Coral Bells vs Pulmonaria Plant Comparison

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

Coral Bells

Coral Bells

Heuchera spp.

VS
Pulmonaria

Pulmonaria

Pulmonaria officinalis

Coral Bells

Coral Bells

Heuchera spp.

Coral Bells (Heuchera spp.) are herbaceous perennials prized for their colorful and textured foliage. They form neat mounds of scalloped or ruffled leaves in a wide array of colors, including shades of green, purple, red, bronze, and silver. While they do produce small, bell-shaped flowers on slender stalks, the foliage is the main attraction. Primarily outdoor plants, they are popular in gardens for adding color and texture to borders, rock gardens, and woodland settings. They are grown for their ornamental foliage and relatively low-maintenance nature.

Saxifragaceae North America
✨ Features: Colorful foliage, attracts pollinators, deer resistant
📖 Read Complete Coral Bells 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 Coral Bells Pulmonaria
Light Partial shade to full sun, depending on the cultivar. Darker-leaved varieties tolerate more sun. Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 7-10 days, depending on weather and soil drainage Every 3-5 days, depending on environmental conditions
Humidity 40-60% 40-60%
Temperature 15-24°C 13-18°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 20-45 cm 20-30 cm (indoors unlikely to reach this)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil rich in organic matter. A mix of potting soil, peat moss, and perlite is suitable. Well-draining, humus-rich soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Coral Bells

Scientific Name Heuchera spp.
Family Saxifragaceae
Native To North America
Also Known As Coral Bells, Alumroot
Leaves The leaves are typically heart-shaped or rounded with scalloped or ruffled edges. They come in a wide range of colors, including shades of green, purple, red, bronze, and silver. The texture can be smooth, velvety, or slightly hairy, depending on the cultivar. Leaf size varies, but they are generally 5-10 cm in diameter.
Flowers Coral Bells produce small, bell-shaped flowers on slender stalks that rise above the foliage. The flowers are typically white, pink, or red. Flowering occurs in late spring to early summer. While they may flower indoors under ideal conditions, it is rare.

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

Coral Bells

Height 20-45 cm
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Coral Bells form a neat, mounded habit. They grow from a central crown and spread slowly via rhizomes, forming clumps over time. The flower stalks rise above the foliage, adding vertical interest.

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

Coral Bells

Methods: Division, Seed, Stem cuttings

Difficulty: Moderate

Tips: Divide established clumps in spring or fall. For stem cuttings, take cuttings in spring and root in moist soil. Seeds can be sown in spring, but may not come true to type.

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

Coral Bells

Coral Bells are known for their diverse foliage colors and textures, ranging from deep purples and reds to bright greens and silvers. The foliage remains attractive throughout the growing season, providing long-lasting visual interest. While the flowers are small, they attract pollinators and add a delicate touch to the plant.

  • ✓ Adds vibrant color to shady areas
  • ✓ Attracts pollinators like hummingbirds
  • ✓ Deer resistant
  • ✓ Provides textural interest in the garden
  • ✓ Relatively low maintenance
  • ⚠️ 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

Coral Bells

Repotting Not typically grown in pots indoors. If grown in containers, repot every 2-3 years in spring.
Pruning Remove dead or damaged leaves as needed. Cut back flower stalks after blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied once in spring and again in mid-summer.
Seasonal Care In winter, mulch around the base of the plant to protect the roots from freezing temperatures. In summer, provide shade during the hottest part of the day to prevent leaf scorch.

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

Coral Bells

Partial shade to full sun, depending on the cultivar. Darker-leaved varieties tolerate more sun.

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

Coral Bells

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage. Signs of overwatering include yellowing leaves and a mushy base. Underwatering results in wilting and dry, crispy leaves.

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

Coral Bells

Temperature: 15-24°C

Humidity: 40-60%

Pulmonaria

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Coral Bells

Coral Bells

Heuchera spp.
Care: Expert Time: 10 minutes weekly Beginner: No

Gardeners looking to add colorful foliage and texture to their shade gardens.

✅ Choose This Plant If...

  • You want a plant with vibrant, colorful foliage that lasts all season.
  • You need a plant that is deer-resistant.
  • You want to attract pollinators to your garden.
  • You have a shady spot in your garden that needs some visual interest.
  • You want a low-maintenance plant that is relatively easy to care for outdoors.

❌ Skip This Plant If...

  • You are looking for an easy indoor plant.
  • You have pets that might ingest the plant.
  • You don't have a suitable outdoor location with partial shade.
📍 Ideal Location: Outdoor garden bed with partial shade
🎨 Style: Cottage, Woodland, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Heuchera species contain insoluble calcium oxalates. Chewing or ingesting any part of the plant can cause oral irritation, excessive drooling, and vomiting in dogs, cats, and horses.
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

🌿

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

Coral Bells Care Tips

Coral Bells are primarily outdoor plants and can be challenging to grow indoors. They require specific light and humidity conditions that are difficult to replicate indoors. Indoor plants often suffer from poor air circulation and inconsistent watering, leading to fungal diseases. Requires very bright light and good air circulation indoors.

  • Choose a cultivar that is well-suited to your local climate.
  • Plant in well-draining soil to prevent root rot.
  • Provide shade during the hottest part of the day to prevent leaf scorch.
  • Mulch around the base of the plant to help retain moisture and suppress weeds.
  • Divide established clumps every few years to maintain vigor.
❄️ Winter: In colder climates, mulch around the base of the plant to protect the roots from freezing temperatures. Remove any dead or damaged foliage. Reduce watering during the dormant season.
☀️ Summer: Provide shade during the hottest part of the day to prevent leaf scorch. Water regularly to keep the soil moist but not soggy. Fertilize lightly in mid-summer to promote continued growth.

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

Coral Bells

Common Issues: Root rot, Powdery mildew, Leaf scorch, Vine weevil
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Treat with fungicide if necessary.|Powdery mildew: Improve air circulation and treat with fungicide.|Leaf scorch: Provide shade during the hottest part of the day.|Vine weevil: Use nematodes or insecticides to control infestations.

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

Coral Bells

What are the light requirements for Coral Bells?

Coral Bells thrive in partial shade, where they receive morning sun and afternoon shade. In hotter climates, full shade is preferable to prevent leaf scorch. The intensity of the leaf color can be affected by light exposure; darker-leaved varieties tend to tolerate more sun, while lighter-leaved varieties need more shade.

How do I care for Coral Bells?

Coral Bells prefer partial shade to full sun, with morning sun and afternoon shade being ideal. They thrive in well-draining soil rich in organic matter. Water thoroughly when the top inch of soil feels dry, but avoid overwatering, which can lead to root rot. Fertilize lightly in spring with a balanced fertilizer.

How do I propagate Coral Bells?

Coral Bells can be propagated through division, stem cuttings, or keiki (small plantlets that form on the flower stalks).

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: April 27, 2026 — Plant care data reviewed and verified by our editorial team.