Fern Leaf Lavender vs Lungwort Plant Comparison

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

Fern Leaf Lavender

Fern Leaf Lavender

Lavandula pinnata

VS
Lungwort

Lungwort

Pulmonaria officinalis

Fern Leaf Lavender

Fern Leaf Lavender

Lavandula pinnata

Lavandula pinnata, commonly known as Fern Leaf Lavender, is a perennial shrub characterized by its deeply divided, fern-like leaves, which distinguish it from other lavender species. It typically grows to a height of 1-3 feet. The plant produces fragrant, purple-blue flowers on long stalks, attracting pollinators. While it can be grown in containers, it is primarily an outdoor plant, thriving in sunny, well-drained conditions. People grow it for its unique foliage, aromatic properties, and ornamental value in gardens and landscapes. It is less cold-hardy than English lavender.

Lamiaceae Southern Spain, Portugal, and North Africa
✨ Features: Aromatic foliage, attracts pollinators, unique fern-like leaves
📖 Read Complete Fern Leaf Lavender Guide
Lungwort

Lungwort

Pulmonaria officinalis

Pulmonaria officinalis, commonly known as Lungwort, is a herbaceous perennial native to Europe. It's characterized by its distinctive spotted leaves, which are typically green with white or silver blotches. 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 as an ornamental plant in gardens for its attractive foliage and early spring blooms. It is NOT naturally an indoor plant and will struggle without proper conditions.

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

Quick Plant Comparison

Feature Fern Leaf Lavender Lungwort
Light Full sun (at least 6-8 hours of direct sunlight daily) Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 7-14 days, depending on environmental conditions Every 3-5 days, depending on weather and soil drainage
Humidity 30-50% 40-60%
Temperature 18-27°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.3-0.9 meters (1-3 feet) 0.3-0.6 meters (indoors unlikely to reach this)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, sandy or gravelly soil with a slightly alkaline pH (6.5-8.0) Well-draining, humus-rich soil with a slightly acidic to neutral pH
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Fern Leaf Lavender

Scientific Name Lavandula pinnata
Family Lamiaceae
Native To Southern Spain, Portugal, and North Africa
Also Known As Fern Leaf Lavender, Jagged Lavender, Cutleaf Lavender
Leaves The leaves of Fern Leaf Lavender are deeply divided and fern-like, with narrow, linear segments. They are typically gray-green in color and have a slightly fuzzy texture. The leaves are highly aromatic, releasing a strong lavender scent when crushed.
Flowers Fern Leaf Lavender produces fragrant, purple-blue flowers on long stalks in summer. While it can flower indoors under ideal conditions (very bright light), it is more likely to flower profusely outdoors.

Lungwort

Scientific Name Pulmonaria officinalis
Family Boraginaceae
Native To Europe
Also Known As Lungwort, Common Lungwort, Jerusalem Cowslip, Spotted Dog
Leaves The leaves of Lungwort are ovate to lance-shaped, typically 10-25 cm long, and have a rough texture. They are characteristically green with white or silver spots, which vary in size and distribution depending on the cultivar. The spots are caused by air pockets within the leaf tissue.
Flowers Lungwort flowers in early spring. The flowers are small, bell-shaped, and borne in clusters. They start as pink or reddish-purple buds and gradually change to blue or violet as they mature. This color change is due to changes in pH levels within the petals.

📏 Size & Growth — Plant Comparison

Fern Leaf Lavender

Height 0.3-0.9 meters (1-3 feet)
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Fern Leaf Lavender grows as a bushy, upright shrub. It typically forms a rounded shape with multiple stems emerging from the base. The plant does not spread aggressively.

Lungwort

Height 0.3-0.6 meters (indoors unlikely to reach this)
Spread 0.3-0.6 meters (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Lungwort grows as a low-growing clump, spreading slowly via rhizomes. It forms a dense mat of foliage and produces upright stems with clusters of bell-shaped flowers in the spring.

🌱 Propagation — Comparing Plant Growth

Fern Leaf Lavender

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and plant in well-draining soil. Keep cuttings moist until roots develop. Seeds can be sown in spring after a period of cold stratification.

Lungwort

Methods: Division, Seed, Root cuttings

Difficulty: Easy

Tips: Divide established clumps in early spring or fall. Sow seeds in a cold frame in autumn. Root cuttings can be taken in late winter.

✨ Benefits & Features — Comparing Plant Value

Fern Leaf Lavender

Fern Leaf Lavender is distinguished by its deeply divided, fern-like leaves, which give it a unique texture and appearance compared to other lavender species. It is also less cold-hardy, making it better suited for warmer climates. The foliage releases a strong, pleasant fragrance when touched.

  • ✓ Aromatic fragrance enhances relaxation and reduces stress.
  • ✓ Attracts beneficial pollinators like bees and butterflies to the garden.
  • ✓ Unique fern-like foliage adds visual interest to landscapes.
  • ✓ Can be used to make potpourri and other fragrant crafts.
  • ✓ Relatively drought-tolerant once established, conserving water.
  • ⚠️ Toxic to pets

Lungwort

Lungwort is unique due to its spotted leaves and flowers that change color from pink to blue as they mature. This color change is a result of pH changes within the flower petals. The plant's historical use in herbal medicine also adds to its unique appeal.

  • ✓ Attracts pollinators to the garden
  • ✓ Provides early spring blooms
  • ✓ Adds visual interest with unique foliage
  • ✓ Deer resistant
  • ✓ Thrives in shady areas
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Fern Leaf Lavender

Repotting Repot every 2-3 years, or as needed, into a slightly larger pot with fresh well-draining soil.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Remove dead or damaged stems as needed.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring and summer. Avoid over-fertilizing.
Seasonal Care In spring and summer, water regularly and fertilize lightly. In fall, reduce watering. In winter, protect from frost in colder climates. Prune after flowering to maintain shape.

Lungwort

Repotting Not suitable for long-term container growing indoors. If attempted, repot every 1-2 years, or more frequently if root-bound, using a slightly larger pot.
Pruning Remove dead or damaged leaves regularly. Cut back after flowering to encourage new growth.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied in early spring and again in late spring.
Seasonal Care In spring, fertilize and remove dead foliage. In summer, provide shade and consistent moisture. In fall, divide plants if needed. In winter, provide a layer of mulch for protection.

🌞 Light Requirements

Fern Leaf Lavender

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Lungwort

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

Low light tolerant: ❌ No

💧 Watering Needs

Fern Leaf Lavender

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of underwatering include wilting and dry, crispy leaves. Overwatering symptoms include yellowing leaves and a soggy soil.

Lungwort

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.

🌡️ Temperature & Humidity

Fern Leaf Lavender

Temperature: 18-27°C

Humidity: 30-50%

Lungwort

Temperature: 10-21°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Fern Leaf Lavender

Fern Leaf Lavender

Lavandula pinnata
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who want a unique lavender variety for their outdoor garden in warm climates.

✅ Choose This Plant If...

  • You want a unique lavender variety with fern-like foliage.
  • You live in a warm climate with plenty of sunshine.
  • You want to attract pollinators to your garden.
  • You appreciate aromatic plants with a strong fragrance.
  • You have experience growing lavender and other Mediterranean herbs.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You don't have a sunny location to provide adequate light.
  • You are a beginner gardener with limited experience.
  • You have pets that may ingest the plant.
  • You struggle with overwatering plants.
📍 Ideal Location: Sunny outdoor garden or patio
🎨 Style: Mediterranean, Cottage, Herb Garden
🏠 Apartment Friendly: No
⚠️ Lavender contains linalool and linalyl acetate, which can be toxic to dogs, cats, and horses. Symptoms include nausea, vomiting, and loss of appetite. All parts of the plant are potentially toxic.
Lungwort

Lungwort

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

Experienced gardeners in cooler climates looking for a shade-loving, early-blooming perennial for their garden.

✅ Choose This Plant If...

  • You want a plant with unique spotted foliage that adds visual interest to a shady area.
  • You desire a plant that attracts pollinators to your garden early in the season.
  • You appreciate flowers that change color as they mature.
  • You are looking for a deer-resistant perennial.
  • You have a cool, moist garden environment that mimics its natural habitat.

❌ Skip This Plant If...

  • You have pets that may ingest the plant, as it is toxic to them.
  • You live in a hot, dry climate with intense sunlight.
  • You are looking for a low-maintenance indoor plant, as this plant is difficult to grow indoors.
📍 Ideal Location: Outdoor shade garden or woodland garden. Not suitable for typical indoor environments.
🎨 Style: Cottage, Woodland, 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, vomiting, diarrhea, and abdominal pain. 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 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

Fern Leaf Lavender Care Tips

Fern Leaf Lavender is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements. It is prone to root rot if overwatered. Requires careful monitoring of light, water, and humidity to thrive indoors.

  • Provide at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
  • Ensure well-draining soil to prevent root rot, especially in containers.
  • Prune after flowering to maintain shape and encourage bushier growth.
  • Avoid overwatering; allow the soil to dry out slightly between waterings.
  • Fertilize sparingly with a low-nitrogen fertilizer in spring and summer.
❄️ Winter: In colder climates, protect Fern Leaf Lavender from frost by mulching around the base of the plant or moving container-grown plants indoors. Reduce watering during the winter months, as the plant's growth slows down.
☀️ Summer: During the summer, water Fern Leaf Lavender regularly, especially during hot and dry periods. Provide adequate sunlight and ensure good air circulation to prevent fungal diseases. Prune after flowering to maintain shape and encourage bushier growth.

Lungwort Care Tips

Lungwort is primarily an outdoor plant that requires specific conditions to thrive. Indoor cultivation is challenging due to the need for consistent moisture, cool temperatures, and high humidity. It is prone to fungal diseases and root rot if not properly cared for indoors. Requires dormancy period.

  • Provide consistent moisture, especially during dry periods.
  • Protect from direct sunlight to prevent leaf scorch.
  • Mulch around the base of the plant to retain moisture and suppress weeds.
  • Divide established clumps every few years to maintain vigor.
  • Monitor for slugs and snails and take appropriate action.
❄️ Winter: In winter, Lungwort benefits from a layer of mulch to protect the roots from freezing temperatures. Remove any dead or decaying foliage to prevent fungal diseases. Reduce watering during dormancy.
☀️ Summer: In summer, provide shade to protect Lungwort from intense sunlight, which can scorch the leaves. Ensure consistent moisture, especially during dry periods. Monitor for pests such as slugs and snails.

⚠️ Common Problems & Solutions — Plant Care Comparison

Fern Leaf Lavender

Common Issues: Root rot, Spider mites, Aphids, Fungal diseases
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with water or treat with insecticidal soap. Fungal diseases: Improve air circulation and treat with fungicide.

Lungwort

Common Issues: Powdery mildew, slugs and snails, root rot, leaf spot
Solutions: Improve air circulation to prevent powdery mildew. Use slug and snail bait or handpick them off the plants. Ensure proper drainage to prevent root rot. Remove and destroy infected leaves to prevent leaf spot.

❓ Frequently Asked Questions — Comparing These Plants

Fern Leaf Lavender

What are the light requirements for Fern Leaf Lavender?

Fern Leaf Lavender demands ample sunlight to flourish. Aim for at least 6-8 hours of direct sunlight daily. Insufficient light can lead to leggy growth, reduced flowering, and a weakened plant. When growing indoors, place your Fern Leaf Lavender near a south-facing window where it can receive maximum sunlight. If natural light is limited, consider supplementing with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. In hotter climates, some afternoon shade may be beneficial to prevent scorching. Observe the plant’s growth; if it stretches towards the light, it needs more illumination.

How do I care for Fern Leaf Lavender?

Fern Leaf Lavender thrives in full sun and well-draining soil. Water sparingly, allowing the soil to dry out completely between waterings to prevent root rot. Fertilize lightly in the spring with a balanced fertilizer to encourage blooming. Prune after flowering to maintain shape and promote bushier growth. Provide good air circulation to prevent fungal diseases. Protect from frost in colder climates by bringing potted plants indoors or covering them with frost cloth. Deadhead spent flowers to encourage further blooming. Monitor for pests like aphids and spider mites, and treat accordingly. Avoid overwatering, especially during the winter months. Ensure the plant receives at least 6-8 hours of sunlight daily. Repot every 2-3 years into a slightly larger container with fresh, well-draining soil. Provide adequate drainage in containers to avoid waterlogged soil.

How do I propagate Fern Leaf Lavender?

Fern Leaf Lavender can be propagated through stem cuttings, division, and occasionally from seed. For stem cuttings, take a 4-6 inch cutting from a healthy plant in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in well-draining potting mix and keep it moist. Roots should develop in a few weeks. Division involves separating a mature plant into smaller sections, each with its own roots, and replanting them. This is best done in the spring or fall. While keiki formation is uncommon in lavender, stem layering can be used to encourage root growth along a stem while still attached to the parent plant.

Lungwort

What are the light requirements for Lungwort?

Lungwort thrives in partial to full shade. Direct sunlight can scorch the leaves, especially during the hottest part of the day. Ideally, provide morning sun and afternoon shade, or dappled sunlight throughout the day. When planting Lungwort, consider its light requirements in relation to other plants in your garden. Avoid planting it in areas that receive intense, direct sunlight for extended periods. If growing Lungwort indoors, place it near a north-facing window or in a location with filtered light. Insufficient light can result in leggy growth and reduced flowering.

How do I care for Lungwort?

Lungwort prefers partial to full shade and well-drained, humus-rich soil. Water regularly, especially during dry periods, keeping the soil consistently moist but not soggy. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant blooms. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers. Mulch around the plant to retain moisture and suppress weeds. Deadhead spent flowers to encourage further blooming and prevent self-seeding. Divide established plants every few years to maintain vigor and prevent overcrowding. Monitor for pests such as slugs and snails, and take appropriate action if necessary. Provide good air circulation to prevent fungal diseases.

How do I propagate Lungwort?

Lungwort can be propagated by division, stem cuttings, or root cuttings.

Last updated: April 20, 2026 — Plant care data reviewed and verified by our editorial team.