Longan vs Olive Tree Plant Comparison

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

Longan

Longan

Dimocarpus longan

VS
Olive Tree

Olive Tree

Olea europaea

Longan

Longan

Dimocarpus longan

Longan is a tropical tree that produces small, round, brownish fruits with translucent white flesh surrounding a black seed, resembling an eye, hence the name 'Dragon Eye'. It's primarily an outdoor tree, reaching heights of 30-40 feet. People grow it for its delicious fruit, which is eaten fresh, dried, or used in desserts and traditional medicine. Cultivating longan indoors is extremely challenging due to its size and high light requirements.

Sapindaceae Southeast Asia, specifically Myanmar and Southern China
✨ Features: Delicious and nutritious fruit, attractive foliage, potential shade tree.
📖 Read Complete Longan Guide
Olive Tree

Olive Tree

Olea europaea

The Olive tree (Olea europaea) is an evergreen tree or shrub, known for its silvery-green leaves and fruit, the olive. It is a long-lived plant, often grown for its ornamental value, edible olives, and olive oil production. While it can be grown in containers, it thrives outdoors in warm climates with full sun. Indoor cultivation presents challenges due to its high light requirements and need for a distinct winter dormancy period. People grow it for its Mediterranean aesthetic and potential fruit production.

Oleaceae Mediterranean Basin
✨ Features: Produces edible olives (with proper care and pollination), attractive silvery-green foliage, drought-tolerant once established.
📖 Read Complete Olive Tree Guide

Quick Plant Comparison

Feature Longan Olive Tree
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 1-2 weeks, depending on weather and soil drainage (outdoors). Indoor cultivation is unlikely to succeed. Every 2-4 weeks, depending on environmental conditions and pot size. Less frequent in winter.
Humidity 50-70% 30-50%
Temperature 20-30°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Slow
Max Height Not applicable indoors. Outdoors: 9-12 meters (30-40 feet) 2-3 meters (indoors in containers); 8-15 meters (outdoors)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, slightly acidic soil (pH 6.0-6.5) Well-draining, slightly alkaline soil. A mix of potting soil, sand, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (for watering, fertilizing, and pest control) 30 minutes weekly (watering, fertilizing, pest control)

🔬 Botanical Information — Comparing These Plants

Longan

Scientific Name Dimocarpus longan
Family Sapindaceae
Native To Southeast Asia, specifically Myanmar and Southern China
Also Known As Longan, Dragon Eye Fruit
Leaves The leaves are pinnately compound, with 6-9 pairs of leaflets. The leaflets are oblong-lanceolate, glossy green, and 5-15 cm long.
Flowers Longan produces small, yellowish-white flowers in panicles. Flowering typically occurs in spring, followed by fruit development in summer.

Olive Tree

Scientific Name Olea europaea
Family Oleaceae
Native To Mediterranean Basin
Also Known As Olive, European Olive
Leaves The leaves are lanceolate (long and narrow), about 5-8 cm long, and have a distinctive silvery-green color due to tiny scales on the underside. They are evergreen and arranged oppositely on the branches.
Flowers Olive trees can flower indoors, but it is rare and requires very specific conditions. The flowers are small, white, and fragrant, appearing in clusters in spring. Pollination is required for fruit production, which can be achieved by hand-pollinating indoors.

📏 Size & Growth — Plant Comparison

Longan

Height Not applicable indoors. Outdoors: 9-12 meters (30-40 feet)
Spread Not applicable indoors. Outdoors: 6-9 meters (20-30 feet)
Growth Rate Moderate
Growth Pattern The longan tree grows upright with a spreading canopy. It can reach heights of 30-40 feet outdoors.

Olive Tree

Height 2-3 meters (indoors in containers); 8-15 meters (outdoors)
Spread 1-2 meters (indoors in containers); 5-10 meters (outdoors)
Growth Rate Slow
Growth Pattern Olive trees have an upright growth habit, developing a sturdy trunk and branching structure. In containers, they tend to be smaller and more shrub-like. They can be trained into various shapes through pruning.

🌱 Propagation — Comparing Plant Growth

Longan

Methods: Seed, Air layering, Grafting

Difficulty: Moderate

Tips: For seed propagation, use fresh seeds. Air layering and grafting are more reliable methods for preserving desirable traits.

Olive Tree

Methods: Stem cuttings, air layering, seed (difficult)

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late spring or early summer. Use rooting hormone and provide bottom heat. Air layering is also a viable option.

✨ Benefits & Features — Comparing Plant Value

Longan

The translucent white flesh surrounding the black seed gives the fruit its characteristic 'Dragon Eye' appearance. It's a tropical fruit tree that thrives in warm climates and produces sweet, juicy fruit.

  • ✓ Delicious and nutritious fruit source
  • ✓ Provides shade in hot climates
  • ✓ Aesthetically pleasing tree with attractive foliage
  • ✓ Can be used in traditional medicine
  • ✓ Supports local biodiversity by attracting pollinators
  • ⚠️ Toxic to pets

Olive Tree

The Olive tree is known for its longevity, often living for hundreds of years. Its silvery-green foliage and gnarled trunk create a distinctive Mediterranean aesthetic. It's also one of the few fruit-bearing trees that can be successfully grown in containers, although fruiting indoors is challenging.

  • ✓ Provides a Mediterranean aesthetic
  • ✓ Offers potential for olive production
  • ✓ Drought-tolerant once established
  • ✓ Long-lived and can become a cherished heirloom
  • ✓ Can improve air quality by absorbing carbon dioxide
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Longan

Repotting Not applicable for indoor growing. Outdoor trees may need transplanting as they grow.
Pruning Prune to maintain shape, remove dead or diseased branches, and improve air circulation.
Fertilizing Balanced fertilizer (10-10-10) every 2-3 months during the growing season (spring and summer)
Seasonal Care During the growing season (spring and summer), water and fertilize regularly. Protect from frost in winter. Dormancy is not pronounced in tropical climates.

Olive Tree

Repotting Every 2-3 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Prune in late winter or early spring to remove dead or crossing branches and to shape the tree. Prune lightly to encourage fruiting.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring/summer).
Seasonal Care In winter, reduce watering and provide a cool dormancy period (around 10-15°C). In summer, increase watering and ensure adequate sunlight. Protect from frost in colder climates.

🌞 Light Requirements

Longan

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

Low light tolerant: ❌ No

Olive Tree

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

Low light tolerant: ❌ No

💧 Watering Needs

Longan

Water deeply when the topsoil feels dry to the touch. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

Olive Tree

Allow the soil to dry out significantly between waterings. Water thoroughly when the top 2-3 inches of soil are dry. Overwatering can lead to root rot. Signs of underwatering include drooping leaves and dry, brittle soil. Signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Longan

Temperature: 20-30°C

Humidity: 50-70%

Olive Tree

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Longan

Longan

Dimocarpus longan
Care: Expert Time: 30 minutes weekly (for watering, fertilizing, and pest control) Beginner: No

Gardeners in tropical or subtropical climates with ample outdoor space who want to grow their own fruit.

✅ Choose This Plant If...

  • You live in a tropical or subtropical climate with warm temperatures year-round.
  • You have ample outdoor space to accommodate a large tree.
  • You are interested in growing your own exotic fruit.
  • You are willing to provide the tree with full sun and proper care.
  • You enjoy the taste and nutritional benefits of longan fruit.

❌ Skip This Plant If...

  • You live in a cold climate with freezing temperatures.
  • You have limited outdoor space.
  • You are looking for an easy-to-care-for houseplant.
  • You are not able to provide the tree with full sun.
  • You have pets that might ingest the plant.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Tropical
🏠 Apartment Friendly: No
⚠️ While specific data on longan toxicity to pets is limited, other members of the Sapindaceae family contain compounds that can be harmful. It is best to assume that all parts of the longan tree, including the fruit, leaves, and seeds, could be toxic to dogs, cats, and horses. Symptoms may include vomiting, diarrhea, and abdominal pain. The seed poses a choking hazard.
Olive Tree

Olive Tree

Olea europaea
Care: Expert Time: 30 minutes weekly (watering, fertilizing, pest control) Beginner: No

Experienced plant enthusiasts in warm climates who can provide ample sunlight and proper care.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want a low-maintenance tree once established.
  • You appreciate the Mediterranean aesthetic.
  • You are interested in potentially harvesting your own olives.
  • You have experience with challenging plant species.

❌ Skip This Plant If...

  • You live in a cold climate with limited sunlight.
  • You are a beginner plant owner.
  • You do not have a sunny outdoor space.
  • You are looking for a low-effort indoor plant.
  • You are not prepared to provide a cool winter dormancy period.
📍 Ideal Location: Sunny patio, balcony, or greenhouse. Indoors: Brightest south-facing window with supplemental lighting.
🎨 Style: Mediterranean, Rustic, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, the Olive tree is not toxic to dogs, cats, or horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Longan has moderate growth, while Olive Tree grows slow.

💡 Pro Tips For Comparing These Plants

Longan Care Tips

Longan is primarily an outdoor tree requiring full sun, warm temperatures, and well-draining soil. Indoor cultivation is extremely difficult due to its size, light requirements, and need for specific humidity levels. It's not a suitable houseplant.

  • Ensure well-draining soil to prevent root rot.
  • Fertilize regularly during the growing season.
  • Protect from frost in colder climates.
  • Prune to maintain shape and improve air circulation.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect from frost by covering the tree or moving it to a sheltered location. Reduce watering during the dormant season.
☀️ Summer: Water regularly during hot, dry weather. Fertilize every 2-3 months. Monitor for pests and diseases.

Olive Tree Care Tips

Olive trees are best suited for outdoor environments with ample sunlight. Indoor cultivation is challenging due to high light requirements, humidity control, and the need for a cool dormancy period. Consistent watering and proper fertilization are essential for healthy growth.

  • Provide at least 6-8 hours of direct sunlight daily.
  • Allow the soil to dry out significantly between waterings.
  • Fertilize regularly during the growing season.
  • Provide a cool, dry dormancy period in winter.
  • Prune annually to maintain shape and encourage fruiting.
❄️ Winter: Reduce watering significantly. Provide a cool dormancy period with temperatures around 10-15°C. Avoid fertilizing. Ensure adequate light, even during winter.
☀️ Summer: Increase watering frequency. Provide ample sunlight. Fertilize monthly. Protect from extreme heat and sunburn if newly moved outdoors.

⚠️ Common Problems & Solutions — Plant Care Comparison

Longan

Common Issues: Root rot, nutrient deficiencies, pest infestations (e.g., aphids, scale)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Nutrient deficiencies: Fertilize regularly with a balanced fertilizer. Pest infestations: Treat with insecticidal soap or neem oil.

Olive Tree

Common Issues: Scale insects, spider mites, root rot, lack of fruiting indoors
Solutions: Scale/Spider mites: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Lack of fruiting: Ensure adequate sunlight, proper pollination (hand-pollination indoors), and a cool winter dormancy.

❓ Frequently Asked Questions — Comparing These Plants

Longan

What are the light requirements for Longan?

Longan trees need bright, indirect light to thrive indoors. A south-facing or east-facing window is ideal, but avoid direct sunlight, which can scorch the leaves. If natural light is insufficient, supplement with grow lights. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can lead to leggy growth and reduced fruit production (if the plant is mature enough to fruit). During winter months, when light levels are lower, consider providing additional light to maintain healthy growth. Observe the plant closely for signs of light stress, such as pale leaves or stunted growth.

How do I care for Longan?

Longan as indoor trees require bright, indirect light; aim for at least 6 hours daily. Water thoroughly when the top inch of soil feels dry, ensuring good drainage. Maintain humidity levels around 50-60%. Fertilize every 2-3 weeks during the growing season (spring/summer) with a balanced liquid fertilizer. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Prune regularly to maintain desired shape and size, removing any dead or crossing branches. Protect from drafts and sudden temperature changes. Monitor for pests like spider mites or mealybugs and treat promptly. Ensure proper air circulation to prevent fungal diseases. Avoid overwatering, which can lead to root rot. Provide stable conditions for optimal growth.

How do I propagate Longan?

Longan 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 a well-draining potting mix and keep it moist in a humid environment. Roots should develop in 4-6 weeks. For air layering, make a shallow cut on a healthy stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop within a few months. Once roots are visible, cut the stem below the rooted section and plant it in a pot.

Olive Tree

What are the light requirements for Olive Tree?

Olive Trees require abundant sunlight to thrive indoors. Ideally, place your Olive Tree in a location that receives at least 6 hours of direct sunlight per day. A south-facing window is often the best option. If direct sunlight is limited, supplement with grow lights. Insufficient light can lead to leggy growth, yellowing leaves, and reduced fruit production (though fruit production is rare indoors). Rotate the plant regularly to ensure all sides receive adequate light. During the winter months, when sunlight is less intense, consider moving the plant closer to the window or increasing the use of grow lights.

How do I care for Olive Tree?

Olive Trees thrive indoors with proper care. Provide bright, direct sunlight for at least 6 hours daily. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix formulated for Mediterranean plants. Maintain a stable temperature between 65-80°F (18-27°C). Fertilize monthly during the growing season (spring/summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 2-3 years, increasing pot size gradually. Monitor for pests like scale or spider mites and treat promptly. Provide good air circulation. Rotate the plant regularly to ensure even growth. Avoid overwatering, which is a common cause of problems.

How do I propagate Olive Tree?

Olive Trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early 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. Place the cutting in a warm, humid environment. For air layering, make a small incision on a branch and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop within a few weeks. Once roots have formed, cut the branch below the rooted area and plant it in a pot.

Last updated: April 28, 2026 — Plant care data reviewed and verified by our editorial team.