Artillery Plant vs Nasturtium Tropaeolum Plant Comparison

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

Artillery Plant

Artillery Plant

Pilea microphylla

VS
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Artillery Plant

Artillery Plant

Pilea microphylla

The Artillery Plant (Pilea microphylla) is a fast-growing, bushy plant known for its unique method of pollen dispersal. It's characterized by its tiny, bright green leaves that densely cover its delicate stems, giving it a fern-like appearance. The plant gets its name from its ability to explosively eject pollen into the air when disturbed, resembling tiny bursts of artillery fire. While it can be grown indoors, it thrives in humid, warm conditions, often performing better in greenhouses or terrariums. People grow it for its interesting foliage and unusual pollen-shooting behavior.

Urticaceae Tropical Americas and West Indies
✨ Features: Unique pollen dispersal mechanism.
📖 Read Complete Artillery Plant 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 Artillery Plant Nasturtium Tropaeolum
Light Bright indirect light to partial shade. Avoid direct sunlight, which can scorch the leaves. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 3-7 days, 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 60-80% 40-60%
Temperature 18-24°C 15-24°C
Care Level Moderate Expert
Growth Rate Fast Fast
Max Height 15-30 cm 0.3-1 meter (indoors, likely smaller and less vigorous)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. 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 With Caution ❌ No
Weekly Maintenance 10 minutes weekly 10 minutes weekly outdoors, more if attempting indoor growth.

🔬 Botanical Information — Comparing These Plants

Artillery Plant

Scientific Name Pilea microphylla
Family Urticaceae
Native To Tropical Americas and West Indies
Also Known As Artillery Plant, Rockweed, Gunpowder Plant
Leaves The leaves of Pilea microphylla are tiny, measuring only a few millimeters in length. They are bright green in color and have a delicate, almost translucent appearance. The leaves are oval-shaped and have a smooth texture. They are densely packed along the stems, giving the plant a lush and full look.
Flowers The artillery plant produces tiny, inconspicuous flowers that are rarely seen indoors. The plant is primarily grown for its foliage rather than its flowers. The flowers are responsible for the plant's unique pollen dispersal mechanism.

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

Artillery Plant

Height 15-30 cm
Spread 30-60 cm
Growth Rate Fast
Growth Pattern The artillery plant grows in a bushy, upright habit. It has delicate, branching stems that are densely covered with tiny leaves, creating a compact and rounded shape. Regular pruning can help maintain its shape and encourage denser growth.

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

Artillery Plant

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Stem cuttings root easily in water or directly in moist soil. For division, gently separate the plant at the roots. Seeds can be sown in spring.

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

Artillery Plant

The artillery plant is unique due to its method of pollen dispersal, which involves explosively ejecting pollen into the air. This behavior is triggered by touch or even a slight breeze. Its tiny, bright green leaves also give it a distinctive, fern-like appearance.

  • ✓ Adds a touch of the tropics to your home.
  • ✓ Unique and interesting foliage.
  • ✓ Relatively easy to propagate.
  • ✓ Can be grown in small spaces.
  • ✓ Provides a calming, green aesthetic.
  • 🐾 Pet Safe

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

Artillery Plant

Repotting Every 12-18 months, or when the plant becomes root-bound.
Pruning Pinch back stems regularly to maintain a bushy shape and encourage branching.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter when growth slows. Increase humidity during dry winter months. Provide more light during shorter days.

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

Artillery Plant

Bright indirect light to partial shade. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ✅ Yes

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

Artillery Plant

Water thoroughly when the top inch of soil feels dry. Overwatering can lead to root rot, while underwatering will cause the leaves to droop and dry out. Ensure good drainage.

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

Artillery Plant

Temperature: 18-24°C

Humidity: 60-80%

Nasturtium Tropaeolum

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Artillery Plant

Artillery Plant

Pilea microphylla
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Someone who enjoys unique foliage and is willing to provide high humidity.

✅ Choose This Plant If...

  • You want a plant with unique pollen dispersal.
  • You enjoy plants with delicate, fern-like foliage.
  • You can provide high humidity.
  • You want a relatively fast-growing plant.
  • You enjoy propagating plants from cuttings.

❌ Skip This Plant If...

  • You cannot provide high humidity.
  • You are prone to overwatering plants.
  • You dislike plants that require frequent pruning.
📍 Ideal Location: Bathroom, kitchen, or near a humidifier.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Pilea microphylla is not toxic to dogs, cats, or horses.
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 Artillery Plant ✓
Less Maintenance Similar effort
Apartment Friendly Artillery Plant

⚡ Key Differences Between These Plants

🎯

Artillery Plant is rated Moderate care level, while Nasturtium Tropaeolum is Expert.

💡 Pro Tips For Comparing These Plants

Artillery Plant Care Tips

Artillery plants require bright, indirect light, high humidity, and consistent moisture. They can be prone to pests and diseases if not properly cared for. Regular pruning helps maintain a compact shape. While relatively easy, maintaining humidity is key for indoor success.

  • Maintain high humidity by misting regularly or using a humidifier.
  • Water thoroughly when the top inch of soil is dry, but avoid overwatering.
  • Provide bright, indirect light to prevent leaf scorch.
  • Pinch back stems regularly to encourage bushier growth.
  • Inspect regularly for pests and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Maintain humidity levels, as indoor heating can dry out the air. Provide adequate light, especially during shorter days, by using a grow light if necessary.
☀️ Summer: Water more frequently during the summer months as the plant's growth increases. Protect the plant from direct sunlight, which can scorch the leaves. Ensure good air circulation to prevent fungal diseases. Fertilize regularly during the growing season.

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

Artillery Plant

Common Issues: Leaf drop, Root rot, Pests (spider mites, mealybugs)
Solutions: Leaf drop: Increase humidity and ensure adequate watering. Root rot: Improve drainage and reduce watering frequency. Pests: Treat with insecticidal soap or neem oil.

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

Artillery Plant

What are the light requirements for Artillery Plant?

Artillery Plant prefers bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the delicate leaves. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but the plant may not grow as vigorously.

How do I care for Artillery Plant?

Artillery Plant thrives in bright, indirect light; direct sunlight can scorch the leaves. Water regularly, keeping the soil consistently moist but not soggy. Allow the top inch of soil to dry out slightly between waterings. High humidity is beneficial; mist the plant regularly or place it on a pebble tray.

How do I propagate Artillery Plant?

Artillery Plant is easily propagated through several methods. Stem cuttings are a simple and effective way to create new plants. Take a 2-3 inch cutting from a healthy stem, remove the lower leaves, and place it in water or directly into moist potting mix. Roots will typically develop within a few weeks.

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 5, 2026 — Plant care data reviewed and verified by our editorial team.