Myrtle Spurge vs Nasturtium Tropaeolum Plant Comparison

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

Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

VS
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

Myrtle Spurge is a succulent, low-growing perennial characterized by its sprawling habit and blue-gray, spirally arranged leaves. It typically reaches a height of 6-12 inches and spreads up to 24 inches wide. It is primarily grown as an ornamental ground cover in rock gardens or dry landscapes. It produces small, inconspicuous yellowish-green flowers in spring, followed by seed capsules. This plant is naturally an outdoor plant and struggles indoors due to its high light requirements and need for well-draining soil.

Euphorbiaceae Mediterranean region (Southern Europe and North Africa)
✨ Features: Drought tolerance, attractive blue-gray foliage.
📖 Read Complete Myrtle Spurge Guide
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Tropaeolum majus, commonly known as nasturtium, is an annual flowering plant known for its vibrant, edible flowers and peppery-flavored leaves. It is a sprawling plant that can grow as a ground cover or climb with support. The plant features round, shield-shaped leaves and spurred flowers in shades of orange, yellow, and red. While primarily grown outdoors in gardens and containers for its ornamental value and culinary uses, it can be challenging to maintain indoors due to its high light requirements and sprawling growth habit. People grow it for its bright colors, edible parts, and ability to attract pollinators.

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

Quick Plant Comparison

Feature Myrtle Spurge Nasturtium Tropaeolum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 2-4 weeks, depending on weather and soil drainage. Every 2-3 days outdoors in warm weather, less frequently in cooler conditions. Indoor watering is difficult to predict, but likely every 5-7 days if attempted.
Humidity 20-40% 40-60%
Temperature 15-25°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 6-12 inches (outdoor) 0.3-1 meter (indoors, likely smaller and less vigorous)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, sandy or gravelly soil. Avoid heavy clay soils. Well-draining soil; a mix of potting soil, perlite, and compost is suitable. Avoid overly rich soil, as it can promote foliage growth at the expense of flowers.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes monthly (weeding, pruning) 10 minutes weekly outdoors, more if attempting indoor growth.

🔬 Botanical Information — Comparing These Plants

Myrtle Spurge

Scientific Name Euphorbia myrsinites
Family Euphorbiaceae
Native To Mediterranean region (Southern Europe and North Africa)
Also Known As Myrtle Spurge, Donkey Spurge, Creeping Spurge, Glaucous Spurge
Leaves Succulent, blue-gray, lance-shaped leaves arranged in a spiral pattern around the stems. Leaves are typically 1-2 inches long.
Flowers Produces small, inconspicuous yellowish-green flowers in spring. Rarely flowers indoors.

Nasturtium Tropaeolum

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 of nasturtiums are round and shield-shaped, with a diameter of 5-10 cm. They are typically a vibrant green color and have a slightly waxy texture. The leaves are attached to the stem in the center, giving them a unique and distinctive appearance.
Flowers Nasturtiums readily flower outdoors in the right conditions. The flowers are spurred and come in shades of orange, yellow, and red. They have a delicate, peppery fragrance and are often used in salads and as garnishes. Flowering indoors is rare and requires intense supplemental lighting.

📏 Size & Growth — Plant Comparison

Myrtle Spurge

Height 6-12 inches (outdoor)
Spread Up to 24 inches (outdoor)
Growth Rate Moderate
Growth Pattern Sprawling, low-growing perennial that forms a dense mat.

Nasturtium Tropaeolum

Height 0.3-1 meter (indoors, likely smaller and less vigorous)
Spread 0.3-1 meter (can spread wider outdoors)
Growth Rate Fast
Growth Pattern Nasturtiums have a sprawling growth habit, either trailing along the ground or climbing with support. They can reach up to 1 meter in height and spread, forming a dense mat of foliage and flowers.

🌱 Propagation — Comparing Plant Growth

Myrtle Spurge

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer, allow the cut end to callous over for a few days, and then plant in well-draining soil. Wear gloves to avoid skin irritation from the sap.

Nasturtium Tropaeolum

Methods: Seed

Difficulty: Easy

Tips: Soak seeds in water for a few hours before planting. Sow directly into the soil or start indoors 4-6 weeks before the last frost. Keep soil moist until germination.

✨ Benefits & Features — Comparing Plant Value

Myrtle Spurge

The spirally arranged, blue-gray leaves give it a distinctive appearance. The milky sap is toxic and can cause skin irritation.

  • ✓ Drought tolerance reduces water usage.
  • ✓ Provides visual interest with its unique foliage.
  • ✓ Low maintenance once established.
  • ✓ Attracts pollinators.
  • ✓ Controls erosion on slopes.
  • ⚠️ Toxic to pets

Nasturtium Tropaeolum

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 make them a popular choice for gardeners.

  • ✓ Edible flowers and leaves provide a peppery flavor to dishes
  • ✓ Attracts pollinators to the garden, supporting local ecosystems
  • ✓ Acts as a natural pest repellent, reducing the need for chemical pesticides
  • ✓ Adds vibrant color and visual interest to outdoor spaces
  • ✓ Provides a fun and engaging gardening experience.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Myrtle Spurge

Repotting Not applicable as it's not suitable for indoor growing.
Pruning Prune after flowering to maintain shape and prevent excessive seed production. Remove any dead or damaged stems.
Fertilizing Apply a balanced, slow-release fertilizer in early spring at half strength.
Seasonal Care In winter, reduce watering and protect from excessive moisture. In spring and summer, water more frequently and fertilize lightly.

Nasturtium Tropaeolum

Repotting Not typically needed as they are annuals. If grown in containers, repotting may be necessary if the plant becomes root-bound, though this is unlikely to occur indoors.
Pruning Pinch back stems to encourage bushier growth and more flowers. Remove spent flowers to prolong blooming.
Fertilizing Low-nitrogen fertilizer, applied sparingly every 4-6 weeks during the growing season. High nitrogen fertilizers will promote leaf growth over flower production.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and allow the plant to set seed. Nasturtiums are annuals and will die back in winter.

🌞 Light Requirements

Myrtle Spurge

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

Low light tolerant: ❌ No

Nasturtium Tropaeolum

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

Low light tolerant: ❌ No

💧 Watering Needs

Myrtle Spurge

Water deeply but infrequently, allowing the soil to dry out completely between waterings. Overwatering can lead to root rot. Signs of underwatering include shriveled leaves. Signs of overwatering include yellowing leaves and a mushy stem.

Nasturtium Tropaeolum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Yellowing leaves indicate overwatering; wilting leaves indicate underwatering.

🌡️ Temperature & Humidity

Myrtle Spurge

Temperature: 15-25°C

Humidity: 20-40%

Nasturtium Tropaeolum

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites
Care: Expert Time: 15 minutes monthly (weeding, pruning) Beginner: No

Experienced gardeners looking for a drought-tolerant ground cover in sunny, well-drained locations.

✅ Choose This Plant If...

  • You need a drought-tolerant ground cover for a sunny area.
  • You appreciate the unique blue-gray foliage.
  • You are an experienced gardener familiar with handling toxic plants.
  • You want a low-maintenance plant once established.
  • You have a rock garden or xeriscape landscape.

❌ Skip This Plant If...

  • You have pets or small children who may ingest the plant.
  • You are a beginner gardener.
  • You do not have a sunny outdoor space.
  • You are sensitive to latex or have skin allergies.
📍 Ideal Location: Outdoor rock garden or sunny, well-drained slope.
🎨 Style: Mediterranean, Xeriscape, Rock Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic, containing a milky sap that can cause skin irritation and gastrointestinal upset if ingested. According to the ASPCA, Euphorbia species are toxic to dogs, cats, and horses. Symptoms include drooling, vomiting, diarrhea, and skin irritation.
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus
Care: Expert Time: 10 minutes weekly outdoors, more if attempting indoor growth. Beginner: No

Gardeners looking for an edible and ornamental plant to add color and interest to their outdoor spaces.

✅ Choose This Plant If...

  • You want edible flowers and leaves for salads and garnishes
  • You need a plant to attract pollinators to your garden
  • You want a natural pest repellent for your vegetable garden
  • You enjoy vibrant colors in your outdoor space
  • You are an experienced gardener willing to experiment with growing a sun-loving plant indoors.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You lack a sunny location to provide adequate light
  • You prefer low-maintenance indoor plants.
📍 Ideal Location: Outdoors in a sunny garden bed or container. A very sunny windowsill is the only possible indoor location, but success is unlikely.
🎨 Style: Cottagecore, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, nasturtiums contain mustard oil glycosides, which 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 Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Myrtle Spurge has moderate growth, while Nasturtium Tropaeolum grows fast.

💡 Pro Tips For Comparing These Plants

Myrtle Spurge Care Tips

Myrtle Spurge is an outdoor plant that requires full sun and well-draining soil. It is not suitable for indoor growing due to its high light requirements and potential for toxicity. It is drought-tolerant and relatively low-maintenance once established, but requires careful handling due to its toxic sap.

  • Always wear gloves and eye protection when handling Myrtle Spurge.
  • Remove seed heads to prevent unwanted spread.
  • Ensure excellent drainage to prevent root rot.
  • Water deeply but infrequently.
  • Provide full sun for optimal growth and color.
❄️ Winter: Reduce watering significantly during winter. Protect from excessive moisture and frost in colder climates.
☀️ Summer: Water more frequently during hot, dry periods. Provide some afternoon shade in extremely hot climates.

Nasturtium Tropaeolum Care Tips

Nasturtiums are easy to grow outdoors in sunny locations with well-draining soil. Indoor cultivation is challenging due to high light requirements and the plant's sprawling growth habit. Providing adequate light and avoiding overwatering are crucial for indoor success, which is rarely achieved.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering
  • Avoid overwatering to prevent root rot
  • Use a low-nitrogen fertilizer to encourage flower production
  • Pinch back stems to promote bushier growth
  • Collect seeds at the end of the season to replant next year.
❄️ Winter: Nasturtiums are annuals and do not survive winter. Collect seeds in the fall to replant in the spring.
☀️ Summer: Provide regular watering and fertilization during the summer growing season. Protect from intense afternoon sun in very hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Myrtle Spurge

Common Issues: Root rot, Aphids, Skin irritation from sap, Invasive spread
Solutions: Ensure well-draining soil and avoid overwatering. Treat aphids with insecticidal soap. Wear gloves and protective eyewear when handling the plant. Remove seed heads to prevent unwanted spread.

Nasturtium Tropaeolum

Common Issues: Aphids, whiteflies, root rot, lack of flowering
Solutions: Treat aphids and whiteflies with insecticidal soap or neem oil. Prevent root rot by ensuring well-draining soil and avoiding overwatering. Encourage flowering by providing full sun and using a low-nitrogen fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Myrtle Spurge

What are the light requirements for Myrtle Spurge?

Myrtle Spurge thrives in bright, direct sunlight. Aim for at least 6 hours of sunlight per day. An east- or south-facing window is ideal. If grown outdoors, choose a location that receives full sun. Insufficient light can lead to etiolation, where the plant stretches towards the light source, resulting in weak, leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. In regions with intense summer sun, provide some afternoon shade to prevent scorching. Supplement with grow lights if natural light is limited, particularly during winter months.

How do I care for Myrtle Spurge?

Myrtle Spurge requires well-draining soil, such as a cactus or succulent mix, to prevent root rot. Water thoroughly when the soil is completely dry, typically every 2-4 weeks, depending on environmental conditions. Provide bright, direct sunlight for at least 6 hours a day; however, protect it from intense afternoon sun in hot climates. Fertilize sparingly, only during the growing season (spring and summer), using a balanced, diluted succulent fertilizer. Prune dead or damaged leaves to maintain its appearance. Be extremely cautious of the milky sap, which can cause skin irritation. Wear gloves when handling. Avoid overwatering, especially during winter dormancy.

How do I propagate Myrtle Spurge?

Myrtle Spurge can be propagated through stem cuttings, leaf cuttings, or offsets. For stem cuttings, allow the cut end to callous over for a few days before planting in well-draining soil. Rooting hormone can aid in the process. Leaf cuttings can be placed on top of well-draining soil and misted occasionally. Offsets, or small plantlets that grow around the base of the mother plant, can be carefully separated and potted individually. Wear gloves when handling cuttings to avoid skin irritation from the sap. Provide bright, indirect light and maintain consistent moisture until roots develop. Propagation is best done during the growing season (spring or summer).

Nasturtium Tropaeolum

What are the light requirements for Nasturtium Tropaeolum?

Nasturtium Tropaeolum thrives in full sun, which translates to at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent scorching of the leaves and flowers. Insufficient light can lead to leggy growth and reduced blooming.

How do I care for Nasturtium Tropaeolum?

Nasturtium Tropaeolum thrives in well-draining soil and prefers full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings. Avoid overwatering, which can lead to root rot. Fertilize sparingly, as excessive fertilization can promote leaf growth at the expense of flowers.

How do I propagate Nasturtium Tropaeolum?

Nasturtium Tropaeolum is most commonly propagated by seed. Sow seeds directly into the garden in spring after the last frost or start them indoors 4-6 weeks prior. Soak the seeds in water overnight before planting to improve germination.

Last updated: April 18, 2026 — Plant care data reviewed and verified by our editorial team.