Lavender vs Nasturtium Tropaeolum Plant Comparison

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

Lavender

Lavender

Lavandula angustifolia

VS
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Lavender

Lavender

Lavandula angustifolia

Lavandula angustifolia, commonly known as English Lavender, is a perennial shrub prized for its fragrant flowers and aromatic foliage. It typically grows to about 2-3 feet tall and wide. Native to the Mediterranean, it thrives in sunny, well-drained conditions. While primarily an outdoor plant, it is sometimes grown indoors, though it requires very bright light to flourish. People grow lavender for its ornamental value, its use in aromatherapy, and its culinary applications. The plant's essential oils are used in perfumes, soaps, and other products.

Lamiaceae Mediterranean region
✨ Features: Fragrant foliage and flowers, used in aromatherapy and culinary applications.
📖 Read Complete Lavender 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 Lavender Nasturtium Tropaeolum
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 1-2 weeks, depending on environmental conditions and pot size 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 40-60% 40-60%
Temperature 18-24°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.3-0.6 meters (indoors, typically smaller than outdoors) 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 with a slightly alkaline pH (6.5-8.0) 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 30 minutes weekly 10 minutes weekly outdoors, more if attempting indoor growth.

🔬 Botanical Information — Comparing These Plants

Lavender

Scientific Name Lavandula angustifolia
Family Lamiaceae
Native To Mediterranean region
Also Known As English Lavender, True Lavender, Common Lavender
Leaves The leaves are narrow, linear, and gray-green in color. They are covered in fine hairs, giving them a soft, velvety texture. The leaves are highly aromatic, releasing their fragrance when touched.
Flowers Lavender may flower indoors if given sufficient light, but flowering is less frequent and less profuse than outdoors. The flowers are small, tubular, and typically purple in color. They are arranged in spikes at the ends of the stems.

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

Lavender

Height 0.3-0.6 meters (indoors, typically smaller than outdoors)
Spread 0.3-0.6 meters (indoors, typically smaller than outdoors)
Growth Rate Moderate
Growth Pattern Lavender grows as a bushy shrub with upright stems. It typically reaches a height of 2-3 feet tall and wide, though indoor plants may be smaller.

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

Lavender

Methods: Stem cuttings, Seed, Layering

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and keep the cuttings in a humid environment until roots develop. Seeds can be sown in spring, but germination can be slow and inconsistent.

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

Lavender

Lavender is known for its distinctive fragrance and beautiful purple flowers. It is a drought-tolerant plant that thrives in sunny, well-drained conditions. Its essential oils are widely used in aromatherapy and perfumery.

  • ✓ Aromatic fragrance that can promote relaxation
  • ✓ Aesthetically pleasing foliage and flowers
  • ✓ Can be used in culinary applications
  • ✓ Can be used in aromatherapy
  • ✓ May improve sleep quality
  • ⚠️ 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

Lavender

Repotting Repot every 1-2 years in spring, using a well-draining potting mix.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Remove dead or woody stems.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring. Avoid over-fertilizing.
Seasonal Care In winter, reduce watering and provide bright light. In summer, ensure adequate ventilation and avoid excessive heat. Prune after flowering to maintain shape and promote new growth.

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

Lavender

Full sun (at least 6-8 hours of direct sunlight per day)

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

Lavender

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as lavender is susceptible to root rot. Allow soil to dry out slightly between waterings. Signs of overwatering include yellowing leaves and a musty smell. Underwatering results in wilting and dry, brittle leaves.

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

Lavender

Temperature: 18-24°C

Humidity: 40-60%

Nasturtium Tropaeolum

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Lavender

Lavender

Lavandula angustifolia
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who can provide the specific light and drainage requirements for indoor lavender cultivation.

✅ Choose This Plant If...

  • You love the scent of lavender and want to enjoy it indoors, even with the extra care required.
  • You have a very sunny windowsill or grow light setup.
  • You are experienced with plant care and can provide the specific conditions lavender needs.
  • You want to use the lavender for culinary or aromatherapy purposes.
  • You enjoy the challenge of growing plants that are not typically suited for indoor environments.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6-8 hours of direct sunlight daily.
  • You tend to overwater your plants.
📍 Ideal Location: South-facing windowsill or under a strong grow light.
🎨 Style: Cottagecore, Traditional, Mediterranean
🏠 Apartment Friendly: Limited
⚠️ Lavender contains linalool and linalyl acetate, which can be toxic to dogs, cats, and horses. Symptoms include nausea, vomiting, and loss of appetite. All parts of the plant are potentially toxic.
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

📈

Lavender has moderate growth, while Nasturtium Tropaeolum grows fast.

💡 Pro Tips For Comparing These Plants

Lavender Care Tips

Lavender is primarily an outdoor plant and requires very bright light to thrive indoors. It is susceptible to root rot if overwatered. Providing adequate drainage and sunlight are crucial for its survival indoors. Expect reduced flowering and overall vigor compared to outdoor plants.

  • Ensure excellent drainage to prevent root rot.
  • Provide at least 6-8 hours of direct sunlight daily, or supplement with a grow light.
  • Avoid overwatering; allow the soil to dry out slightly between waterings.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Use a low-nitrogen fertilizer sparingly in the spring.
❄️ Winter: Reduce watering during the winter months. Provide bright light and maintain a cool temperature. Avoid drafts and sudden temperature changes.
☀️ Summer: Ensure adequate ventilation to prevent fungal diseases. Water more frequently during hot, dry weather. Protect from intense afternoon sun if grown outdoors in containers.

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

Lavender

Common Issues: Root rot, Powdery mildew, Aphids, Lack of flowering
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with fungicide. Aphids: Spray with insecticidal soap. Lack of flowering: Provide more sunlight and avoid over-fertilizing.

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

Lavender

What are the light requirements for Lavender?

Lavender thrives in full sun, needing at least 6 to 8 hours of direct sunlight daily for optimal growth and flowering. Insufficient light can lead to leggy growth and reduced bloom production. When growing Lavender indoors, place it near a south-facing window where it can receive the most sunlight. If natural light is limited, supplement with grow lights to ensure adequate exposure. Rotate the plant regularly to ensure even light distribution on all sides. Signs of inadequate light include pale leaves, stretched stems, and a lack of flower buds. In hot climates, providing some afternoon shade can prevent scorching of the foliage.

How do I care for Lavender?

Lavender requires full sun, ideally at least 6-8 hours per day. Plant in well-draining soil, as it is susceptible to root rot in overly wet conditions. Water thoroughly when the top inch of soil feels dry, but avoid overwatering. Fertilize sparingly, using a balanced fertilizer diluted to half strength in the spring. Prune after flowering to maintain shape and encourage new growth. Provide good air circulation to prevent fungal diseases. Lavender prefers a slightly alkaline soil pH. Protect from frost in colder climates, either by moving potted plants indoors or providing winter protection outdoors. Regularly check for pests like aphids and treat as needed. Deadhead spent flowers to promote further blooming. Avoid heavy, clay-based soils.

How do I propagate Lavender?

Lavender can be propagated through stem cuttings or division.

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: May 10, 2026 — Plant care data reviewed and verified by our editorial team.