Busy Lizzie vs Pulmonaria Plant Comparison

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

Busy Lizzie

Busy Lizzie

Impatiens walleriana

VS
Pulmonaria

Pulmonaria

Pulmonaria officinalis

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
Pulmonaria

Pulmonaria

Pulmonaria officinalis

Pulmonaria officinalis, commonly known as lungwort, is a herbaceous perennial plant native to Europe. It is characterized by its distinctive spotted leaves, which are typically green with white or silver markings. The plant forms a low-growing clump and produces clusters of small, bell-shaped flowers that change color from pink to blue as they mature. Lungwort is primarily grown outdoors in gardens for its attractive foliage and early spring blooms. It thrives in shady, woodland-like conditions. While it can be attempted indoors, it requires very specific conditions and is generally not well-suited for indoor cultivation.

Boraginaceae Europe
✨ Features: Attracts pollinators, deer-resistant, unique spotted foliage, color-changing flowers
📖 Read Complete Pulmonaria Guide

Quick Plant Comparison

Feature Busy Lizzie Pulmonaria
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 2-4 days, depending on environmental conditions and pot size. Every 3-5 days, depending on environmental conditions
Humidity 40-60% 40-60%
Temperature 18-24°C 13-18°C
Care Level Moderate Expert
Growth Rate Moderate Moderate
Max Height 20-40 cm (indoors) 20-30 cm (indoors unlikely to reach this)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining, humus-rich soil
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

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.

Pulmonaria

Scientific Name Pulmonaria officinalis
Family Boraginaceae
Native To Europe
Also Known As Lungwort, Common Lungwort, Jerusalem Cowslip, Spotted Dog
Leaves The leaves of Pulmonaria are ovate to lance-shaped, typically 10-25 cm long, and have a rough texture. They are usually green with distinctive white or silver spots, although some varieties have more pronounced variegation. The spots are caused by air pockets within the leaf tissue.
Flowers Pulmonaria produces clusters of small, bell-shaped flowers in early spring. The flowers are typically pink when they first open, then gradually turn blue as they mature. This color change is due to changes in pH levels within the petals. Flowering is unlikely indoors.

📏 Size & Growth — Plant Comparison

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.

Pulmonaria

Height 20-30 cm (indoors unlikely to reach this)
Spread 30-45 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Pulmonaria grows as a low-growing clump, spreading slowly via rhizomes. It forms a dense mat of foliage and produces upright flower stalks in the spring.

🌱 Propagation — Comparing Plant Growth

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).

Pulmonaria

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide established clumps in early spring or fall. Sow seeds in a cold frame in autumn or early spring.

✨ Benefits & Features — Comparing Plant Value

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

Pulmonaria

The most unique characteristic of Pulmonaria is its spotted leaves, which provide visual interest even when the plant is not in bloom. The flowers also change color from pink to blue as they mature, adding another layer of appeal. It is also relatively deer-resistant.

  • ✓ Attracts pollinators to your garden.
  • ✓ Adds visual interest with its unique spotted foliage.
  • ✓ Provides early spring color to shady areas.
  • ✓ Deer-resistant, protecting your garden from damage.
  • ✓ Can be used as a ground cover in woodland gardens.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Pulmonaria

Repotting Not applicable for indoor growing due to unsuitability. If grown in a container outdoors, repot every 2-3 years.
Pruning Remove dead or damaged leaves as needed. Cut back after flowering to encourage new growth.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in early spring.
Seasonal Care In spring, fertilize and monitor for pests. In summer, provide shade and consistent moisture. In fall, divide plants if needed. In winter, protect from frost in colder climates.

🌞 Light Requirements

Busy Lizzie

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

Low light tolerant: ❌ No

Pulmonaria

Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

💧 Watering Needs

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.

Pulmonaria

Keep the soil consistently moist, but not waterlogged. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt and brown. Ensure good drainage.

🌡️ Temperature & Humidity

Busy Lizzie

Temperature: 18-24°C

Humidity: 40-60%

Pulmonaria

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

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.
Pulmonaria

Pulmonaria

Pulmonaria officinalis
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Experienced gardeners looking for a shade-loving plant with unique foliage and early spring blooms in an outdoor garden.

✅ Choose This Plant If...

  • You want a shade-loving plant with unique spotted foliage.
  • You appreciate early spring blooms that attract pollinators.
  • You are looking for a deer-resistant plant for your garden.
  • You enjoy plants with interesting color-changing flowers.
  • You have a cool, shady spot in your garden that needs some color.

❌ Skip This Plant If...

  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
  • You do not have a cool, shady outdoor space.
📍 Ideal Location: Outdoor shade garden or woodland garden. Not suitable for typical indoor environments.
🎨 Style: Woodland, Cottage, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pulmonaria species contain pyrrolizidine alkaloids, which are toxic to dogs, cats, and horses. Symptoms include liver damage, abdominal pain, vomiting, and diarrhea. The entire plant is 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

🎯

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

💡 Pro Tips For Comparing These Plants

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.

Pulmonaria Care Tips

Pulmonaria is primarily an outdoor plant that prefers cool, shady conditions. Indoor cultivation is challenging due to the need for consistent moisture, high humidity, and cool temperatures. It is prone to fungal diseases and root rot if not properly cared for indoors. Requires very bright indirect light, which is difficult to provide indoors.

  • Provide consistent moisture, especially during dry periods.
  • Protect from direct sunlight to prevent leaf scorch.
  • Amend the soil with compost or leaf mold to improve drainage and fertility.
  • Divide plants every few years to prevent overcrowding.
  • Monitor for pests and diseases regularly.
❄️ Winter: In colder climates, protect Pulmonaria from frost by mulching around the base of the plant. Reduce watering during the dormant season.
☀️ Summer: Provide shade during the hottest part of the day to prevent leaf scorch. Ensure consistent moisture, especially during dry periods.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Pulmonaria

Common Issues: Powdery mildew, Slugs and snails, Root rot, Leaf spot
Solutions: Improve air circulation and apply fungicide for powdery mildew. Use slug and snail bait or handpick pests. Ensure good drainage and avoid overwatering to prevent root rot. Remove affected leaves for leaf spot and apply fungicide if necessary.

❓ Frequently Asked Questions — Comparing These Plants

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.

Pulmonaria

What are the light requirements for Pulmonaria?

Pulmonaria thrives in partial to full shade. In regions with hot summers, full shade is essential to prevent leaf scorch. Morning sun is tolerated, but avoid direct afternoon sun. The ideal location receives dappled sunlight throughout the day. Insufficient light can result in fewer blooms and less vibrant foliage.

How do I care for Pulmonaria?

Pulmonaria prefers partial to full shade, especially in warmer climates. Direct sunlight can scorch the leaves. The ideal location is one that receives morning sun and afternoon shade. Plant in well-draining, humus-rich soil that retains moisture. Water regularly, especially during dry periods, keeping the soil consistently moist but not soggy.

How do I propagate Pulmonaria?

Pulmonaria is most easily propagated by division in early spring or fall. Carefully dig up the plant and separate the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining, humus-rich soil. Keep the soil consistently moist until the plants are established.

Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.