Holly Fern vs Nasturtium Tropaeolum Plant Comparison

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

Holly Fern

Holly Fern

Cyrtomium falcatum

VS
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Holly Fern

Holly Fern

Cyrtomium falcatum

The Holly Fern (Cyrtomium falcatum) is an evergreen fern characterized by its glossy, dark green fronds that resemble holly leaves, hence the name. It's a relatively robust fern, growing in a clumping habit. While it can be grown indoors, it thrives best in outdoor environments with filtered light and well-draining soil. People grow it for its attractive foliage, resilience, and relatively easy care compared to other ferns. It adds a touch of lush greenery to shaded gardens or indoor spaces.

Dryopteridaceae East Asia (Japan, Korea, China)
✨ Features: Attractive foliage, relatively drought-tolerant once established, air purifier.
📖 Read Complete Holly Fern 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 Holly Fern Nasturtium Tropaeolum
Light Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. 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 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 Moderate Expert
Growth Rate Moderate Fast
Max Height 30-60 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 pine bark. 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 5-10 minutes weekly 10 minutes weekly outdoors, more if attempting indoor growth.

🔬 Botanical Information — Comparing These Plants

Holly Fern

Scientific Name Cyrtomium falcatum
Family Dryopteridaceae
Native To East Asia (Japan, Korea, China)
Also Known As Japanese Holly Fern, House Holly Fern
Leaves The leaves (fronds) are pinnately compound, meaning they are composed of multiple leaflets arranged along a central stem. Each leaflet is glossy, dark green, and has a slightly serrated edge, resembling holly leaves. The leaflets are typically 5-10 cm long and have a leathery texture.
Flowers Holly Ferns do not flower. They reproduce via spores, which are located on the underside of the fronds.

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

Holly Fern

Height 30-60 cm
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern The Holly Fern grows in a clumping, upright habit. New fronds emerge from the center of the plant, gradually unfurling to create a dense, bushy appearance.

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

Holly Fern

Methods: Spores, Division

Difficulty: Moderate

Tips: Division is best done in spring. Carefully separate the rhizomes, ensuring each section has healthy fronds and roots. Spores require a sterile environment and consistent moisture.

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

Holly Fern

The Holly Fern stands out due to its distinctive, holly-like fronds, which are much more robust and leathery than those of many other fern species. Its ability to tolerate lower light conditions also makes it a versatile choice for indoor environments.

  • ✓ Adds a touch of greenery to indoor spaces
  • ✓ Relatively easy to care for compared to other ferns
  • ✓ Pet-safe
  • ✓ Can tolerate low light conditions
  • ✓ Provides a calming and relaxing atmosphere
  • 🌬️ NASA-verified air purifier
  • 🐾 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

Holly Fern

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Remove dead or damaged fronds to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-3 months during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Provide extra humidity during dry winter months. In summer, ensure adequate shade to prevent scorching.

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

Holly Fern

Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.

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

Holly Fern

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing fronds and root rot; underwatering results in dry, crispy fronds.

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

Holly Fern

Temperature: 18-24°C

Humidity: 40-60%

Nasturtium Tropaeolum

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Holly Fern

Holly Fern

Cyrtomium falcatum
Care: Moderate Time: 5-10 minutes weekly Beginner: With-caution

Gardeners looking for a low-maintenance, attractive fern for shaded areas or those wanting a touch of greenery indoors.

✅ Choose This Plant If...

  • You want a fern that is relatively easy to care for.
  • You appreciate the unique texture and appearance of its holly-like fronds.
  • You need a plant that tolerates low light conditions.
  • You want to add a touch of greenery to a shaded garden area.
  • You are looking for a pet-safe plant.

❌ Skip This Plant If...

  • You tend to overwater plants.
  • You cannot provide adequate humidity.
  • You need a plant that thrives in direct sunlight.
📍 Ideal Location: Bathroom (due to humidity), North-facing window, Shaded patio
🎨 Style: Traditional, Tropical, Bohemian
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ According to the ASPCA, Cyrtomium falcatum 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 Holly Fern ✓
Less Maintenance Similar effort
Apartment Friendly Holly Fern

⚡ Key Differences Between These Plants

🎯

Holly Fern is rated Moderate care level, while Nasturtium Tropaeolum is Expert.

📈

Holly Fern has moderate growth, while Nasturtium Tropaeolum grows fast.

💡 Pro Tips For Comparing These Plants

Holly Fern Care Tips

Holly Ferns are relatively easy to care for, but require consistent moisture and humidity. While adaptable to indoor conditions, they prefer bright, indirect light and well-draining soil. Overwatering is a common issue. Providing adequate humidity is crucial for healthy growth indoors.

  • Use well-draining soil to prevent root rot.
  • Provide adequate humidity by misting regularly or using a humidifier.
  • Avoid placing in direct sunlight.
  • Fertilize sparingly during the growing season.
  • Check regularly for pests and diseases.
❄️ Winter: Reduce watering frequency as growth slows down. Ensure the plant is not exposed to drafts or cold temperatures. Maintain humidity levels to prevent frond tips from browning.
☀️ Summer: Provide adequate shade to protect the fronds from scorching in direct sunlight. Increase watering frequency if the soil dries out more quickly. Ensure good air circulation to prevent fungal diseases.

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

Holly Fern

Common Issues: Brown frond tips, Yellowing fronds, Root rot, Scale insects
Solutions: Brown frond tips: Increase humidity. | Yellowing fronds: Check for overwatering or underwatering; adjust watering accordingly. | Root rot: Improve drainage and reduce watering frequency. | Scale insects: 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

Holly Fern

What are the light requirements for Holly Fern?

Holly Ferns need bright, indirect light to flourish. Direct sunlight can scorch their delicate fronds, leading to brown spots and overall stress. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, especially if the fern is placed close to the window. If you only have south or west-facing windows, position the fern further away from the window or use sheer curtains to diffuse the light. Insufficient light can cause the fronds to become pale and leggy, with reduced growth. Observe your fern carefully and adjust its position as needed to ensure it receives the right amount of light.

How do I care for Holly Fern?

Holly Ferns thrive in indirect light, mimicking their natural shaded habitat. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain high humidity levels by misting regularly, using a humidifier, or placing the pot on a pebble tray filled with water. The ideal temperature range is between 60-75°F (15-24°C). Fertilize sparingly, only during the growing season (spring and summer), with a diluted balanced liquid fertilizer. Repot every 1-2 years into a slightly larger pot with well-draining potting mix. Prune away any dead or yellowing fronds to encourage new growth and maintain a tidy appearance. Protect from drafts and sudden temperature changes. Regular monitoring for pests such as scale or mealybugs is essential.

How do I propagate Holly Fern?

Holly Ferns can be propagated through division or by spores. For division, carefully remove the plant from its pot and gently separate the rhizome into sections, ensuring each section has healthy fronds and roots. Plant each section in its own pot with well-draining potting mix. For spore propagation, collect spores from the underside of mature fronds and sow them on a moist peat moss surface. Cover with a plastic dome to maintain high humidity and keep in a warm, shaded location. Spores can take several weeks or months to germinate. Keep the medium consistently moist. Once small plantlets appear, gradually acclimate them to lower humidity levels before transplanting them into individual pots.

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.