Common Myrtle vs Honesty Plant Comparison

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

Common Myrtle

Common Myrtle

Myrtus communis

VS
Honesty

Honesty

Lunaria annua

Common Myrtle

Common Myrtle

Myrtus communis

Myrtus communis, or Common Myrtle, is an evergreen shrub or small tree known for its aromatic foliage and attractive white flowers followed by dark berries. It is primarily an outdoor plant, thriving in warm climates. People grow it for its ornamental value in gardens, hedges, and topiary. It is also used in traditional medicine and culinary applications. While it can be brought indoors, it requires very specific conditions to thrive and often struggles to maintain its health and vigor.

Myrtaceae Mediterranean region
✨ Features: Aromatic foliage, attractive flowers and berries, used in traditional medicine and culinary applications.
📖 Read Complete Common Myrtle Guide
Honesty

Honesty

Lunaria annua

Lunaria annua, commonly known as Honesty, is a biennial plant often grown as an annual. It features heart-shaped, toothed leaves and produces clusters of fragrant, purple or white flowers in spring and summer. The plant is most prized for its distinctive, translucent, papery seedpods that resemble silver coins, hence the common names. It typically grows to a height of 60-90 cm (2-3 feet). While primarily an outdoor plant, it's grown for its ornamental seedpods, which are often dried and used in floral arrangements. It is not naturally an indoor plant and will struggle in typical indoor conditions.

Brassicaceae Southeastern Europe and Western Asia
✨ Features: Ornamental seedpods, fragrant flowers
📖 Read Complete Honesty Guide

Quick Plant Comparison

Feature Common Myrtle Honesty
Light Full sun to partial shade outdoors. Indoors, requires at least 6 hours of direct sunlight daily. Full sun to partial shade
Watering Outdoors: Every 7-14 days depending on weather. Indoors: Every 7-10 days, adjusting for humidity and light. Every 7-10 days outdoors, depending on rainfall and temperature
Humidity 40-60% 40-60%
Temperature 15-27°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Indoors: 0.6-1.2 meters (2-4 feet). Outdoors: 1-5 meters (3-16 feet) N/A (primarily grown outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix with added perlite or sand. Well-draining soil, such as a mix of garden soil, compost, and perlite
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 10 minutes weekly (weeding, watering)

🔬 Botanical Information — Comparing These Plants

Common Myrtle

Scientific Name Myrtus communis
Family Myrtaceae
Native To Mediterranean region
Also Known As Common Myrtle, True Myrtle
Leaves The leaves are small, oval-shaped, and glossy green. They are arranged oppositely on the stems and have a distinct aromatic scent when crushed.
Flowers Outdoors, it produces small, fragrant white flowers with prominent stamens in late spring to early summer. Indoors, flowering is less common but possible with optimal conditions.

Honesty

Scientific Name Lunaria annua
Family Brassicaceae
Native To Southeastern Europe and Western Asia
Also Known As Honesty, Silver Dollar Plant, Money Plant, Moonwort
Leaves Heart-shaped, toothed leaves that are typically 5-15 cm (2-6 inches) long. The leaves are medium green and have a slightly rough texture.
Flowers Produces clusters of fragrant, purple or white flowers in spring and summer. The flowers are small, about 2 cm (0.75 inches) in diameter, and have four petals.

📏 Size & Growth — Plant Comparison

Common Myrtle

Height Indoors: 0.6-1.2 meters (2-4 feet). Outdoors: 1-5 meters (3-16 feet)
Spread Indoors: 0.3-0.9 meters (1-3 feet). Outdoors: 1-3 meters (3-10 feet)
Growth Rate Moderate
Growth Pattern Outdoors, it grows as a dense, multi-stemmed shrub or small tree. Indoors, it tends to be more compact and can be trained into a small tree or topiary.

Honesty

Height N/A (primarily grown outdoors)
Spread 30-60 cm (1-2 feet)
Growth Rate Fast
Growth Pattern Upright, branching plant that typically grows to a height of 60-90 cm (2-3 feet). It forms a bushy habit with multiple stems emerging from the base.

🌱 Propagation — Comparing Plant Growth

Common Myrtle

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Dip in rooting hormone and plant in well-draining soil. Keep moist and provide indirect light.

Honesty

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in spring or fall. Seeds can also be started indoors 6-8 weeks before the last frost. Ensure good soil contact and keep the soil moist until germination.

✨ Benefits & Features — Comparing Plant Value

Common Myrtle

Myrtus communis is known for its highly aromatic foliage, which releases a pleasant scent when crushed. It also produces attractive white flowers followed by dark berries, adding to its ornamental appeal.

  • ✓ Aromatic foliage provides a pleasant scent.
  • ✓ Attractive flowers and berries add visual interest.
  • ✓ Can be used in culinary applications.
  • ✓ Historically significant plant with cultural symbolism.
  • ✓ Can be shaped into hedges or topiary.
  • ⚠️ Toxic to pets

Honesty

The translucent, papery seedpods are its most distinctive feature, giving it the common name 'Silver Dollar Plant'. The plant's ability to self-seed readily allows for natural propagation and a continuous display in the garden. Its fragrant flowers attract pollinators, contributing to garden biodiversity.

  • ✓ Provides ornamental seedpods for dried arrangements.
  • ✓ Attracts pollinators to the garden.
  • ✓ Adds visual interest to the garden in fall and winter.
  • ✓ Low-maintenance once established.
  • ✓ Fragrant flowers enhance the garden experience.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Common Myrtle

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Best done in late winter or early spring.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring/summer).
Seasonal Care In winter, reduce watering and provide bright light. Protect from frost outdoors. In summer, ensure adequate watering and protect from intense afternoon sun.

Honesty

Repotting N/A (primarily grown outdoors)
Pruning Cut back the plant after flowering to encourage seedpod production. Remove any dead or damaged foliage.
Fertilizing Balanced fertilizer (10-10-10) during the growing season (spring and summer), diluted to half strength, every 4-6 weeks.
Seasonal Care In spring, sow seeds or transplant seedlings. Water regularly during the growing season. In fall, allow seedpods to dry on the plant before harvesting. Cut back the plant after seedpods are harvested.

🌞 Light Requirements

Common Myrtle

Full sun to partial shade outdoors. Indoors, requires at least 6 hours of direct sunlight daily.

Low light tolerant: ❌ No

Honesty

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Common Myrtle

Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves. Ensure good drainage.

Honesty

Water regularly, especially during dry periods. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of underwatering include wilting leaves, while overwatering can cause yellowing and leaf drop.

🌡️ Temperature & Humidity

Common Myrtle

Temperature: 15-27°C

Humidity: 40-60%

Honesty

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Common Myrtle

Common Myrtle

Myrtus communis
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners looking for a fragrant, ornamental plant to grow outdoors in suitable climates.

✅ Choose This Plant If...

  • You appreciate fragrant foliage and flowers.
  • You live in a Mediterranean climate.
  • You want to create a formal garden or topiary.
  • You are an experienced gardener looking for a rewarding challenge.
  • You want to use the plant for culinary or medicinal purposes.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide ample direct sunlight indoors.
  • You are a beginner gardener.
📍 Ideal Location: Outdoors: Sunny garden or patio. Indoors: South-facing window with maximum sunlight.
🎨 Style: Mediterranean, Traditional, Cottage
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Myrtus communis contains essential oils that are toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (vomiting, diarrhea), and dermatitis.
Honesty

Honesty

Lunaria annua
Care: Expert Time: 10 minutes weekly (weeding, watering) Beginner: No

Gardeners who want to add unique, ornamental seedpods to their garden and dried flower arrangements.

✅ Choose This Plant If...

  • You love unique dried flower arrangements and want to grow your own materials.
  • You have a sunny garden spot and enjoy cottage-style gardens.
  • You want to attract pollinators to your garden with its fragrant flowers.
  • You enjoy the sound of rustling seedpods in the breeze.
  • You want a low-maintenance plant that adds visual interest to your garden in the fall and winter.

❌ Skip This Plant If...

  • You have pets that might ingest the plant, as it is toxic.
  • You don't have a sunny outdoor space.
  • You are looking for a plant that thrives indoors.
📍 Ideal Location: Outdoor garden or flower bed with full sun exposure
🎨 Style: Cottage, Rustic, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Honesty is toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include oral irritation, salivation, vomiting, and diarrhea.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Common Myrtle has moderate growth, while Honesty grows fast.

💡 Pro Tips For Comparing These Plants

Common Myrtle Care Tips

Common Myrtle is primarily an outdoor plant and requires specific conditions to thrive indoors, including ample direct sunlight, well-draining soil, and moderate humidity. It is prone to pests and diseases and requires regular monitoring. Maintaining its health indoors can be challenging.

  • Provide excellent drainage to prevent root rot.
  • Ensure ample direct sunlight, especially when grown indoors.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Monitor for pests and diseases and treat promptly.
  • Use rainwater or distilled water to avoid mineral buildup in the soil.
❄️ Winter: Reduce watering frequency. Provide bright, indirect light. Protect from frost if outdoors. Avoid fertilizing during dormancy.
☀️ Summer: Ensure adequate watering, especially during hot weather. Provide some shade during the hottest part of the day to prevent leaf scorch. Fertilize regularly during the growing season.

Honesty Care Tips

Honesty is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements. It needs full sun to thrive and produce abundant seedpods. Indoor cultivation is not recommended unless you can provide very bright light and proper ventilation.

  • Allow seedpods to dry on the plant before harvesting for best results.
  • Provide well-draining soil to prevent root rot.
  • Water regularly during dry periods, especially when plants are young.
  • Deadhead spent flowers to encourage more seedpod production.
  • Protect from strong winds, which can damage the seedpods.
❄️ Winter: In colder climates, the plant may die back to the ground in winter. Mulch around the base of the plant to protect the roots. Allow seedpods to remain on the plant for winter interest.
☀️ Summer: Water regularly during dry periods. Provide some afternoon shade in hot climates to prevent leaf scorch. Monitor for pests and diseases and treat as needed.

⚠️ Common Problems & Solutions — Plant Care Comparison

Common Myrtle

Common Issues: Scale, spider mites, aphids, root rot
Solutions: Scale, spider mites, aphids: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering frequency, and repot in fresh soil.

Honesty

Common Issues: Powdery mildew, leaf spot, aphids, slugs
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Leaf spot: Remove affected leaves and apply a fungicide. Aphids: Spray with insecticidal soap. Slugs: Use slug bait or handpick them off the plants.

❓ Frequently Asked Questions — Comparing These Plants

Common Myrtle

What are the light requirements for Common Myrtle?

Common Myrtle requires bright, indirect light to thrive indoors. A south- or east-facing window is ideal, providing ample sunlight without direct exposure, which can scorch the leaves. If natural light is insufficient, supplement with a grow light. Rotate the plant regularly to ensure even growth on all sides. Signs of insufficient light include leggy growth and pale leaves. Avoid placing the plant in dark corners or areas with minimal light exposure. The goal is to mimic the bright, sunny conditions of its native Mediterranean habitat.

How do I care for Common Myrtle?

Common Myrtle thrives indoors with bright, indirect light. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a consistent temperature between 60-75°F (15-24°C). Humidity levels should be moderate, around 40-60%. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Protect from drafts and sudden temperature changes. Monitor for pests like spider mites and scale, and treat promptly. Provide consistent care, avoiding extremes in temperature, watering, and light.

How do I propagate Common Myrtle?

Common Myrtle can be propagated through stem cuttings or air layering. For stem cuttings, take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to maintain humidity. Rooting should occur in 4-6 weeks. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover with plastic wrap. Secure the plastic wrap with tape. Once roots develop, cut the stem below the roots and plant it in a pot. Both methods require patience and consistent moisture.

Honesty

What are the light requirements for Honesty?

Honesty prefers partial shade, especially in hotter climates. While it can tolerate full sun, too much direct sunlight can scorch the leaves and fade the flowers. In cooler regions, Honesty can thrive in full sun, but afternoon shade is still beneficial. When grown indoors, place Honesty near a bright, east-facing window that receives morning sun. Avoid south-facing windows that provide intense afternoon sun. If you don’t have access to natural light, you can supplement with artificial grow lights. Ensure the lights are positioned about 12-18 inches above the plant and provide at least 14-16 hours of light per day. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Honesty?

Honesty is relatively easy to care for, making it a great choice for beginner gardeners. It thrives in well-draining soil and prefers partial shade, although it can tolerate full sun in cooler climates. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize sparingly, using a balanced fertilizer in spring to promote healthy growth and flowering. Deadhead spent flowers to encourage further blooming. Honesty is typically grown as a biennial, meaning it completes its life cycle in two years. In the first year, it focuses on vegetative growth, and in the second year, it flowers and produces seedpods. After the seedpods mature and dry, they can be harvested for decorative purposes. Honesty self-seeds readily, so be prepared for new plants to appear in subsequent years. Pruning is not typically required, but you can trim back the plant after flowering to maintain its shape.

How do I propagate Honesty?

Honesty can be propagated by seeds or by division. To propagate by seeds, collect the seeds from mature seedpods and sow them in spring or fall. Sow seeds directly into the garden or start them indoors in seed trays. Keep the soil moist and provide bright, indirect light. To propagate by division, carefully dig up the plant in spring or fall and divide the root ball into several sections. Replant the divisions in fresh, well-draining soil. Ensure each division has healthy roots and shoots. Division is not always successful, as Honesty can be sensitive to root disturbance. Stem cuttings and keiki propagation are not applicable to Honesty.

Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.