Masterwort vs Nasturtium Plant Comparison

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

Masterwort

Masterwort

Astrantia major

VS
Nasturtium

Nasturtium

Tropaeolum majus

Masterwort

Masterwort

Astrantia major

Astrantia major, commonly known as Masterwort, is a herbaceous perennial prized for its unique and delicate flower-like bracts. It typically grows to a height of 60-90 cm (2-3 feet). The plant features basal rosettes of deeply lobed leaves and upright stems topped with pincushion-like flower heads surrounded by papery bracts. These bracts come in various shades of white, pink, red, and purple. Masterwort is primarily an outdoor plant, favored in cottage gardens and borders for its long blooming period and ability to attract pollinators. It's not typically grown indoors due to its need for specific temperature and light conditions.

Apiaceae Europe and Western Asia
✨ Features: Attracts pollinators, long blooming period, unique flower-like bracts.
📖 Read Complete Masterwort Guide
Nasturtium

Nasturtium

Tropaeolum majus

Nasturtium (Tropaeolum majus) is an annual flowering plant known for its vibrant, edible flowers and peppery-flavored leaves. It features round, shield-shaped leaves and spurred flowers in shades of orange, yellow, and red. Typically grown outdoors in gardens and containers, it's valued for its ornamental appeal, culinary uses, and ability to attract pollinators. It's not ideally suited as a long-term indoor plant due to its high light requirements and sprawling growth habit.

Tropaeolaceae Andes Mountains of South America (Peru, Bolivia)
✨ Features: Edible flowers and leaves, attracts pollinators, natural pest repellent.
📖 Read Complete Nasturtium Guide

Quick Plant Comparison

Feature Masterwort Nasturtium
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.
Watering 2-3 times per week during the growing season, less frequently in cooler months. Every 2-3 days in hot weather, every 5-7 days in cooler weather, adjust based on soil moisture.
Humidity 40-60% 40-60%
Temperature 15-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height N/A (Outdoor plant, not typically grown indoors) 30-60 cm (outdoors)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-drained, fertile soil rich in organic matter. A slightly acidic to neutral pH is preferred. Well-draining, moderately fertile soil. Avoid overly rich soil, as it can promote foliage growth at the expense of flowers.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 10-15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Masterwort

Scientific Name Astrantia major
Family Apiaceae
Native To Europe and Western Asia
Also Known As Masterwort, Great Masterwort, Hattie's Pincushion, Melancholy Gentleman
Leaves The leaves of Astrantia major are deeply lobed and palmate, resembling maple leaves. They are typically dark green in color and have a slightly rough texture. The basal leaves are larger than the stem leaves, creating a lush and attractive foliage base.
Flowers Astrantia major rarely flowers indoors. Outdoors, it produces unique flower heads consisting of a central pincushion-like cluster of tiny flowers surrounded by papery bracts. The bracts come in various shades of white, pink, red, and purple, creating a delicate and eye-catching display.

Nasturtium

Scientific Name Tropaeolum majus
Family Tropaeolaceae
Native To Andes Mountains of South America (Peru, Bolivia)
Also Known As Nasturtium, Garden Nasturtium, Indian Cress, Monk's Cress
Leaves The leaves are round, shield-shaped, and have a slightly waxy texture. They are typically green but can also have a bluish tint. The leaves are attached to the stem in the center, giving them a unique appearance.
Flowers Nasturtiums produce spurred flowers in shades of orange, yellow, and red. The flowers are edible and have a peppery flavor. They bloom profusely throughout the summer and fall.

📏 Size & Growth — Plant Comparison

Masterwort

Height N/A (Outdoor plant, not typically grown indoors)
Spread 30-60 cm (1-2 feet)
Growth Rate Moderate
Growth Pattern Masterwort grows in an upright, clump-forming habit. It features basal rosettes of deeply lobed leaves from which upright stems emerge, topped with the characteristic flower heads. It does not aggressively spread like some rhizomatous perennials.

Nasturtium

Height 30-60 cm (outdoors)
Spread 30-90 cm (outdoors)
Growth Rate Fast
Growth Pattern Nasturtiums have a sprawling growth habit, with trailing stems that can reach up to 3 feet long. They can be grown as a ground cover or allowed to cascade over the edges of containers.

🌱 Propagation — Comparing Plant Growth

Masterwort

Methods: Division, Seed

Difficulty: Moderate

Tips: Division is best done in spring or autumn. Divide established clumps, ensuring each division has healthy roots and shoots. Sow seeds in autumn or early spring after a period of cold stratification.

Nasturtium

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden after the last frost or start indoors 4-6 weeks before the last frost. Soak seeds overnight to improve germination.

✨ Benefits & Features — Comparing Plant Value

Masterwort

Masterwort stands out due to its distinctive flower-like bracts, which resemble pincushions surrounded by papery petals. These bracts come in various shades, adding a touch of elegance and whimsy to the garden. Its long blooming period and ability to attract pollinators make it a valuable addition to any landscape.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Adds unique texture and visual interest to the garden.
  • ✓ Provides long-lasting blooms throughout the summer.
  • ✓ Relatively low maintenance once established.
  • ✓ Deer resistant.
  • 🐾 Pet Safe

Nasturtium

Nasturtiums are unique for their edible flowers and leaves, which have a distinctive peppery flavor. They also act as a natural pest repellent, making them a valuable addition to vegetable gardens. Their vibrant colors and ease of growth from seed make them a popular choice for gardeners.

  • ✓ Edible flowers and leaves provide a peppery flavor to salads and other dishes.
  • ✓ Attracts pollinators like bees and butterflies to the garden.
  • ✓ Acts as a natural pest repellent, protecting other plants.
  • ✓ Adds vibrant color and visual interest to the garden.
  • ✓ Relatively easy to grow from seed outdoors.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Masterwort

Repotting N/A (Outdoor plant)
Pruning Deadhead spent flowers to encourage further blooming. Cut back foliage in autumn after flowering.
Fertilizing Balanced slow-release fertilizer in spring, followed by occasional liquid feed during the growing season. Use a fertilizer with an NPK ratio of 10-10-10 at half strength every 4-6 weeks.
Seasonal Care Spring: Apply fertilizer and divide if needed. Summer: Water regularly and deadhead spent flowers. Autumn: Cut back foliage after flowering. Winter: Mulch around the base to protect from frost.

Nasturtium

Repotting Not typically repotted as they are annuals. If grown in containers, choose a large enough container initially.
Pruning Pinch back stems to encourage bushier growth and more flowers. Remove spent flowers to prolong blooming.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 4-6 weeks during the growing season. Avoid high-nitrogen fertilizers.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering as temperatures cool. Nasturtiums are annuals and will die back in winter.

🌞 Light Requirements

Masterwort

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Nasturtium

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Masterwort

Water regularly, especially during dry periods. Keep the soil consistently moist but not waterlogged. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves.

Nasturtium

Water regularly, allowing the soil to dry slightly between waterings. Overwatering can lead to root rot, while underwatering can cause wilting and reduced flowering. Check soil moisture before watering.

🌡️ Temperature & Humidity

Masterwort

Temperature: 15-24°C

Humidity: 40-60%

Nasturtium

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Masterwort

Masterwort

Astrantia major
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking to add a unique and long-blooming perennial to their cottage gardens or borders.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You appreciate unique and delicate flower-like bracts.
  • You need a long-blooming perennial for your borders.
  • You have a cottage garden aesthetic.
  • You can provide full sun or partial shade.

❌ Skip This Plant If...

  • You are looking for an indoor plant.
  • You have limited sunlight.
  • You live in a very hot and dry climate.
📍 Ideal Location: Outdoor garden bed or border with well-drained soil and full sun to partial shade.
🎨 Style: Cottage, Traditional, Bohemian
🏠 Apartment Friendly: No
⚠️ According to multiple sources, including the University of California, Davis, Astrantia major is not considered toxic to humans or animals. However, it is always best to supervise pets and children around plants.
Nasturtium

Nasturtium

Tropaeolum majus
Care: Expert Time: 10-15 minutes weekly Beginner: No

Gardeners looking for edible flowers and foliage to add to salads and other dishes.

✅ Choose This Plant If...

  • You want edible flowers and leaves for culinary use.
  • You want to attract pollinators to your garden.
  • You need a natural pest repellent for your vegetable garden.
  • You enjoy vibrant, colorful flowers.
  • You have a sunny outdoor space.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden bed or outdoor container.
🎨 Style: Cottage, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Nasturtium contains compounds that can cause mild gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and drooling. All parts of the plant are potentially toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Masterwort ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Masterwort has moderate growth, while Nasturtium grows fast.

💡 Pro Tips For Comparing These Plants

Masterwort Care Tips

Masterwort is primarily an outdoor plant and requires specific conditions to thrive. Indoor cultivation is challenging due to its need for full sun and cool temperatures. It needs well-drained soil, regular watering, and protection from extreme heat. It is not recommended for indoor growing.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide support for taller varieties to prevent them from flopping over.
  • Ensure good air circulation to prevent powdery mildew.
  • Water deeply during dry spells.
  • Mulch around the base of the plant to retain moisture and suppress weeds.
❄️ Winter: In winter, cut back the foliage to ground level after it has died back naturally. Apply a layer of mulch around the base of the plant to protect the roots from frost. Reduce watering significantly during the dormant period.
☀️ Summer: During the summer, water regularly, especially during dry spells. Deadhead spent flowers to encourage further blooming. Provide some afternoon shade in hotter climates to prevent the bracts from fading.

Nasturtium Care Tips

Nasturtiums are best grown outdoors due to their need for full sun. Indoor cultivation is challenging and requires very bright light and careful watering. They are prone to pests and diseases, and their sprawling growth habit can be difficult to manage in a container.

  • Soak seeds overnight before planting to improve germination.
  • Avoid over-fertilizing, as it can lead to excessive foliage growth and fewer flowers.
  • Pinch back stems regularly to encourage bushier growth.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Monitor for pests like aphids and whiteflies and treat promptly.
❄️ Winter: Nasturtiums are annuals and will die back in winter. Remove dead foliage and discard the plants.
☀️ Summer: Provide regular watering and fertilization during the summer growing season. Monitor for pests and diseases and treat promptly. Pinch back stems to encourage bushier growth and more flowers.

⚠️ Common Problems & Solutions — Plant Care Comparison

Masterwort

Common Issues: Powdery mildew, slugs and snails, root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Slugs and snails: Use slug pellets or traps. Root rot: Ensure well-draining soil and avoid overwatering.

Nasturtium

Common Issues: Aphids, whiteflies, root rot, fungal diseases
Solutions: Insecticidal soap for aphids and whiteflies, improve drainage to prevent root rot, fungicide for fungal diseases.

❓ Frequently Asked Questions — Comparing These Plants

Masterwort

What are the light requirements for Masterwort?

Masterwort flourishes in partial shade, particularly in hotter climates, where intense afternoon sun can scorch the leaves. A location receiving morning sun and afternoon shade is ideal. In cooler regions, Masterwort can tolerate full sun, provided the soil remains consistently moist. Insufficient light can lead to fewer blooms and leggy growth.

How do I care for Masterwort?

Masterwort thrives in partial shade to full sun, requiring at least 4-6 hours of sunlight daily for optimal bloom production. Water regularly, especially during dry spells, ensuring the soil remains consistently moist but not waterlogged. Well-draining soil is crucial to prevent root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant flowering. Deadhead spent flowers to encourage continuous blooming.

How do I propagate Masterwort?

Masterwort can be propagated through division, root cuttings, or seed. Division is the easiest method. In early spring or fall, carefully dig up an established clump and divide it into smaller sections, each with healthy roots and foliage. Replant the divisions in well-draining soil, ensuring consistent moisture until they are established.

Nasturtium

What are the light requirements for Nasturtium?

Nasturtiums thrive best in full sun, requiring at least 6 hours of direct sunlight each day for abundant flowering. While they can tolerate partial shade, reduced sunlight can lead to fewer blooms and leggy growth. In hotter climates, providing some afternoon shade can prevent leaf scorch.

How do I care for Nasturtium?

Nasturtiums are relatively easy to care for, making them a great choice for beginner gardeners. They thrive in full sun to partial shade, requiring at least 6 hours of sunlight per day for optimal blooming. Water regularly, allowing the soil to dry slightly between waterings; avoid overwatering, which can lead to root rot.

How do I propagate Nasturtium?

Nasturtiums are easily propagated from seeds or stem cuttings. To propagate from seeds, sow seeds directly into the garden or containers in spring after the last frost. Alternatively, start seeds indoors 4-6 weeks before the last frost. Soak seeds in water overnight to improve germination.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.