Hardy Geranium vs Lily of the Nile Plant Comparison

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

Hardy Geranium

Hardy Geranium

Geranium spp.

VS
Lily of the Nile

Lily of the Nile

Agapanthus africanus

Hardy Geranium

Hardy Geranium

Geranium spp.

Hardy Geraniums are herbaceous perennials known for their resilience and attractive foliage. They form mounds of often deeply lobed or divided leaves, ranging in color from green to bronze, sometimes with interesting patterns. They are primarily outdoor plants, valued for their long blooming period, producing saucer-shaped flowers in shades of pink, purple, blue, white, and magenta. While some species can tolerate indoor conditions with sufficient light, they are generally grown outdoors in gardens and borders for their ease of care and ability to suppress weeds.

Geraniaceae Various species originate from different regions worldwide, including Europe, Asia, and North America.
✨ Features: Long blooming period, deer resistant, attracts pollinators.
📖 Read Complete Hardy Geranium Guide
Lily of the Nile

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.

Amaryllidaceae South Africa
✨ Features: Showy flowers, attracts pollinators
📖 Read Complete Lily of the Nile Guide

Quick Plant Comparison

Feature Hardy Geranium Lily of the Nile
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 7-10 days outdoors, depending on weather conditions. Every 7-10 days during the growing season, less frequently in winter.
Humidity 40-60% 30-50%
Temperature 15-24°C 18-27°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm. 0.6-1 meter (indoors, less likely to reach full outdoor height)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil. A mix of garden soil, compost, and perlite is suitable. Well-draining soil mix, such as a blend of potting soil, perlite, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (deadheading, watering). 15 minutes weekly during the growing season.

🔬 Botanical Information — Comparing These Plants

Hardy Geranium

Scientific Name Geranium spp.
Family Geraniaceae
Native To Various species originate from different regions worldwide, including Europe, Asia, and North America.
Also Known As Hardy Geranium, Cranesbill
Leaves Leaves are typically palmate or deeply lobed, ranging in color from green to bronze, sometimes with interesting patterns or markings. Leaf texture can vary from smooth to slightly hairy.
Flowers Flowers are saucer-shaped, with five petals, and come in a variety of colors, including pink, purple, blue, white, and magenta. Flowering is profuse and long-lasting outdoors. Indoors, flowering is rare and significantly reduced.

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.

📏 Size & Growth — Plant Comparison

Hardy Geranium

Height Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm.
Spread Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm. Some species can spread via rhizomes.
Growth Rate Moderate
Growth Pattern Forms a mounding or spreading habit, depending on the species. Some species spread via rhizomes, creating a groundcover effect.

Lily of the Nile

Height 0.6-1 meter (indoors, less likely to reach full outdoor height)
Spread 0.3-0.6 meter (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Clump-forming perennial with upright flower stalks rising above the foliage.

🌱 Propagation — Comparing Plant Growth

Hardy Geranium

Methods: Division, Stem cuttings, Seed

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Take stem cuttings in late spring or early summer and root in well-draining soil. Seeds can be sown in spring after a period of cold stratification.

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.

✨ Benefits & Features — Comparing Plant Value

Hardy Geranium

Hardy Geraniums are known for their long blooming period, often flowering from late spring to fall. Their foliage can also be quite attractive, with some varieties displaying interesting colors and patterns.

  • ✓ Attracts pollinators to the garden.
  • ✓ Provides long-lasting color in the landscape.
  • ✓ Deer resistant, reducing garden damage.
  • ✓ Suppresses weeds, reducing maintenance.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Hardy Geranium

Repotting Not applicable for outdoor plants. If grown in containers, repot every 2-3 years or as needed.
Pruning Deadhead spent flowers regularly to encourage continued blooming. Cut back foliage after the first frost.
Fertilizing Balanced slow-release fertilizer in spring. Light feeding with liquid fertilizer during the growing season (every 4-6 weeks).
Seasonal Care Spring: Fertilize and divide if needed. Summer: Deadhead spent flowers to encourage more blooms. Fall: Cut back foliage after the first frost. Winter: Provide mulch in colder climates.

Lily of the Nile

Repotting Every 2-3 years, or when the plant becomes root-bound. Divide clumps during repotting to control spread.
Pruning Remove spent flower stalks after blooming. Trim any dead or damaged foliage.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 2-4 weeks during the growing season.
Seasonal Care During the growing season (spring/summer), water and fertilize regularly. In fall, reduce watering and stop fertilizing. In winter, provide minimal watering and protect from frost if grown in containers.

🌞 Light Requirements

Hardy Geranium

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

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

💧 Watering Needs

Hardy Geranium

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

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.

🌡️ Temperature & Humidity

Hardy Geranium

Temperature: 15-24°C

Humidity: 40-60%

Lily of the Nile

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Hardy Geranium

Hardy Geranium

Geranium spp.
Care: Expert Time: 15 minutes weekly (deadheading, watering). Beginner: No

Gardeners looking for low-maintenance, long-blooming perennials for their outdoor beds and borders.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for your garden.
  • You need a plant that is deer resistant.
  • You want to attract pollinators to your garden.
  • You desire a long blooming period.
  • You need a plant that can suppress weeds.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide adequate sunlight for outdoor plants indoors.
  • You are looking for a plant that thrives indoors with minimal care.
📍 Ideal Location: Outdoor garden beds, borders, or containers.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ Geraniums contain geraniol and linalool, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, depression, and dermatitis. All parts of the plant are considered toxic.
Lily of the Nile

Lily of the Nile

Agapanthus africanus
Care: Expert Time: 15 minutes weekly during the growing season. Beginner: No

Experienced 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.
📍 Ideal Location: Sunny patio or garden, or a sunroom with ample light if attempting to grow indoors.
🎨 Style: Mediterranean, Coastal, Cottage
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, especially the rhizomes, contain compounds that are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, drooling, and abdominal pain.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Hardy Geranium Care Tips

Hardy Geraniums are primarily outdoor plants. While they can be attempted indoors, providing adequate light and preventing pests can be challenging. They require well-draining soil, regular watering, and occasional fertilization. Indoor flowering is unlikely.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide well-draining soil to prevent root rot.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Divide established clumps every few years to maintain vigor.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
❄️ Winter: Cut back foliage after the first frost. Provide mulch in colder climates to protect the roots. Reduce watering during dormancy.
☀️ Summer: Deadhead spent flowers regularly to encourage more blooms. Water deeply during dry spells. Provide some afternoon shade in hotter climates.

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.
❄️ Winter: Reduce watering significantly during winter. If grown in containers, protect from frost by bringing indoors to a cool, bright location. Avoid fertilizing during the dormant period.
☀️ Summer: Water regularly during the summer months, especially during hot and dry periods. Fertilize every 2-4 weeks with a balanced liquid fertilizer. Ensure adequate sunlight for optimal flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hardy Geranium

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply fungicide. Aphids/Spider mites: Insecticidal soap or neem oil.

Lily of the Nile

Common Issues: Root rot, Aphids, Mealybugs, Lack of flowering
Solutions: Ensure well-draining soil and avoid overwatering. Treat aphids and mealybugs with insecticidal soap. Provide sufficient sunlight to encourage flowering.

❓ Frequently Asked Questions — Comparing These Plants

Hardy Geranium

What are the light requirements for Hardy Geranium?

Hardy Geraniums thrive best in locations that receive at least six hours of sunlight per day, although they can tolerate partial shade. In hotter climates, providing some afternoon shade can help prevent leaf scorch. When planting, consider the amount of sunlight your garden receives at different times of the day and choose a location that provides the optimal balance of light and shade.

How do I care for Hardy Geranium?

Hardy Geraniums are remarkably easy to care for, making them ideal for gardeners of all levels. Plant them in well-draining soil in a location that receives full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms.

How do I propagate Hardy Geranium?

Hardy Geraniums can be easily propagated through division, stem cuttings, or seed. For division, carefully dig up the plant in early spring or fall and divide the root ball into smaller sections, each with healthy roots and foliage. Replant the divisions in well-draining soil.

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).

Last updated: May 10, 2026 — Plant care data reviewed and verified by our editorial team.