Australian Tree Fern vs English Lavender Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Australian Tree Fern
Cyathea cooperi
The Australian Tree Fern (Cyathea cooperi) is a fast-growing tree fern characterized by its elegant, arching fronds and distinctive trunk covered in brown scales. It's primarily an outdoor plant, thriving in humid, subtropical environments. Its large size and specific environmental needs make it challenging to grow indoors long-term. People grow it for its tropical appearance and architectural interest in gardens and landscapes. It can reach impressive heights in its natural habitat. The plant's beauty lies in its delicate-looking but resilient fronds.
English Lavender
Lavandula angustifolia
English Lavender is a perennial shrub known for its fragrant flowers and aromatic foliage. It typically grows to a height of 1-3 feet. The plant features narrow, gray-green leaves and produces spikes of purple flowers in the summer. It is primarily an outdoor plant, thriving in sunny, well-drained locations. People grow it for its ornamental value, fragrance, and use in aromatherapy and culinary applications. While it can be attempted indoors, it requires very specific conditions to thrive.
Quick Plant Comparison
| Feature | Australian Tree Fern | English Lavender |
|---|---|---|
| Light | Bright, indirect light to partial shade. Avoid direct sunlight, especially during the hottest part of the day. | Full sun (at least 6-8 hours of direct sunlight per day) |
| Watering | Every 2-4 days, depending on environmental conditions and pot size. | Every 1-2 weeks, depending on environmental conditions and soil drainage. |
| Humidity | 60-80% | 30-50% |
| Temperature | 18-24°C | 18-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Fast | Moderate |
| Max Height | Indoors: 1-2 meters (difficult to maintain this size long-term) | 0.3-0.9 meters (indoors, likely smaller and less robust) |
| Pet Safety | ✅ Safe | ❌ Toxic To Pets |
| Soil | Well-draining, slightly acidic soil rich in organic matter. A mix of peat moss, perlite, and tree fern fiber is ideal. | Well-draining, sandy or gravelly soil with a slightly alkaline pH (6.5-8.0) |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly | 30 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Australian Tree Fern
| Scientific Name | Cyathea cooperi |
|---|---|
| Family | Cyatheaceae |
| Native To | Eastern Australia (New South Wales and Queensland) |
| Also Known As | Australian Tree Fern, Cooper's Cyathea, Lacy Tree Fern |
| Leaves | Large, lacy, bright green fronds that can reach up to 4 meters in length. The fronds are divided into numerous leaflets, giving them a delicate and feathery appearance. |
| Flowers | Does not flower indoors. Tree ferns reproduce via spores, not flowers. |
English Lavender
| Scientific Name | Lavandula angustifolia |
|---|---|
| Family | Lamiaceae |
| Native To | Mediterranean region |
| Also Known As | English Lavender, True Lavender, Common Lavender |
| Leaves | The leaves of English Lavender are narrow, linear, and gray-green in color. They are approximately 1-2 inches long and have a slightly fuzzy texture. The leaves are highly aromatic when crushed. |
| Flowers | English Lavender rarely flowers indoors. Outdoors, it produces spikes of fragrant, purple flowers in the summer. The flowers are small and tubular, arranged in dense clusters along the stem. |
📏 Size & Growth — Plant Comparison
Australian Tree Fern
English Lavender
🌱 Propagation — Comparing Plant Growth
Australian Tree Fern
Methods: Spores, Division (of pups that grow at the base of the trunk)
Difficulty: Difficult
Tips: Spore propagation is very slow and requires sterile conditions. Division is more practical but requires careful handling to avoid damaging the parent plant.
English Lavender
Methods: Stem cuttings, Seed, Layering
Difficulty: Moderate
Tips: Take stem cuttings in spring or early summer. Use rooting hormone and provide adequate moisture. Seeds can be sown in spring, but germination can be slow and inconsistent.
✨ Benefits & Features — Comparing Plant Value
Australian Tree Fern
The Australian Tree Fern's fast growth rate and large size distinguish it from other ferns. Its trunk, covered in brown scales, adds a unique texture and visual appeal. It's also relatively adaptable to different soil types.
- ✓ Creates a lush, tropical atmosphere
- ✓ Adds architectural interest to gardens
- ✓ Provides a sense of tranquility
- ✓ Can improve indoor air quality slightly by increasing humidity
- ✓ Offers a connection to nature
- 🐾 Pet Safe
English Lavender
English Lavender is prized for its strong, sweet fragrance and classic purple flowers. It is more cold-hardy than some other lavender species. Its essential oil is widely used in aromatherapy for its calming properties.
- ✓ Aromatic fragrance promotes relaxation and reduces stress
- ✓ Beautiful purple flowers enhance garden aesthetics
- ✓ Attracts pollinators like bees and butterflies
- ✓ Can be used in culinary applications to flavor dishes
- ✓ Dried flowers can be used in potpourri and sachets.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Australian Tree Fern
English Lavender
🌞 Light Requirements
Australian Tree Fern
Bright, indirect light to partial shade. Avoid direct sunlight, especially during the hottest part of the day.
Low light tolerant: ❌ No
English Lavender
Full sun (at least 6-8 hours of direct sunlight per day)
Low light tolerant: ❌ No
💧 Watering Needs
Australian Tree Fern
Water frequently to keep the soil consistently moist but not waterlogged. Allow the top inch of soil to slightly dry out before watering again. Overwatering can lead to root rot, while underwatering will cause the fronds to dry and brown. Ensure good drainage.
English Lavender
Water thoroughly when the top inch of soil is dry. Avoid overwatering, as lavender is susceptible to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and dry, brittle leaves.
🌡️ Temperature & Humidity
Australian Tree Fern
Temperature: 18-24°C
Humidity: 60-80%
English Lavender
Temperature: 18-24°C
Humidity: 30-50%
🤔 Which Plant Is Right For You?
Australian Tree Fern
Cyathea cooperiExperienced plant enthusiasts who can provide the high humidity and bright, indirect light required for this fern to thrive.
✅ Choose This Plant If...
- You want a dramatic, tropical statement plant for a large, bright space.
- You can provide consistently high humidity.
- You are experienced with fern care.
- You live in a mild climate where it can be grown outdoors year-round.
- You have a greenhouse or conservatory.
❌ Skip This Plant If...
- You have limited space.
- You cannot provide high humidity.
- You are a beginner plant owner.
English Lavender
Lavandula angustifoliaExperienced gardeners who can provide the specific environmental conditions required for successful growth, especially outdoors.
✅ Choose This Plant If...
- You want a fragrant plant for your garden
- You enjoy using lavender in aromatherapy or cooking
- You have a sunny, well-drained outdoor space
- You are an experienced gardener looking for a rewarding challenge
- You appreciate the classic beauty of English Lavender.
❌ Skip This Plant If...
- You have limited sunlight indoors
- You are prone to overwatering plants
- You have pets that might ingest the plant
- You are a beginner gardener
- You don't have time for regular pruning and maintenance.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Australian Tree Fern has fast growth, while English Lavender grows moderate.
💡 Pro Tips For Comparing These Plants
Australian Tree Fern Care Tips
Australian Tree Ferns are challenging to grow indoors due to their high humidity and light requirements. They need consistent moisture and are prone to drying out in typical indoor environments. Maintaining adequate humidity is crucial for their survival. They are best suited for outdoor environments or greenhouses.
- Mist the fronds regularly to increase humidity.
- Use rainwater or distilled water to avoid mineral buildup on the fronds.
- Provide good air circulation to prevent fungal diseases.
- Protect from strong winds, which can damage the fronds.
- Fertilize regularly during the growing season with a balanced liquid fertilizer.
English Lavender Care Tips
English Lavender is primarily an outdoor plant and requires full sun and well-drained soil. Growing it indoors is challenging due to its high light requirements. Supplemental lighting is often necessary. Overwatering is a common problem indoors. Regular pruning is essential to maintain shape and promote flowering.
- Provide at least 6-8 hours of direct sunlight daily
- Use well-draining soil to prevent root rot
- Water thoroughly but infrequently, allowing the soil to dry out between waterings
- Prune regularly to maintain shape and promote flowering
- Avoid over-fertilizing, as lavender prefers lean soil.
⚠️ Common Problems & Solutions — Plant Care Comparison
Australian Tree Fern
English Lavender
❓ Frequently Asked Questions — Comparing These Plants
Australian Tree Fern
What are the light requirements for Australian Tree Fern?
Australian Tree Ferns require bright, indirect light to thrive. Direct sunlight can scorch their delicate fronds, causing them to turn brown and crispy. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, especially if supplemented with artificial light. If you place your fern near a south or west-facing window, use a sheer curtain to filter the light.
How do I care for Australian Tree Fern?
The Australian Tree Fern thrives in consistently moist conditions and high humidity. Water thoroughly when the top inch of the soil feels slightly dry. Avoid letting the soil dry out completely, as this can lead to browning fronds. Provide bright, indirect light; direct sunlight can scorch the fronds. Maintain humidity levels above 60% by misting regularly, using a humidifier, or placing the pot on a pebble tray filled with water.
How do I propagate Australian Tree Fern?
Australian Tree Ferns can be propagated by division or spores, though spore propagation is more challenging. For division, carefully separate the trunk into sections, ensuring each section has roots. Plant each section in its own pot with well-draining soil. Keep the soil consistently moist and provide high humidity.
English Lavender
What are the light requirements for English Lavender?
English Lavender requires at least six to eight hours of direct sunlight per day to thrive and produce abundant blooms. Insufficient light can result in leggy growth, reduced flowering, and weaker plants. When grown indoors, place Lavender near a south-facing window where it can receive the most intense sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination. Rotate the plant regularly to ensure even exposure to light on all sides. In hot climates, some afternoon shade may be beneficial to prevent scorching. Monitor the plant for signs of light stress, such as pale leaves or elongated stems, and adjust its placement accordingly.
How do I care for English Lavender?
English Lavender thrives in full sun and well-draining soil. Water deeply but infrequently, allowing the soil to dry out completely between waterings. Overwatering is a common cause of root rot. Fertilize sparingly, using a balanced fertilizer in the spring. Prune annually after flowering to maintain shape and encourage bushier growth. Provide good air circulation to prevent fungal diseases. Protect from frost in colder climates. Choose a pot with drainage holes and use a well-draining potting mix specifically formulated for Mediterranean plants. Regularly remove spent flowers to encourage further blooming. Monitor for pests such as aphids or spider mites and treat accordingly. Maintain moderate humidity levels. Provide 6-8 hours of direct sunlight daily for optimal growth and flowering.
How do I propagate English Lavender?
Lavender can be propagated through stem cuttings or division. For stem cuttings, take 4-6 inch cuttings from new growth in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist until rooted. Rooting typically takes 4-6 weeks. For division, carefully dig up the plant in the spring or fall and divide the root ball into smaller sections. Each section should have healthy roots and foliage. Replant the divisions in well-draining soil and water thoroughly. Ensure the new plants receive adequate sunlight and protection from frost. Lavender can also be propagated from seed, but it is a slower and less reliable method.
Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.