Agapanthus vs Busy Lizzie Plant Comparison

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

Agapanthus

Agapanthus

Agapanthus africanus

VS
Busy Lizzie

Busy Lizzie

Impatiens walleriana

Agapanthus

Agapanthus

Agapanthus africanus

Agapanthus africanus is a clump-forming perennial known for its striking spherical umbels of blue or white trumpet-shaped flowers atop tall, leafless stalks. It features strap-like, arching green leaves that emerge from rhizomes. Primarily an outdoor plant, it thrives in sunny gardens and borders. People grow it for its showy flowers, architectural foliage, and drought tolerance once established. While it can be grown in containers, it requires significant sunlight and space to flourish and may not flower reliably indoors. It is a popular choice for adding a touch of elegance and color to landscapes.

Amaryllidaceae South Africa
✨ Features: Drought tolerant once established, attracts pollinators.
📖 Read Complete Agapanthus Guide
Busy Lizzie

Busy Lizzie

Impatiens walleriana

Impatiens walleriana, commonly known as Busy Lizzie, is a popular flowering plant prized for its vibrant and abundant blooms. It is a herbaceous perennial, typically grown as an annual in temperate climates. Reaching heights of 15-60 cm, it features succulent stems and oval, toothed leaves. The flowers come in a wide range of colors, including red, pink, orange, purple, and white. Busy Lizzies are primarily grown outdoors in gardens, containers, and hanging baskets for their continuous flowering throughout the growing season. While they can be grown indoors, maintaining consistent humidity and light can be challenging.

Balsaminaceae Eastern Africa
✨ Features: Long blooming period, wide range of flower colors.
📖 Read Complete Busy Lizzie Guide

Quick Plant Comparison

Feature Agapanthus Busy Lizzie
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 1-2 weeks, depending on weather and soil drainage. Every 2-4 days, depending on environmental conditions and pot size.
Humidity 40-60% 40-60%
Temperature 18-24°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 0.6-1 meter (outdoors); less likely to reach this height indoors 20-40 cm (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil mix, such as a blend of potting soil, sand, and perlite. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly during growing season. 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Agapanthus

Scientific Name Agapanthus africanus
Family Amaryllidaceae
Native To South Africa
Also Known As African Lily, Lily of the Nile, Agapanthus
Leaves The leaves of Agapanthus are strap-like, arching, and typically 30-60 cm long and 2-5 cm wide. They are a deep green color and have a smooth texture. The leaves emerge from the base of the plant in a rosette-like arrangement.
Flowers Agapanthus rarely flowers indoors. Outdoors, it produces spherical umbels of trumpet-shaped flowers in shades of blue, purple, or white. The flower heads can be up to 20 cm in diameter and are held on tall, leafless stalks that can reach up to 1 meter in height. Flowering typically occurs in summer.

Busy Lizzie

Scientific Name Impatiens walleriana
Family Balsaminaceae
Native To Eastern Africa
Also Known As Busy Lizzie, Balsam, Garden Balsam, Sultana
Leaves Oval-shaped leaves with toothed edges. They are typically medium green and have a slightly succulent texture. The leaves are arranged alternately along the stems.
Flowers Flowers readily indoors given enough light. The flowers are single or double, and come in a wide range of colors including red, pink, orange, purple, white, and bi-colors. They have a spurred shape and are about 2-5 cm in diameter.

📏 Size & Growth — Plant Comparison

Agapanthus

Height 0.6-1 meter (outdoors); less likely to reach this height indoors
Spread 0.3-0.6 meter; spreads via rhizomes
Growth Rate Moderate
Growth Pattern Agapanthus grows in clumps, with strap-like leaves emerging from rhizomes. Flower stalks rise above the foliage, bearing the characteristic spherical umbels of flowers. It spreads via rhizomes, gradually forming larger clumps over time.

Busy Lizzie

Height 20-40 cm (indoors)
Spread 20-30 cm
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. It tends to spread outwards, forming a dense mound of foliage and flowers.

🌱 Propagation — Comparing Plant Growth

Agapanthus

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or fall. Sow seeds in spring after soaking them in water for 24 hours.

Busy Lizzie

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take 5-7 cm stem cuttings with several leaves. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Keep the cutting in a warm, humid environment until roots develop (usually within 2-3 weeks).

✨ Benefits & Features — Comparing Plant Value

Agapanthus

Agapanthus is known for its distinctive spherical flower heads composed of numerous individual trumpet-shaped flowers. The plant's drought tolerance and ability to thrive in sunny locations make it a popular choice for gardens in warm climates.

  • ✓ Adds vibrant color to the garden.
  • ✓ Attracts bees and butterflies.
  • ✓ Drought-tolerant once established.
  • ✓ Provides architectural interest with its foliage and flower stalks.
  • ✓ Relatively low-maintenance in the right conditions.
  • ⚠️ Toxic to pets

Busy Lizzie

The explosive seed dispersal mechanism is unique. The wide variety of flower colors available makes it a versatile choice for gardens and containers.

  • ✓ Adds vibrant color to shady areas
  • ✓ Provides a long-lasting display of flowers
  • ✓ Attracts pollinators to the garden
  • ✓ Relatively easy to propagate
  • ✓ Can be grown in containers or hanging baskets
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Agapanthus

Repotting Every 2-3 years or when the plant becomes root-bound. Divide rhizomes during repotting to control spread.
Pruning Remove spent flower stalks to encourage further blooming. Trim any dead or damaged foliage.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In summer, provide regular watering and fertilization. In winter, reduce watering and protect from frost. In colder climates, bring potted plants indoors for overwintering.

Busy Lizzie

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Pinch back stems regularly to encourage bushier growth and more blooms. Remove spent flowers to promote continuous flowering.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall and winter, reduce watering and stop fertilizing. Protect from frost.

🌞 Light Requirements

Agapanthus

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

Low light tolerant: ❌ No

Busy Lizzie

Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ❌ No

💧 Watering Needs

Agapanthus

Water deeply when the top inch of soil feels dry. Avoid overwatering, especially during dormancy. Overwatering can lead to root rot. Underwatering will cause the leaves to droop and turn brown at the tips.

Busy Lizzie

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, which 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

Agapanthus

Temperature: 18-24°C

Humidity: 40-60%

Busy Lizzie

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Agapanthus

Agapanthus

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

Gardeners in warm climates looking for a drought-tolerant plant with showy flowers.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for your garden.
  • You love the striking blue or white spherical flower heads.
  • You want to attract pollinators to your garden.
  • You live in a warm climate with plenty of sunshine.
  • You have a well-draining garden bed.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You live in a cold climate with harsh winters.
  • You don't have a sunny location for it to thrive.
📍 Ideal Location: Sunny garden bed or patio with well-draining soil.
🎨 Style: Mediterranean, Coastal, Cottage
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, especially the rhizomes, contain compounds that can cause vomiting, diarrhea, and abdominal pain in dogs, cats, and horses. Contact with the sap may also cause skin irritation.
Busy Lizzie

Busy Lizzie

Impatiens walleriana
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Gardeners who want a vibrant, continuously flowering plant for shady areas.

✅ Choose This Plant If...

  • You want a plant that flowers continuously throughout the growing season.
  • You need a plant that thrives in shady areas.
  • You enjoy a wide variety of flower colors.
  • You want a relatively easy-to-propagate plant.
  • You want a plant that attracts pollinators like butterflies.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You struggle with maintaining consistent watering schedules.
  • You live in a very dry climate and cannot provide adequate humidity.
📍 Ideal Location: Bright bathroom, East-facing windowsill, Shaded patio
🎨 Style: Cottagecore, Traditional, Bohemian
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Impatiens walleriana is toxic to dogs, cats, and horses. Symptoms of ingestion may include vomiting and diarrhea. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Busy Lizzie

⚡ Key Differences Between These Plants

🎯

Agapanthus is rated Expert care level, while Busy Lizzie is Moderate.

💡 Pro Tips For Comparing These Plants

Agapanthus Care Tips

Agapanthus is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to high light requirements. It needs regular watering during the growing season and less during dormancy. Overwintering indoors in cooler climates is possible, but flowering may be reduced without sufficient sunlight.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize monthly during the growing season with a balanced liquid fertilizer.
  • Divide rhizomes every few years to prevent overcrowding and encourage blooming.
  • Protect from frost in colder climates by mulching or bringing potted plants indoors.
❄️ Winter: Reduce watering significantly during winter. If grown in pots, move to a cool, bright location indoors if temperatures drop below freezing. Dormancy is beneficial for flowering the following season.
☀️ Summer: Provide regular watering and fertilization during the growing season. Ensure the plant receives adequate sunlight. Deadhead spent flowers to encourage further blooming.

Busy Lizzie Care Tips

Busy Lizzies require bright, indirect light and consistent moisture. They are susceptible to fungal diseases, especially in humid conditions. Indoor cultivation can be challenging due to the need for high humidity and consistent watering. Regular fertilization is needed during the growing season.

  • Pinch back stems regularly to encourage bushier growth.
  • Water deeply when the top inch of soil is dry.
  • Fertilize every 2-4 weeks during the growing season.
  • Provide good air circulation to prevent fungal diseases.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency. Avoid placing near drafts or heating vents. Provide as much light as possible.
☀️ Summer: Water more frequently during hot weather. Protect from intense afternoon sun. Ensure good air circulation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Agapanthus

Common Issues: Lack of flowering, root rot, mealybugs
Solutions: Ensure adequate sunlight and proper fertilization for flowering. Improve drainage and reduce watering to prevent root rot. Treat mealybugs with insecticidal soap or neem oil.

Busy Lizzie

Common Issues: Root rot, Powdery mildew, Spider mites, Aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Remove affected roots and repot in fresh soil. | Powdery mildew: Improve air circulation and treat with a fungicide. | Spider mites: Increase humidity and treat with insecticidal soap or neem oil. | Aphids: Wash off with water or treat with insecticidal soap.

❓ Frequently Asked Questions — Comparing These Plants

Agapanthus

What are the light requirements for Agapanthus?

Agapanthus needs at least six hours of direct sunlight daily to thrive and produce abundant blooms. In hotter climates, afternoon shade can prevent leaf scorch. Insufficient light can lead to leggy growth and reduced flowering. When grown indoors, place Agapanthus near a sunny window, ideally south-facing. Rotate the plant regularly to ensure even light exposure. If natural light is limited, supplement with grow lights. Proper light is crucial for the plant’s overall health and its ability to produce its signature flower heads. Observe your plant for signs of light stress, such as pale leaves or a lack of flowering, and adjust its placement accordingly.

How do I care for Agapanthus?

Agapanthus thrives in full sun to partial shade and requires well-draining soil. Water thoroughly when the top inch of soil feels dry, reducing frequency during dormancy. Fertilize in spring with a balanced, slow-release fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further flowering. In colder climates, provide winter protection by mulching or moving potted plants indoors. Repot every 2-3 years in spring to refresh the soil and provide more room for the roots. Ensure good air circulation to prevent fungal diseases. Monitor for pests like aphids and snails, and treat promptly if necessary. Consistent care will reward you with a profusion of stunning blooms.

How do I propagate Agapanthus?

Agapanthus can be propagated through division, seed, or offsets.

Busy Lizzie

What are the light requirements for Busy Lizzie?

Busy Lizzies prefer partial shade, meaning they need protection from direct sunlight, especially during the hottest part of the day. Too much direct sun can scorch their leaves and inhibit flowering. An east-facing window or a location with filtered sunlight is ideal. If growing outdoors, choose a spot under a tree canopy or in a shaded area of a patio or balcony. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure all sides receive adequate light. If natural light is limited, consider using grow lights to supplement their needs. Aim for 12-14 hours of light per day for optimal growth and blooming.

How do I care for Busy Lizzie?

Busy Lizzies thrive in partial shade with well-draining soil. Water regularly, keeping the soil consistently moist but not soggy. Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer, or one specifically formulated for flowering plants, to encourage abundant blooms. Maintain a temperature between 65-75°F (18-24°C) and a humidity level of 50-60%. Prune regularly to remove spent flowers and maintain a compact shape. Repot in spring if the plant becomes root-bound. Protect from frost and direct sunlight, as these can damage the leaves and flowers. Monitor for pests like aphids and spider mites, and treat promptly with insecticidal soap. Rotate the plant occasionally to ensure even growth. Provide good air circulation to prevent fungal diseases.

How do I propagate Busy Lizzie?

Busy Lizzies are easily propagated through stem cuttings. Take a 3-4 inch cutting from a healthy stem, removing the lower leaves. Place the cutting in water or directly into moist potting mix. Keep the cutting in a warm, bright location, out of direct sunlight. Roots should develop in 2-3 weeks. Once roots have formed, transplant the cutting into a pot with well-draining soil. Division is possible, but less common. Carefully separate the root ball of a mature plant and pot each section individually. Keiki propagation does not apply to Busy Lizzie. Maintain high humidity during the rooting process by covering the cutting with a plastic bag or humidity dome.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.