Crown of Thorns | Moreton Bay Fig |
|---|---|---|
| Light | Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering. | Full sun to partial shade. Requires 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% | 40-60% |
| Temperature | 18-27°C | 18-27°C |
| Care Level | Moderate | Expert |
| Growth Rate | Slow | Fast |
| Max Height | 0.3-0.6 meters (indoors) | Rarely exceeds 3 meters indoors, but can reach 60+ meters outdoors. |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining succulent or cactus mix | Well-draining soil mix, such as a blend of loam, sand, and perlite. |
| Beginner Friendly | With Caution | ❌ No |
| Weekly Maintenance | 10 minutes weekly | 30 minutes weekly (mostly watering and occasional pruning). |
🔬 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. |
Moreton Bay Fig
| Scientific Name | Ficus macrophylla |
|---|---|
| Family | Moraceae |
| Native To | Eastern Australia |
| Also Known As | Moreton Bay Fig, Australian Banyan |
| Leaves | The leaves are large, oval-shaped, and leathery, typically 10-20 cm long. They are dark green and glossy on the upper surface, with a paler green underside. New leaves emerge with a reddish tint. |
| Flowers | It rarely flowers indoors. Outdoors, it produces small, inconspicuous flowers within a syconium (a fig-like structure). |
📏 Size & Growth — Plant Comparison
Crown of Thorns
Moreton Bay Fig
🌱 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.
Moreton Bay Fig
Methods: Stem cuttings, Air layering, Seed
Difficulty: Moderate
Tips: Take stem cuttings in spring or summer. Use rooting hormone and provide warmth and humidity. Air layering is also effective.
✨ 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
Moreton Bay Fig
The Moreton Bay Fig is known for its massive size, buttress roots, and wide-spreading canopy. Its aerial roots can also develop into additional trunks, creating a unique and impressive structure. The tree's size and root system make it a dominant feature in any landscape.
- ✓ Provides significant shade in outdoor spaces.
- ✓ Adds a dramatic and unique aesthetic to the landscape.
- ✓ Can increase property value.
- ✓ Offers a habitat for birds and other wildlife.
- ✓ Provides a sense of grandeur and maturity to the garden.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Crown of Thorns
Moreton Bay Fig
🌞 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
Moreton Bay Fig
Full sun to partial shade. Requires 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.
Moreton Bay Fig
Water deeply when the topsoil is dry. Allow the soil to dry out slightly between waterings. Overwatering can lead to root rot. Underwatering will cause leaf drop and stunted growth. Ensure good drainage.
🌡️ Temperature & Humidity
Crown of Thorns
Temperature: 18-27°C
Humidity: 30-50%
Moreton Bay Fig
Temperature: 18-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Crown of Thorns
Euphorbia miliiExperienced 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.
Moreton Bay Fig
Ficus macrophyllaExperienced gardeners with outdoor space who appreciate large, statement trees.
✅ Choose This Plant If...
- You have ample outdoor space and want a large shade tree.
- You appreciate the dramatic appearance of buttress roots.
- You are an experienced gardener willing to provide the necessary care.
- You live in a warm climate where the tree can thrive.
- You want a long-lived tree that will become a significant landscape feature.
❌ Skip This Plant If...
- You have limited space, especially indoors.
- You are a beginner gardener.
- You have pets that might ingest the toxic plant parts.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Crown of Thorns is rated Moderate care level, while Moreton Bay Fig is Expert.
Crown of Thorns has slow growth, while Moreton Bay Fig grows fast.
💡 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.
Moreton Bay Fig Care Tips
The Moreton Bay Fig is primarily an outdoor tree and is challenging to grow indoors. It requires very bright light, consistent watering, and careful monitoring for pests. Its large size makes it unsuitable for most indoor spaces. Indoor growth will be significantly stunted compared to its outdoor potential.
- Provide ample sunlight, especially if attempting to grow indoors.
- Ensure excellent drainage to prevent root rot.
- Monitor regularly for pests and diseases.
- Prune to maintain shape and remove deadwood.
- Protect from frost in colder climates.
⚠️ Common Problems & Solutions — Plant Care Comparison
Crown of Thorns
Moreton Bay Fig
❓ 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).
Moreton Bay Fig
What are the light requirements for Moreton Bay Fig?
Moreton Bay Figs require bright, indirect light to thrive indoors. Placing them near a large east- or west-facing window is ideal, providing ample light without direct sun exposure. A south-facing window can also work, but it’s important to filter the light with a sheer curtain to prevent leaf burn. Insufficient light can lead to leggy growth and leaf drop. Rotate the plant regularly to ensure all sides receive adequate light. If natural light is limited, consider supplementing with a grow light. The light should be consistent.
How do I care for Moreton Bay Fig?
The Moreton Bay Fig thrives in bright, indirect light; avoid direct sunlight which can scorch the leaves. Water thoroughly when the top inch of soil is dry, allowing excess water to drain away. Overwatering can lead to root rot, so ensure the pot has drainage holes. Maintain a consistent temperature between 65-75°F (18-24°C) and avoid sudden temperature fluctuations. These plants appreciate humidity; mist the leaves regularly or use a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune occasionally to maintain shape and remove any dead or damaged branches. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Rotate the plant regularly to ensure even growth on all sides. Keep the pot clean.
How do I propagate Moreton Bay Fig?
Moreton Bay Figs can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and cover with a plastic bag to maintain humidity. Keep in a warm, bright location until roots develop. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover with plastic wrap. Once roots develop, cut the stem below the roots and plant in potting mix. Propagation is best done in the spring or summer. Always use clean tools. Patience is key.
Last updated: May 1, 2026 — Plant care data reviewed and verified by our editorial team.