Nasturtium vs Pot Marigold Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
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.
Pot Marigold
Calendula officinalis
Calendula officinalis, commonly known as pot marigold, is an annual herbaceous plant typically grown outdoors. It reaches a height of 30-60 cm and features bright orange or yellow daisy-like flowers. The plant is known for its medicinal properties and is often used in skincare products and herbal remedies. It's cultivated for its vibrant blooms, which attract pollinators, and its edible petals, which can add color to salads and other dishes. While it can be started indoors, it thrives outdoors in full sun.
Quick Plant Comparison
| Feature | Nasturtium | Pot Marigold |
|---|---|---|
| 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 daily for optimal flowering. |
| Watering | Every 2-3 days in hot weather, every 5-7 days in cooler weather, adjust based on soil moisture. | Every 5-7 days, depending on weather and soil drainage. |
| Humidity | 40-60% | 30-50% |
| Temperature | 15-25°C | 15-25°C |
| Care Level | Expert | Expert |
| Growth Rate | Fast | Fast |
| Max Height | 30-60 cm (outdoors) | 30-60 cm (outdoors) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining, moderately fertile soil. Avoid overly rich soil, as it can promote foliage growth at the expense of flowers. | Well-draining soil, such as a mix of potting soil, perlite, and compost. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 10-15 minutes weekly | 10 minutes weekly |
🔬 Botanical Information — Comparing These Plants
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. |
Pot Marigold
| Scientific Name | Calendula officinalis |
|---|---|
| Family | Asteraceae |
| Native To | Southern Europe, possibly Egypt |
| Also Known As | Pot Marigold, Common Marigold, Scotch Marigold |
| Leaves | The leaves are lance-shaped, light green, and slightly hairy. They are arranged alternately along the stem and have a slightly sticky texture. |
| Flowers | It rarely flowers indoors due to insufficient light. Outdoors, it produces bright orange or yellow daisy-like flowers with a central disc. The flowers are typically 4-7 cm in diameter. |
📏 Size & Growth — Plant Comparison
Nasturtium
Pot Marigold
🌱 Propagation — Comparing Plant Growth
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.
Pot Marigold
Methods: Seed, Stem cuttings
Difficulty: Easy
Tips: Sow seeds directly into the garden in spring or start them indoors 6-8 weeks before the last frost. For stem cuttings, take 4-6 inch cuttings and root them in water or moist soil.
✨ Benefits & Features — Comparing Plant Value
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
Pot Marigold
Unlike true marigolds (Tagetes), Calendula officinalis has medicinal properties and edible petals. Its sticky resinous qualities are also unique. It's a cool-season annual that can tolerate light frost.
- ✓ Attracts pollinators to the garden
- ✓ Provides edible petals for culinary use
- ✓ Offers potential medicinal benefits for skin care
- ✓ Adds vibrant color to outdoor spaces
- ✓ Easy to grow from seed outdoors
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Nasturtium
Pot Marigold
🌞 Light Requirements
Nasturtium
Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.
Low light tolerant: ❌ No
Pot Marigold
Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Low light tolerant: ❌ No
💧 Watering Needs
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.
Pot Marigold
Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.
🌡️ Temperature & Humidity
Nasturtium
Temperature: 15-25°C
Humidity: 40-60%
Pot Marigold
Temperature: 15-25°C
Humidity: 30-50%
🤔 Which Plant Is Right For You?
Nasturtium
Tropaeolum majusGardeners 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.
Pot Marigold
Calendula officinalisGardeners looking for a colorful and useful addition to their flower beds or herb gardens.
✅ Choose This Plant If...
- You want a vibrant, edible flower in your garden.
- You need a plant that attracts pollinators.
- You are interested in herbal remedies and skincare.
- You have a sunny garden space.
- You want an easy-to-grow annual for cut flowers.
❌ Skip This Plant If...
- You have pets that might ingest it.
- You lack a sunny outdoor space.
- You are looking for a low-maintenance indoor plant.
🎯 Quick Verdict
⚡ 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
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.
Pot Marigold Care Tips
Pot marigold is primarily an outdoor plant. While it can be started indoors, it requires full sun to thrive and flower properly. Indoor cultivation is challenging due to the need for intense light and good air circulation. It is toxic to pets.
- Deadhead spent flowers regularly to prolong blooming.
- Provide well-draining soil to prevent root rot.
- Water deeply but infrequently, allowing the soil to dry slightly between waterings.
- Fertilize lightly during the growing season to encourage abundant blooms.
- Protect from strong winds, which can damage the delicate stems.
⚠️ Common Problems & Solutions — Plant Care Comparison
Nasturtium
Pot Marigold
❓ Frequently Asked Questions — Comparing These Plants
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.
Pot Marigold
What are the light requirements for Pot Marigold?
Pot Marigold flourishes in full sun, requiring at least six hours of direct sunlight each day. Insufficient light can lead to leggy growth and reduced flowering. When planting, choose a location in your garden that receives ample sunlight throughout the day.
How do I care for Pot Marigold?
Pot Marigold thrives in full sun, requiring at least six hours of direct sunlight daily to promote abundant blooming. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Well-draining soil is crucial to prevent root rot. Fertilize every 2-3 weeks with a balanced liquid fertilizer during the growing season to encourage continuous flowering.
How do I propagate Pot Marigold?
Pot Marigold can be easily propagated through seeds. Collect seeds from dried flower heads and sow them directly into the garden or start them indoors. Seeds germinate readily in warm, moist soil. Division is also possible, carefully separating the root ball of a mature plant and replanting the divisions.
Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.