Common Myrtle vs Hydrangea 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
Hydrangea

Hydrangea

Hydrangea macrophylla

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
Hydrangea

Hydrangea

Hydrangea macrophylla

Hydrangea macrophylla is a deciduous shrub known for its large, showy flower heads. Naturally an outdoor plant, it typically grows to 3-6 feet tall and wide. The flower color is pH-dependent, ranging from blue in acidic soils to pink in alkaline soils. White varieties exist as well. People grow hydrangeas for their ornamental value, particularly the vibrant and long-lasting blooms that add color to gardens. While sometimes forced to bloom indoors, they struggle to thrive long-term as houseplants due to high light and humidity requirements.

Hydrangeaceae Japan
✨ Features: Showy, pH-dependent flower color
📖 Read Complete Hydrangea Guide

Quick Plant Comparison

Feature Common Myrtle Hydrangea
Light Full sun to partial shade outdoors. Indoors, requires at least 6 hours of direct sunlight daily. Bright, indirect light outdoors. Full morning sun with afternoon shade is ideal. Indoors, requires very bright, indirect light, preferably near a south-facing window.
Watering Outdoors: Every 7-14 days depending on weather. Indoors: Every 7-10 days, adjusting for humidity and light. Every 2-3 days outdoors during the growing season, less frequently in winter. Indoors, every 5-7 days, depending on humidity and light levels.
Humidity 40-60% 50-70%
Temperature 15-27°C 16-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Indoors: 0.6-1.2 meters (2-4 feet). Outdoors: 1-5 meters (3-16 feet) Indoors: 1-3 feet (difficult to maintain). Outdoors: 3-6 feet.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix with added perlite or sand. Well-draining, slightly acidic soil rich in organic matter. A mix of peat moss, perlite, and potting soil works well.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly Outdoors: 30 minutes weekly. Indoors: 1 hour weekly (due to increased monitoring).

🔬 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.

Hydrangea

Scientific Name Hydrangea macrophylla
Family Hydrangeaceae
Native To Japan
Also Known As Bigleaf Hydrangea, French Hydrangea, Lacecap Hydrangea, Mophead Hydrangea
Leaves The leaves are large, ovate to elliptic, and coarsely toothed. They are typically dark green and have a slightly leathery texture. Leaf size can range from 4 to 8 inches long.
Flowers Hydrangeas rarely flower indoors unless provided with very specific conditions. Outdoors, they produce large, globe-shaped or flattened flower heads composed of numerous small flowers. The flower color varies depending on the soil pH.

📏 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.

Hydrangea

Height Indoors: 1-3 feet (difficult to maintain). Outdoors: 3-6 feet.
Spread Indoors: 1-2 feet. Outdoors: 3-6 feet.
Growth Rate Moderate
Growth Pattern Outdoors, it grows as a rounded, deciduous shrub with multiple stems. Indoors, its growth is often stunted and less vigorous, rarely achieving its full potential.

🌱 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.

Hydrangea

Methods: Stem cuttings, layering

Difficulty: Moderate

Tips: Take stem cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a humid environment until roots develop.

✨ 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

Hydrangea

The most unique characteristic is the pH-dependent flower color, which allows gardeners to manipulate the blooms from pink to blue. It is also a classic and beloved garden shrub with a long history of cultivation.

  • ✓ Adds vibrant color to the garden
  • ✓ Creates a classic and elegant aesthetic
  • ✓ Can be used in cut flower arrangements
  • ✓ Provides a sense of accomplishment for experienced gardeners
  • ✓ Offers a unique opportunity to experiment with soil chemistry.
  • ⚠️ 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.

Hydrangea

Repotting Not typically needed indoors, as they rarely thrive. If necessary, repot in spring every 2-3 years.
Pruning Prune after flowering to remove dead or weak stems. Avoid pruning in late summer or fall, as this can remove next year's flower buds.
Fertilizing Use a balanced fertilizer (10-10-10) in spring and early summer. For blue flowers, use an acid-forming fertilizer. Reduce or stop fertilizing in late summer and fall.
Seasonal Care Spring: Fertilize and prune (if needed). Summer: Water regularly and protect from intense sun. Fall: Reduce watering and prepare for dormancy. Winter: Protect from frost and avoid pruning.

🌞 Light Requirements

Common Myrtle

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

Low light tolerant: ❌ No

Hydrangea

Bright, indirect light outdoors. Full morning sun with afternoon shade is ideal. Indoors, requires very bright, indirect light, preferably near a south-facing window.

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.

Hydrangea

Water deeply when the top inch of soil feels dry to the touch. Hydrangeas are sensitive to both overwatering and underwatering. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering causes wilting and dry, crispy leaves. Ensure good drainage.

🌡️ Temperature & Humidity

Common Myrtle

Temperature: 15-27°C

Humidity: 40-60%

Hydrangea

Temperature: 16-24°C

Humidity: 50-70%

🤔 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.
Hydrangea

Hydrangea

Hydrangea macrophylla
Care: Expert Time: Outdoors: 30 minutes weekly. Indoors: 1 hour weekly (due to increased monitoring). Beginner: No

Experienced gardeners who want to add vibrant color to their outdoor landscape and are willing to provide specific care.

✅ Choose This Plant If...

  • You want to experiment with changing the flower color by adjusting soil pH.
  • You have a bright, cool location where you can attempt to grow it indoors.
  • You are an experienced gardener looking for a rewarding challenge.
  • You want to add a classic and elegant touch to your garden.
  • You are prepared to provide the high humidity and specific care this plant needs.

❌ Skip This Plant If...

  • You are a beginner gardener looking for an easy houseplant.
  • You have pets that might ingest the plant.
  • You lack a bright, cool location with high humidity.
📍 Ideal Location: Outdoors: Partially shaded garden bed. Indoors: Bright, cool room near a south-facing window with supplemental humidity.
🎨 Style: Traditional, Cottage, Romantic
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. All parts of the plant contain cyanogenic glycosides. Symptoms include vomiting, diarrhea, and depression.

🎯 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

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.

Hydrangea Care Tips

Hydrangeas are primarily outdoor plants and are challenging to grow indoors. They require very bright light, high humidity, and careful watering. Maintaining the correct soil pH is crucial for flower color. Expect limited success indoors unless you can replicate outdoor conditions.

  • Maintain high humidity by misting regularly or using a humidifier.
  • Provide bright, indirect light to encourage blooming.
  • Water deeply and regularly, especially during hot weather.
  • Fertilize in spring with a balanced fertilizer.
  • Protect from frost in winter.
❄️ Winter: Outdoors, protect from frost with mulch. Indoors, reduce watering and provide bright, indirect light. Dormancy is important for flower bud development.
☀️ Summer: Outdoors, provide afternoon shade and water deeply during hot weather. Indoors, maintain high humidity and ensure good air circulation. Watch for pests and diseases.

⚠️ 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.

Hydrangea

Common Issues: Powdery mildew, aphids, iron chlorosis, bud drop (indoors)
Solutions: Powdery mildew: Improve air circulation and use a fungicide. Aphids: Wash off with soapy water or use insecticidal soap. Iron chlorosis: Amend soil with iron chelate. Bud drop: Increase humidity and light levels.

❓ 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.

Hydrangea

What are the light requirements for Hydrangea?

Hydrangeas generally prefer partial shade, with morning sun and afternoon shade being ideal. Too much direct sunlight can scorch their leaves and fade the blooms, while too little light can result in fewer flowers. East-facing locations are often perfect, providing gentle morning sun.

How do I care for Hydrangea?

Hydrangeas thrive with consistent care. Plant in well-draining soil enriched with organic matter. Water deeply when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize in early spring with a balanced fertilizer formulated for flowering plants, and again after the first flush of blooms.

How do I propagate Hydrangea?

Hydrangeas can be propagated through several methods.

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