Bugloss vs Fern Leaf Lavender Plant Comparison

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

Bugloss

Bugloss

Anchusa azurea

VS
Fern Leaf Lavender

Fern Leaf Lavender

Lavandula pinnata

Bugloss

Bugloss

Anchusa azurea

Anchusa azurea, commonly known as Large Blue Alkanet, is a herbaceous perennial primarily grown outdoors for its vibrant blue flowers. It features coarse, hairy leaves and an upright, branching habit. Typically reaching heights of 3-5 feet, it's a robust plant that thrives in sunny locations. While admired for its striking blooms that attract pollinators, it's not typically grown indoors due to its size, light requirements, and potential for aggressive spread via rhizomes.

Boraginaceae Europe, Western Asia
✨ Features: Attracts pollinators, vibrant blue flowers
📖 Read Complete Bugloss Guide
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

Quick Plant Comparison

Feature Bugloss Fern Leaf Lavender
Light Full sun (at least 6 hours of direct sunlight per day) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 7-10 days during the growing season, less frequently in winter. Every 7-14 days, depending on environmental conditions
Humidity 30-50% 30-50%
Temperature 15-25°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height N/A (Outdoor plant, not suited for indoor growing) 0.3-0.9 meters (1-3 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained soil, tolerates a range of soil types including sandy and loamy soils. Well-draining, sandy or gravelly soil with a slightly alkaline pH (6.5-8.0)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during the growing season. 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Bugloss

Scientific Name Anchusa azurea
Family Boraginaceae
Native To Europe, Western Asia
Also Known As Large Blue Alkanet, Garden Anchusa, Italian Bugloss, Blue Bugloss
Leaves Large, lance-shaped, and hairy leaves with a rough texture. Typically a medium to dark green color.
Flowers Produces clusters of vibrant blue, five-petaled flowers in spring and summer. The flowers are small but numerous, creating a striking display.

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.

📏 Size & Growth — Plant Comparison

Bugloss

Height N/A (Outdoor plant, not suited for indoor growing)
Spread N/A (Outdoor plant, spreads via rhizomes)
Growth Rate Fast
Growth Pattern Upright, branching habit, forming a clump of coarse, hairy foliage. Spreads via rhizomes, potentially becoming invasive in some situations.

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.

🌱 Propagation — Comparing Plant Growth

Bugloss

Methods: Seed, Root cuttings, Division

Difficulty: Moderate

Tips: Sow seeds in spring or fall. Root cuttings can be taken in late fall or early spring. Divide established clumps in early spring or fall.

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.

✨ Benefits & Features — Comparing Plant Value

Bugloss

The intense blue color of the flowers is a standout feature. It's a robust perennial that attracts a variety of pollinators. However, its toxicity to pets and potential for aggressive spread should be considered.

  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Adds vibrant blue color to the garden
  • ✓ Relatively low-maintenance once established
  • ✓ Tolerates a range of soil types
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Bugloss

Repotting N/A (Outdoor plant)
Pruning Deadhead spent flowers to encourage further blooming. Cut back foliage in late fall after it has died back.
Fertilizing Apply a balanced fertilizer (10-10-10) in spring before new growth emerges. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.
Seasonal Care Cut back spent flower stalks to encourage further blooming. In colder climates, mulch around the base of the plant to protect the roots during winter. Reduce watering in winter.

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.

🌞 Light Requirements

Bugloss

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Fern Leaf Lavender

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

Low light tolerant: ❌ No

💧 Watering Needs

Bugloss

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During hot, dry periods, more frequent watering may be necessary. Reduce watering in the fall and winter.

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.

🌡️ Temperature & Humidity

Bugloss

Temperature: 15-25°C

Humidity: 30-50%

Fern Leaf Lavender

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Bugloss

Bugloss

Anchusa azurea
Care: Expert Time: 15 minutes weekly during the growing season. Beginner: No

Gardeners seeking a vibrant blue, pollinator-attracting perennial for sunny borders.

✅ Choose This Plant If...

  • You want a plant with vibrant blue flowers that attract pollinators.
  • You have a sunny garden border or cottage garden.
  • You are looking for a relatively low-maintenance perennial once established.
  • You want a plant that can tolerate a range of soil types.
  • You are aware of the toxicity to pets and can ensure it is planted where pets cannot access it.

❌ Skip This Plant If...

  • You have limited sunlight in your garden.
  • You have pets that may ingest the plant.
  • You prefer plants that are easy to control and don't spread aggressively.
📍 Ideal Location: Sunny garden border or cottage garden.
🎨 Style: Cottage, Bohemian, Traditional
🏠 Apartment Friendly: No
⚠️ Contains pyrrolizidine alkaloids, which are toxic to horses, dogs and cats. Symptoms include liver damage, photosensitization, and neurological signs. All parts of the plant are considered toxic.
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.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Bugloss needs full sun (at least 6 hours of direct sunlight per day), while Fern Leaf Lavender prefers full sun (at least 6-8 hours of direct sunlight daily).

📈

Bugloss has fast growth, while Fern Leaf Lavender grows moderate.

💡 Pro Tips For Comparing These Plants

Bugloss Care Tips

Anchusa azurea is an outdoor perennial that requires full sun and well-drained soil. It is not suitable for indoor growing due to its size and light requirements. It can spread aggressively via rhizomes. Toxicity to pets is a significant concern.

  • Provide full sun for optimal flowering.
  • Ensure well-drained soil to prevent root rot.
  • Deadhead spent flowers to encourage further blooming.
  • Monitor for pests and diseases, and treat promptly.
  • Be aware of the plant's toxicity to pets and take precautions.
❄️ Winter: Cut back dead foliage in late fall. Mulch around the base of the plant to protect the roots from freezing temperatures.
☀️ Summer: Water regularly during hot, dry periods. Deadhead spent flowers to encourage further blooming. Monitor for pests and diseases.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Bugloss

Common Issues: Powdery mildew, Slugs and snails, Root rot
Solutions: Ensure good air circulation to prevent powdery mildew. Use slug and snail bait or handpick pests. Improve soil drainage to prevent root rot.

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.

❓ Frequently Asked Questions — Comparing These Plants

Bugloss

What are the light requirements for Bugloss?

Bugloss flourishes in full sun, requiring at least six hours of direct sunlight daily. However, it can also tolerate partial shade, especially in hotter climates. Insufficient light can lead to leggy growth and reduced flowering. When grown indoors, place Bugloss near a sunny window, preferably south-facing. Rotate the plant regularly to ensure even light exposure. If natural light is limited, consider supplementing with grow lights to promote healthy growth and abundant blooms. Monitor the plant for signs of light stress, such as pale or yellowing leaves, and adjust its position accordingly. Remember, adequate light is crucial for the plant’s overall health and flowering potential.

How do I care for Bugloss?

Bugloss thrives in well-draining soil and requires moderate watering, allowing the soil to dry slightly between waterings. Provide full sun to partial shade for optimal growth and flowering. Fertilize sparingly with a balanced fertilizer during the growing season (spring and summer). Deadhead spent flowers to encourage continuous blooming. Bugloss is relatively low-maintenance, but regular monitoring for pests and diseases is recommended. Ensure good air circulation to prevent fungal issues. Prune back after flowering to maintain shape and promote bushier growth. Repotting is generally not required frequently, but if the plant becomes root-bound, move it to a slightly larger container. Bugloss is generally hardy and can tolerate a range of temperatures, but protection from extreme frost is advisable.

How do I propagate Bugloss?

Bugloss can be propagated through division, stem cuttings, and, in some cases, root cuttings. For division, carefully separate the plant at the roots in spring or fall. For stem cuttings, take 4-6 inch cuttings from new growth, remove lower leaves, and root in water or moist potting mix. Rooting hormone can improve success. For root cuttings, take 2-3 inch sections of root and plant horizontally in moist soil. Keep the soil consistently moist until new growth appears. Division is generally the easiest and most reliable method for Bugloss. Ensure the parent plant is healthy before attempting propagation. Provide adequate light and humidity to the new propagules.

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.

Last updated: April 24, 2026 — Plant care data reviewed and verified by our editorial team.