Kalanchoe Blossfeldiana vs Pulmonaria Plant Comparison

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

Kalanchoe Blossfeldiana

Kalanchoe Blossfeldiana

Kalanchoe blossfeldiana

VS
Pulmonaria

Pulmonaria

Pulmonaria officinalis

Kalanchoe Blossfeldiana

Kalanchoe Blossfeldiana

Kalanchoe blossfeldiana

Kalanchoe blossfeldiana is a popular succulent known for its vibrant, long-lasting flowers. It's a relatively small, bushy plant, typically grown as a houseplant. The plant features thick, scalloped, dark green leaves. It is naturally an outdoor plant in warmer climates, but is widely cultivated indoors for its ease of care and colorful blooms, which come in shades of red, pink, orange, yellow, and white. People grow it for its bright flowers, low maintenance, and ability to thrive in dry conditions.

Crassulaceae Madagascar
✨ Features: Long-lasting blooms, drought-tolerant
📖 Read Complete Kalanchoe Blossfeldiana 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 Kalanchoe Blossfeldiana Pulmonaria
Light Bright, indirect light. Needs at least 6 hours of bright light to bloom well. Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 2-3 weeks, depending on environmental conditions Every 3-5 days, depending on environmental conditions
Humidity 30-50% 40-60%
Temperature 18-24°C 13-18°C
Care Level Easy Expert
Growth Rate Slow Moderate
Max Height 15-30 cm 20-30 cm (indoors unlikely to reach this)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining, humus-rich soil
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Kalanchoe Blossfeldiana

Scientific Name Kalanchoe blossfeldiana
Family Crassulaceae
Native To Madagascar
Also Known As Flaming Katy, Florist Kalanchoe, Christmas Kalanchoe, Madagascar Widow's-thrill
Leaves Thick, succulent leaves with scalloped edges. The leaves are typically dark green and have a slightly waxy texture. They are oval to oblong in shape and about 5-7 cm long.
Flowers Yes, it flowers indoors readily with proper care. The flowers are small, four-petaled, and come in clusters. Common colors include red, pink, orange, yellow, and white. Flowering typically occurs in winter and spring.

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

Kalanchoe Blossfeldiana

Height 15-30 cm
Spread 15-30 cm
Growth Rate Slow
Growth Pattern Bushy, upright growth habit. It forms a compact, rounded shape with multiple stems emerging from the base.

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

Kalanchoe Blossfeldiana

Methods: Stem cuttings, Leaf cuttings

Difficulty: Easy

Tips: Allow cuttings to callous over for a few days before planting in well-draining soil. Keep the soil lightly moist 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

Kalanchoe Blossfeldiana

Kalanchoe blossfeldiana is known for its long-lasting, vibrant flowers that come in a variety of colors. It's a relatively small and compact succulent, making it ideal for growing indoors in small spaces. Its ability to rebloom with proper care is another unique characteristic.

  • ✓ Adds a splash of color to any room
  • ✓ Easy to care for, even for beginners
  • ✓ Drought-tolerant, requiring minimal watering
  • ✓ Long-lasting blooms provide extended enjoyment
  • ✓ Compact size makes it ideal for small spaces
  • ⚠️ 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

Kalanchoe Blossfeldiana

Repotting Every 1-2 years, or when the plant becomes root-bound
Pruning Pinch back stems after flowering to encourage bushier growth. Remove spent flowers to promote new blooms.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied during the growing season (spring and summer) every 4-6 weeks.
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round to encourage blooming.

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

Kalanchoe Blossfeldiana

Bright, indirect light. Needs at least 6 hours of bright light to bloom well.

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

Kalanchoe Blossfeldiana

Allow the soil to dry out completely between waterings. Overwatering can lead to root rot. Water thoroughly when the soil is dry to the touch. Signs of overwatering include yellowing leaves and a mushy stem. Underwatering is indicated by shriveled 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

Kalanchoe Blossfeldiana

Temperature: 18-24°C

Humidity: 30-50%

Pulmonaria

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Kalanchoe Blossfeldiana

Kalanchoe Blossfeldiana

Kalanchoe blossfeldiana
Care: Easy Time: 5 minutes weekly Beginner: Yes

Beginners looking for a low-maintenance, flowering houseplant.

✅ Choose This Plant If...

  • You want a plant that flowers indoors easily.
  • You are looking for a low-maintenance succulent.
  • You want a plant with bright, cheerful colors.
  • You tend to underwater rather than overwater.
  • You have a bright, sunny windowsill.

❌ Skip This Plant If...

  • You tend to overwater plants.
  • You have pets that might ingest the plant.
  • You don't have a location with bright light.
  • You dislike succulents.
📍 Ideal Location: Bright windowsill, sunroom, or well-lit room
🎨 Style: Modern, Eclectic, Contemporary
🏠 Apartment Friendly: Yes
⚠️ Toxic to dogs, cats, and horses. Contains cardiac glycosides. Symptoms include vomiting, diarrhea, and heart abnormalities.
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 Kalanchoe Blossfeldiana
Pet Friendly Neither - caution
Less Maintenance Kalanchoe Blossfeldiana
Apartment Friendly Kalanchoe Blossfeldiana

⚡ Key Differences Between These Plants

🎯

Kalanchoe Blossfeldiana is rated Easy care level, while Pulmonaria is Expert.

📈

Kalanchoe Blossfeldiana has slow growth, while Pulmonaria grows moderate.

💡 Pro Tips For Comparing These Plants

Kalanchoe Blossfeldiana Care Tips

Kalanchoe blossfeldiana is a low-maintenance succulent that thrives on neglect. Provide bright light, well-draining soil, and infrequent watering. It's relatively easy to care for indoors, provided it gets enough light to encourage blooming. Avoid overwatering to prevent root rot.

  • Allow the soil to dry completely between waterings.
  • Provide at least 6 hours of bright, indirect light daily.
  • Fertilize sparingly during the growing season.
  • Pinch back stems after flowering to encourage bushier growth.
  • Provide a period of short days (long nights) to induce flowering.
❄️ Winter: Reduce watering frequency. Ensure the plant receives adequate light, even during shorter days. Avoid placing near cold drafts.
☀️ Summer: Protect from intense, direct sunlight to prevent leaf burn. Water more frequently as the soil dries out faster in warmer temperatures. Fertilize during the growing season.

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

Kalanchoe Blossfeldiana

Common Issues: Root rot, Powdery mildew, Aphids, Lack of blooming
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 fungicide.|Aphids: Spray with insecticidal soap.|Lack of blooming: Provide sufficient bright light and allow a period of short days (long nights) to induce flowering.

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

Kalanchoe Blossfeldiana

What are the light requirements for Kalanchoe Blossfeldiana?

Kalanchoe Blossfeldiana needs bright, indirect sunlight to thrive and produce abundant blooms. A south or east-facing window is usually ideal, but avoid intense, direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. If your plant doesn’t receive enough natural light, consider supplementing with a grow light. Insufficient light can lead to leggy growth and a lack of flowering. Rotate your plant regularly to ensure even light exposure on all sides. During the shorter days of winter, providing extra light can help maintain healthy growth. Observe your plant’s leaves; if they appear pale or stretched, it’s a sign that it needs more light.

How do I care for Kalanchoe Blossfeldiana?

Kalanchoe Blossfeldiana thrives in bright, indirect sunlight. Water thoroughly only when the soil is dry to the touch, typically every 1-2 weeks, and ensure proper drainage to prevent root rot. Use a well-draining succulent or cactus potting mix. Maintain temperatures between 60-85°F (15-29°C). Fertilize sparingly, only during the growing season (spring/summer), with a balanced liquid fertilizer diluted to half strength. To encourage reblooming, provide long periods of darkness (12-14 hours) for several weeks. Prune spent flowers to promote new growth. Avoid overwatering, as this is the most common cause of problems. Inspect regularly for pests like mealybugs and treat promptly. Repot only when the plant becomes root-bound.

How do I propagate Kalanchoe Blossfeldiana?

Kalanchoe Blossfeldiana can be easily propagated through leaf cuttings, stem cuttings, or offsets.

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 4, 2026 — Plant care data reviewed and verified by our editorial team.