Interrupted Fern vs Windflower Plant Comparison

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

Interrupted Fern

Interrupted Fern

Osmunda claytoniana

VS
Windflower

Windflower

Anemone spp.

Interrupted Fern

Interrupted Fern

Osmunda claytoniana

The Interrupted Fern is a deciduous fern characterized by its unique fronds. It's primarily an outdoor plant, native to moist woodlands and stream banks. The 'interrupted' name comes from the fertile pinnae located in the middle of the frond, which wither and drop off, leaving a gap. The fronds are initially upright, arching gracefully as they mature. People cultivate it for its textural interest and naturalistic beauty in shade gardens and woodland settings. It is not well-suited for indoor cultivation due to its size and specific environmental needs.

Osmundaceae Eastern North America, Eastern Asia
✨ Features: Unique interrupted fronds, provides habitat for wildlife, adds textural interest to shade gardens.
📖 Read Complete Interrupted Fern Guide
Windflower

Windflower

Anemone spp.

Windflowers, belonging to the genus Anemone, are herbaceous perennials known for their delicate, cup-shaped flowers. They range in height from 6 inches to 2 feet, depending on the species. The flowers come in a variety of colors, including white, pink, red, purple, and blue. Many species have rhizomatous roots, allowing them to spread. They are primarily grown outdoors in gardens and borders for their attractive blooms, which appear in spring, summer, or fall, depending on the species. Attempting to grow them indoors is challenging due to their need for specific temperature fluctuations and dormancy periods.

Ranunculaceae Various species originate from different regions across the globe, including North America, Europe, and Asia.
✨ Features: Attractive blooms in a variety of colors, attracts pollinators.
📖 Read Complete Windflower Guide

Quick Plant Comparison

Feature Interrupted Fern Windflower
Light Partial shade to full shade. Requires protection from direct sunlight, especially during the hottest part of the day. Full sun to partial shade, depending on the species.
Watering 2-3 times per week, depending on weather and soil drainage Every 5-7 days during the growing season, less frequently during dormancy.
Humidity 50-70% 40-60%
Temperature 10-24°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate To Fast, Depending On The Species. Some Species Are Aggressive Spreaders Via Rhizomes.
Max Height 0.6-1.5 meters (2-5 feet) Outdoor: 15-60 cm (6-24 inches). Indoor: Unlikely to thrive indoors, height will be stunted.
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Rich, well-draining, slightly acidic soil. A mix of peat moss, compost, and loam is ideal. Well-draining soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly (weeding, watering, deadheading).

🔬 Botanical Information — Comparing These Plants

Interrupted Fern

Scientific Name Osmunda claytoniana
Family Osmundaceae
Native To Eastern North America, Eastern Asia
Also Known As Interrupted Fern, Clayton's Fern
Leaves The fronds are bipinnately compound, meaning the leaflets (pinnae) are further divided into smaller segments (pinnules). The sterile pinnae are a vibrant green, while the fertile pinnae are initially green but turn brown and wither, leaving a gap in the middle of the frond. The fronds can reach up to 1.5 meters (5 feet) in length.
Flowers Ferns do not produce flowers. They reproduce via spores.

Windflower

Scientific Name Anemone spp.
Family Ranunculaceae
Native To Various species originate from different regions across the globe, including North America, Europe, and Asia.
Also Known As Windflower, Anemone, Pasqueflower
Leaves The leaves of Windflowers vary depending on the species, but they are generally deeply divided or lobed. They are typically green in color and have a slightly textured surface. The basal leaves are often larger than the stem leaves.
Flowers Windflowers produce cup-shaped flowers in a variety of colors, including white, pink, red, purple, and blue. The flowers typically have a prominent central cluster of stamens. They are rarely, if ever, seen flowering indoors.

📏 Size & Growth — Plant Comparison

Interrupted Fern

Height 0.6-1.5 meters (2-5 feet)
Spread 0.6-1 meter (2-3 feet), spreads slowly via rhizomes
Growth Rate Moderate
Growth Pattern Upright, arching fronds emerge from a slowly spreading rhizome. The fronds are initially erect, then arch gracefully as they mature, creating a vase-like shape.

Windflower

Height Outdoor: 15-60 cm (6-24 inches). Indoor: Unlikely to thrive indoors, height will be stunted.
Spread Outdoor: 15-45 cm (6-18 inches), can spread wider via rhizomes. Indoor: Limited spread in a pot.
Growth Rate Moderate To Fast, Depending On The Species. Some Species Are Aggressive Spreaders Via Rhizomes.
Growth Pattern Windflowers typically grow in clumps or colonies, spreading via rhizomes. They have an upright growth habit, with stems that support the delicate flowers.

🌱 Propagation — Comparing Plant Growth

Interrupted Fern

Methods: Spores, Division

Difficulty: Moderate

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

Windflower

Methods: Division, Seed, Root cuttings

Difficulty: Moderate

Tips: Divide rhizomes in early spring or late fall. Sow seeds in fall for germination the following spring. Root cuttings can be taken in late fall or early winter.

✨ Benefits & Features — Comparing Plant Value

Interrupted Fern

The Interrupted Fern is unique due to the fertile pinnae located in the middle of the frond, which wither and drop off, leaving a gap. This gives the frond its distinctive 'interrupted' appearance. The plant also has a bold, upright growth habit that makes it a striking addition to any shade garden.

  • ✓ Adds textural interest to the garden
  • ✓ Provides habitat for wildlife
  • ✓ Creates a naturalistic and calming atmosphere
  • ✓ Enhances the beauty of shady areas
  • ✓ Can be used in medicinal applications (historically)
  • 🐾 Pet Safe

Windflower

Windflowers are known for their delicate, cup-shaped flowers that come in a variety of colors. Many species have rhizomatous roots, allowing them to spread and form colonies. They are a favorite among gardeners for their ability to add a touch of natural beauty to outdoor spaces.

  • ✓ Adds vibrant color to the garden
  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Provides visual interest with its delicate blooms
  • ✓ Can be used in cut flower arrangements
  • ✓ Offers a touch of natural beauty to outdoor spaces
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Interrupted Fern

Repotting Not applicable for outdoor planting. If grown in a container (not recommended), repot every 2-3 years in early spring.
Pruning Remove dead or damaged fronds as needed. No other pruning is necessary.
Fertilizing Apply a slow-release, balanced fertilizer in early spring. Avoid over-fertilizing, as it can damage the roots.
Seasonal Care In spring, apply fertilizer and remove any dead fronds. In summer, ensure consistent moisture. In fall, the fronds will turn brown and die back. In winter, the plant is dormant and requires minimal care.

Windflower

Repotting Not applicable for outdoor plants. If attempting to grow in containers, repot annually in early spring.
Pruning Remove spent flowers to encourage further blooming. Cut back foliage in late fall after it has died back.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and allow foliage to die back naturally. In winter, provide a layer of mulch for protection.

🌞 Light Requirements

Interrupted Fern

Partial shade to full shade. Requires protection from direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

Windflower

Full sun to partial shade, depending on the species.

Low light tolerant: ❌ No

💧 Watering Needs

Interrupted Fern

Requires consistently moist soil. Water deeply when the top inch of soil feels dry. Overwatering can lead to root rot, especially in poorly draining soil. Underwatering will cause the fronds to dry out and brown.

Windflower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During dormancy, reduce watering significantly.

🌡️ Temperature & Humidity

Interrupted Fern

Temperature: 10-24°C

Humidity: 50-70%

Windflower

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Interrupted Fern

Interrupted Fern

Osmunda claytoniana
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners with shady, moist areas who want a naturalistic, textural element in their landscape.

✅ Choose This Plant If...

  • You have a shady, moist garden area.
  • You want a unique and textural fern.
  • You want to attract wildlife to your garden.
  • You appreciate the naturalistic beauty of woodland plants.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You have limited space.
  • You cannot provide consistently moist conditions.
  • You want a low-maintenance plant.
📍 Ideal Location: Shady woodland garden, moist stream bank, or shaded patio (in a large container, though not ideal)
🎨 Style: Woodland, Naturalistic, Cottage Garden
🏠 Apartment Friendly: No
⚠️ According to available sources, Osmunda species are generally considered non-toxic to humans and animals. However, it's always best to prevent pets from consuming any plant material.
Windflower

Windflower

Anemone spp.
Care: Expert Time: 15 minutes weekly (weeding, watering, deadheading). Beginner: No

Experienced gardeners who want to add colorful blooms to their outdoor gardens.

✅ Choose This Plant If...

  • You want to add vibrant colors to your spring or fall garden.
  • You are looking for a plant that attracts pollinators.
  • You have a partially shaded garden area.
  • You enjoy the delicate beauty of cup-shaped flowers.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
  • You live in a very hot and dry climate.
📍 Ideal Location: Outdoor garden beds or borders with partial shade.
🎨 Style: Cottage, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and diarrhea. The toxic compounds are protoanemonin and anemonal.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Interrupted Fern ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ 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

Interrupted Fern Care Tips

Interrupted Fern is primarily an outdoor plant that requires consistently moist, shaded conditions. Indoor cultivation is challenging due to its size and humidity needs. It needs rich, acidic soil and protection from direct sunlight. Regular watering and occasional fertilization are essential for healthy growth.

  • Provide consistent moisture, especially during dry periods.
  • Amend the soil with plenty of organic matter.
  • Protect from direct sunlight.
  • Fertilize in early spring with a slow-release fertilizer.
  • Monitor for pests and diseases regularly.
❄️ Winter: The fronds will die back in winter. Remove any dead fronds to prevent disease. The plant is dormant during this time and requires minimal watering.
☀️ Summer: Ensure consistent moisture during the summer months, especially during dry periods. Provide shade to protect the fronds from scorching. Monitor for pests and diseases regularly.

Windflower Care Tips

Windflowers are primarily outdoor plants and are challenging to grow indoors. They require specific light, temperature, and dormancy conditions that are difficult to replicate indoors. They also spread via rhizomes, which can quickly outgrow a container.

  • Choose a location with well-draining soil to prevent root rot.
  • Provide afternoon shade in hot climates to prevent scorching.
  • Apply a layer of mulch around the base of the plant to retain moisture and suppress weeds.
  • Divide rhizomes every few years to prevent overcrowding.
  • Protect from slugs and snails, especially when new growth emerges.
❄️ Winter: In winter, Windflowers enter a period of dormancy. Reduce watering significantly and provide a layer of mulch for protection. Avoid disturbing the plants during this time.
☀️ Summer: In summer, provide regular watering and fertilization. Protect from harsh afternoon sun to prevent scorching. Deadhead spent flowers to encourage further blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Interrupted Fern

Common Issues: Frond browning, Root rot, Pest infestations (slugs, snails)
Solutions: Frond browning: Increase humidity and ensure consistent watering. Root rot: Improve soil drainage and reduce watering frequency. Pest infestations: Handpick pests or use organic pest control methods.

Windflower

Common Issues: Root rot, powdery mildew, slugs and snails.
Solutions: Ensure well-draining soil and avoid overwatering to prevent root rot. Improve air circulation and apply fungicide for powdery mildew. Use slug and snail bait or handpick them off the plants.

❓ Frequently Asked Questions — Comparing These Plants

Interrupted Fern

What are the light requirements for Interrupted Fern?

Interrupted Ferns thrive in bright, indirect light. Direct sunlight can scorch their delicate fronds, leading to browning and damage. An east-facing window is ideal, providing gentle morning light. A north-facing window can also work, but may require supplemental grow lights if the fern isn’t receiving enough light.

How do I care for Interrupted Fern?

Interrupted Ferns require consistent moisture and high humidity to thrive. Plant in well-draining, acidic soil rich in organic matter. Water regularly to keep the soil consistently moist, but not waterlogged. Provide bright, indirect light; avoid direct sunlight, which can scorch the fronds.

How do I propagate Interrupted Fern?

Interrupted Ferns can be propagated through division or by spores. Division is the easier method. In early spring, carefully dig up the fern and gently separate the rhizomes into smaller clumps, ensuring each clump has healthy fronds and roots. Replant the divisions in well-draining, acidic soil and keep them consistently moist.

Windflower

What are the light requirements for Windflower?

Windflowers prefer partial shade, particularly during the hottest part of the day. Direct sunlight can scorch their delicate leaves and fade their vibrant blooms. An east-facing window or a spot with filtered sunlight is ideal for indoor Windflowers. If growing outdoors, plant them under the dappled shade of trees or shrubs. Insufficient light can result in leggy growth and reduced flowering. Monitor the leaves for signs of scorching or fading, and adjust the plant’s location accordingly. Rotate potted plants regularly to ensure even light exposure on all sides.

How do I care for Windflower?

Windflowers thrive in well-draining soil and prefer partial shade, especially in warmer climates. Water regularly, keeping the soil consistently moist but not waterlogged. During the active growing season (spring and summer), fertilize every 2-4 weeks with a balanced liquid fertilizer. Deadhead spent flowers to encourage continuous blooming. Protect from strong winds and extreme temperatures. In colder regions, provide winter protection such as mulching or bringing potted plants indoors. Regularly inspect for pests and diseases. Ensure good air circulation to prevent fungal issues. Repotting is best done in the spring when new growth emerges. Provide support if needed for taller varieties.

How do I propagate Windflower?

Windflowers can be propagated through division, stem cuttings, or from seed. Division is best done in the spring or fall. Carefully dig up the plant and separate the roots into smaller clumps. Replant the clumps in well-draining soil. Stem cuttings can be taken in the spring or summer. Take a 4-6 inch cutting and remove the lower leaves. Dip the cutting in rooting hormone and plant it in a well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Seeds can be sown indoors or outdoors. Sow seeds in well-draining soil and keep them consistently moist. Germination can take several weeks.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.