Ligustrum vs Pulmonaria Plant Comparison

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

Ligustrum

Ligustrum

Ligustrum spp.

VS
Pulmonaria

Pulmonaria

Pulmonaria officinalis

Ligustrum

Ligustrum

Ligustrum spp.

Ligustrum, commonly known as privet, is a genus of shrubs and small trees often used for hedging and topiary. They are characterized by their dense foliage, opposite leaves, and clusters of small, white, fragrant flowers, followed by dark berries. While primarily outdoor plants valued for their adaptability and ease of shaping, some species are occasionally brought indoors, though they rarely thrive due to insufficient light and humidity. They are grown for their formal appearance and ability to create privacy screens.

Oleaceae Native to Europe, North Africa, and Asia, with various species originating from different regions within these continents.
✨ Features: Dense foliage, ability to be shaped into hedges or topiary.
📖 Read Complete Ligustrum 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 Ligustrum Pulmonaria
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering. Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 7-10 days outdoors, less frequently indoors (every 2-3 weeks, depending on conditions). Every 3-5 days, depending on environmental conditions
Humidity 30-50% 40-60%
Temperature 15-27°C 13-18°C
Care Level Expert Expert
Growth Rate Moderate To Fast Moderate
Max Height Rarely exceeds 1-2 meters indoors. Outdoors, can reach up to 5 meters or more. 20-30 cm (indoors unlikely to reach this)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand. Well-draining, humus-rich soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (including watering, pruning, and pest checks). 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Ligustrum

Scientific Name Ligustrum spp.
Family Oleaceae
Native To Native to Europe, North Africa, and Asia, with various species originating from different regions within these continents.
Also Known As Privet, Common Privet, Japanese Privet, Chinese Privet, Wax-leaf Privet
Leaves Opposite, simple, lanceolate to ovate leaves, typically 5-10 cm long. The color varies depending on the species, ranging from dark green to variegated forms with yellow or white margins. Leaves have a smooth texture.
Flowers Rarely flowers indoors. Outdoors, it produces clusters of small, white, fragrant flowers in late spring or early summer.

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

Ligustrum

Height Rarely exceeds 1-2 meters indoors. Outdoors, can reach up to 5 meters or more.
Spread 1-2 meters indoors. Outdoors, can spread 2-4 meters.
Growth Rate Moderate To Fast
Growth Pattern Bushy shrub or small tree with an upright, dense growth habit. Can be trained into various shapes through pruning.

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

Ligustrum

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide indirect light until roots develop.

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

Ligustrum

Its dense foliage and ability to be shaped into hedges or topiary make it a unique choice for formal gardens. The fragrant flowers are also a notable characteristic.

  • ✓ Provides a formal aesthetic.
  • ✓ Can be shaped into various forms.
  • ✓ Offers a sense of structure and order.
  • ✓ May improve indoor air quality slightly.
  • ✓ Can be a rewarding challenge for experienced gardeners.
  • ⚠️ 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

Ligustrum

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune regularly to maintain desired shape and size. Prune in late winter or early spring before new growth begins.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and avoid fertilizing. Provide bright, indirect light. In summer, water more frequently and fertilize regularly. Protect from intense afternoon sun.

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

Ligustrum

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

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

Ligustrum

Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and leaf drop.

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

Ligustrum

Temperature: 15-27°C

Humidity: 30-50%

Pulmonaria

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Ligustrum

Ligustrum

Ligustrum spp.
Care: Expert Time: 30 minutes weekly (including watering, pruning, and pest checks). Beginner: No

Experienced gardeners who want to attempt growing a hedging plant indoors, understanding the challenges.

✅ Choose This Plant If...

  • You enjoy the challenge of growing outdoor plants indoors.
  • You have a very bright, sunny location.
  • You are experienced with pruning and shaping plants.
  • You want a formal, structured plant.
  • You are willing to provide extra care to meet its needs.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a bright, sunny location.
  • You are a beginner gardener.
  • You prefer low-maintenance plants.
📍 Ideal Location: Brightest possible location, ideally near a south-facing window. Not recommended for typical indoor environments.
🎨 Style: Traditional, Formal, Topiary
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, including leaves, berries, and bark, contain glycosides that are toxic to dogs, cats, and horses. Symptoms include nausea, vomiting, diarrhea, abdominal pain, and weakness.
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 Check space

⚡ Key Differences Between These Plants

📈

Ligustrum has moderate to fast growth, while Pulmonaria grows moderate.

💡 Pro Tips For Comparing These Plants

Ligustrum Care Tips

Privet is primarily an outdoor plant and challenging to maintain indoors due to its high light requirements and need for well-draining soil. It requires regular pruning to maintain its shape and can be susceptible to pests and diseases. Indoor cultivation is generally not recommended.

  • Provide at least 6 hours of direct sunlight daily.
  • Use well-draining soil to prevent root rot.
  • Prune regularly to maintain shape and size.
  • Monitor for pests and diseases.
  • Fertilize regularly during the growing season.
❄️ Winter: Reduce watering frequency. Provide bright, indirect light. Avoid fertilizing. Protect from drafts and cold temperatures.
☀️ Summer: Water more frequently. Fertilize regularly. Protect from intense afternoon sun. Ensure good air circulation.

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

Ligustrum

Common Issues: Leaf drop, Spider mites, Aphids, Root rot
Solutions: Leaf drop: Ensure adequate light and proper watering. | Spider mites: Treat with insecticidal soap or neem oil. | Aphids: Wash off with a strong stream of water or treat with insecticidal soap. | Root rot: Improve drainage and reduce watering frequency.

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

Ligustrum

What are the light requirements for Ligustrum?

Ligustrum requires bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and pale leaves. A location near an east-facing or west-facing window is ideal, providing ample light without direct sun exposure. If placing near a south-facing window, use a sheer curtain to filter the light.

How do I care for Ligustrum?

Ligustrum thrives indoors with bright, indirect light. Direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, especially during dry months, by misting regularly or using a humidifier.

How do I propagate Ligustrum?

Ligustrum can be propagated easily through stem cuttings or air layering.

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 11, 2026 — Plant care data reviewed and verified by our editorial team.