Lily of the Nile vs New Guinea Impatiens Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Lily of the Nile
Agapanthus africanus
Agapanthus africanus, commonly known as Lily of the Nile, is a clump-forming perennial prized for its showy, spherical umbels of blue or white flowers atop tall, sturdy stalks. It features strap-like, arching green leaves. Primarily an outdoor plant, it thrives in sunny gardens and borders. While it can be grown in containers, it requires significant sunlight and space to flourish. People grow it for its striking floral display and architectural foliage, adding a touch of elegance to landscapes.
New Guinea Impatiens
Impatiens hawkeri
New Guinea Impatiens are popular flowering plants known for their vibrant, showy blooms and attractive foliage. They are herbaceous perennials, typically grown as annuals in cooler climates. They feature succulent stems and oval to lance-shaped leaves that can be green, bronze, or variegated. The flowers come in a wide range of colors, including red, pink, orange, purple, and white. While primarily outdoor plants, they can be grown indoors with sufficient light. People grow them for their continuous blooms and relatively easy care.
Quick Plant Comparison
| Feature | Lily of the Nile | New Guinea Impatiens |
|---|---|---|
| Light | Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. | Bright, indirect light is essential. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. Insufficient light will result in fewer flowers and leggy growth. |
| Watering | Every 7-10 days during the growing season, less frequently in winter. | Every 3-5 days, depending on environmental conditions and pot size. |
| Humidity | 30-50% | 40-60% |
| Temperature | 18-27°C | 18-24°C |
| Care Level | Expert | Moderate |
| Growth Rate | Moderate | Moderate |
| Max Height | 0.6-1 meter (indoors, less likely to reach full outdoor height) | 30-60 cm (indoors) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining soil mix, such as a blend of potting soil, perlite, and sand. | Well-draining potting mix, such as a peat-based mix amended with perlite or vermiculite. |
| Beginner Friendly | ❌ No | With Caution |
| Weekly Maintenance | 15 minutes weekly during the growing season. | 10 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Lily of the Nile
| Scientific Name | Agapanthus africanus |
|---|---|
| Family | Amaryllidaceae |
| Native To | South Africa |
| Also Known As | Lily of the Nile, African Lily, Agapanthus |
| Leaves | Strap-like, arching green leaves, typically 30-60 cm long and 2-4 cm wide. The leaves are smooth and glossy. |
| Flowers | Rarely flowers indoors due to insufficient light. Outdoors, it produces spherical umbels of blue or white flowers on tall stalks during the summer. |
New Guinea Impatiens
| Scientific Name | Impatiens hawkeri |
|---|---|
| Family | Balsaminaceae |
| Native To | New Guinea and the Solomon Islands |
| Also Known As | New Guinea Impatiens, New Guinea Impatient |
| Leaves | Oval to lance-shaped leaves, typically 5-10 cm long. The leaves can be green, bronze, or variegated with shades of yellow, cream, or pink. They have a slightly succulent texture. |
| Flowers | Yes, they can flower indoors with sufficient light. The flowers are single or double and come in a wide range of colors, including red, pink, orange, purple, and white. They are typically 5-7 cm in diameter. |
📏 Size & Growth — Plant Comparison
Lily of the Nile
New Guinea Impatiens
🌱 Propagation — Comparing Plant Growth
Lily of the Nile
Methods: Division, Seed
Difficulty: Moderate
Tips: Divide clumps in early spring or fall. Sow seeds in spring after a period of cold stratification. Ensure good drainage for both methods.
New Guinea Impatiens
Methods: Stem cuttings, Seed
Difficulty: Easy
Tips: Take stem cuttings about 5-7 cm long, remove the lower leaves, and place them in water or moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.
✨ Benefits & Features — Comparing Plant Value
Lily of the Nile
The spherical umbels of flowers are a distinctive feature, making it a standout in any garden. Its drought tolerance, once established, makes it a low-maintenance option for sunny locations. The plant's rhizomatous growth habit allows it to form clumps over time.
- ✓ Adds vibrant color to the garden
- ✓ Attracts pollinators like bees and butterflies
- ✓ Drought-tolerant once established
- ✓ Provides architectural interest with its foliage and flower stalks
- ✓ Can be used as a cut flower
- ⚠️ Toxic to pets
New Guinea Impatiens
New Guinea Impatiens are known for their large, showy flowers and attractive foliage, which can be green, bronze, or variegated. They also tend to be more sun-tolerant than common Impatiens.
- ✓ Adds vibrant color to indoor spaces.
- ✓ Provides a long blooming period.
- ✓ Relatively easy to propagate.
- ✓ Can improve mood and reduce stress.
- ✓ Offers a variety of flower colors to match decor.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Lily of the Nile
New Guinea Impatiens
🌞 Light Requirements
Lily of the Nile
Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Low light tolerant: ❌ No
New Guinea Impatiens
Bright, indirect light is essential. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. Insufficient light will result in fewer flowers and leggy growth.
Low light tolerant: ❌ No
💧 Watering Needs
Lily of the Nile
Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Reduce watering during the dormant winter period. Signs of overwatering include yellowing leaves and a soggy soil. Underwatering is indicated by wilting and browning leaf tips.
New Guinea Impatiens
Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and stem rot.
🌡️ Temperature & Humidity
Lily of the Nile
Temperature: 18-27°C
Humidity: 30-50%
New Guinea Impatiens
Temperature: 18-24°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Lily of the Nile
Agapanthus africanusExperienced gardeners who can provide ample sunlight and proper care, especially in outdoor settings.
✅ Choose This Plant If...
- You want a striking focal point in your garden with beautiful blue or white flowers.
- You have a sunny location that can provide at least 6 hours of direct sunlight daily.
- You want to attract pollinators like bees and butterflies to your garden.
- You are looking for a drought-tolerant plant once established.
- You enjoy the architectural foliage and the overall elegant appearance of the plant.
❌ Skip This Plant If...
- You have pets that may ingest the plant, as it is toxic to dogs, cats, and horses.
- You have limited sunlight indoors, as it requires full sun to thrive and flower.
- You are a beginner gardener, as it requires specific care and attention to flourish.
New Guinea Impatiens
Impatiens hawkeriGardeners who want a vibrant, flowering plant for containers or garden beds, and who can provide bright, indirect light indoors.
✅ Choose This Plant If...
- You want a plant with vibrant, long-lasting blooms.
- You have a location with bright, indirect light.
- You enjoy deadheading flowers to encourage more blooms.
- You want a plant that is relatively easy to propagate from cuttings.
- You appreciate a wide variety of flower colors to choose from.
❌ Skip This Plant If...
- You have pets that might ingest the plant.
- You struggle to provide consistent moisture without overwatering.
- You don't have a location with sufficient bright, indirect light.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Lily of the Nile is rated Expert care level, while New Guinea Impatiens is Moderate.
💡 Pro Tips For Comparing These Plants
Lily of the Nile Care Tips
Lily of the Nile is primarily an outdoor plant and requires ample sunlight to thrive. Growing it indoors is challenging due to its high light requirements. It needs well-draining soil and regular fertilization during the growing season. Overwintering indoors may be necessary in colder climates.
- Provide well-draining soil to prevent root rot.
- Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
- Fertilize regularly during the growing season with a balanced fertilizer.
- Protect from frost in colder climates by bringing container plants indoors.
- Deadhead spent flowers to encourage more blooms.
New Guinea Impatiens Care Tips
New Guinea Impatiens require bright, indirect light and consistent moisture. They are susceptible to root rot if overwatered. While they can be grown indoors, providing adequate light can be challenging. Regular fertilization promotes abundant blooms. Watch for pests like aphids and spider mites.
- Provide bright, indirect light to encourage blooming.
- Water thoroughly when the top inch of soil is dry, but avoid overwatering.
- Fertilize regularly during the growing season with a balanced liquid fertilizer.
- Pinch back stems to promote bushier growth.
- Monitor for pests like aphids and spider mites and treat promptly.
⚠️ Common Problems & Solutions — Plant Care Comparison
Lily of the Nile
New Guinea Impatiens
❓ Frequently Asked Questions — Comparing These Plants
Lily of the Nile
What are the light requirements for Lily of the Nile?
Lily of the Nile thrives in bright, sunny locations. It needs at least six hours of direct sunlight per day to produce abundant blooms. In hotter climates, some afternoon shade can be beneficial to prevent leaf scorch. When grown indoors, place the plant near a south-facing window where it can receive ample sunlight. Insufficient light can result in poor flowering and leggy growth. Rotate the plant regularly to ensure even light exposure on all sides.
How do I care for Lily of the Nile?
Lily of the Nile thrives in well-draining soil and requires full sun to partial shade, ideally receiving at least six hours of direct sunlight daily for optimal blooming. Water thoroughly when the top inch of soil feels dry to the touch, allowing excess water to drain away. Avoid overwatering, as this can lead to root rot. Fertilize regularly during the growing season (spring and summer) with a balanced, slow-release fertilizer or a liquid fertilizer diluted to half strength every two to four weeks.
How do I propagate Lily of the Nile?
Lily of the Nile can be propagated through division, stem cuttings, and keiki (small plantlets that form on flower stalks).
New Guinea Impatiens
What are the light requirements for New Guinea Impatiens?
New Guinea Impatiens prefer bright, indirect light. They thrive in partial shade, making them ideal for locations that receive morning sun and afternoon shade, or dappled sunlight throughout the day. Direct sunlight can scorch their leaves and fade their flowers, so avoid placing them in areas with intense, prolonged sun exposure.
How do I care for New Guinea Impatiens?
New Guinea Impatiens thrive in partial shade with consistent moisture. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly during the growing season (spring to fall) with a balanced, water-soluble fertilizer, or one formulated for blooming plants, diluted to half strength, every 2-4 weeks to encourage abundant blooms. Maintain a humid environment by misting the plant regularly or placing it near a humidifier.
How do I propagate New Guinea Impatiens?
New Guinea Impatiens are easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Roots should develop within a few weeks. Division is possible when repotting larger plants, carefully separating the root ball. Keiki propagation is not applicable to New Guinea Impatiens.
Last updated: May 20, 2026 — Plant care data reviewed and verified by our editorial team.