Aubrieta vs Lady Fern Plant Comparison

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

Aubrieta

Aubrieta

Aubrieta deltoidea

VS
Lady Fern

Lady Fern

Athyrium filix-femina

Aubrieta

Aubrieta

Aubrieta deltoidea

Aubrieta deltoidea, commonly known as Rock Cress, is a low-growing, spreading perennial plant prized for its vibrant spring blooms. It forms a dense mat of small, gray-green, slightly hairy, deltoid (triangular) leaves. In spring, it becomes covered in a profusion of small, four-petaled flowers, typically in shades of purple, lavender, pink, or blue. It's primarily grown outdoors in rock gardens, walls, or as ground cover. While technically possible to grow indoors, it's challenging to replicate the necessary conditions for optimal flowering and overall health.

Brassicaceae Southeastern Europe and Asia Minor
✨ Features: Attracts pollinators (bees and butterflies), drought-tolerant once established.
📖 Read Complete Aubrieta Guide
Lady Fern

Lady Fern

Athyrium filix-femina

The Lady Fern is a deciduous fern characterized by its delicate, lacy fronds that emerge in the spring. It typically grows in moist, shaded environments, such as woodlands and stream banks. The fronds are light green and finely divided, giving the plant an elegant appearance. It is primarily an outdoor plant, thriving in natural, woodland conditions. While it can be grown indoors, it requires very specific conditions to mimic its natural habitat. People grow it for its ornamental value in shade gardens and naturalized areas.

Athyriaceae Widespread throughout much of the temperate Northern Hemisphere, native to North America, Europe, and Asia.
✨ Features: Elegant foliage, adds texture and interest to shade gardens.
📖 Read Complete Lady Fern Guide

Quick Plant Comparison

Feature Aubrieta Lady Fern
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 7-10 days during the growing season, less frequently in winter. Every 3-7 days, depending on environmental conditions and soil drainage.
Humidity 30-50% 60-80%
Temperature 10-24°C 15-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 10-15 cm (indoors unlikely to thrive) 0.6-1.2 meters (outdoor); significantly smaller indoors, typically 30-60cm
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, slightly alkaline soil. A mix of garden soil, sand, and perlite is suitable. Well-draining, humus-rich soil. A mix of peat moss, perlite, and potting soil is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (weeding, watering, deadheading) 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Aubrieta

Scientific Name Aubrieta deltoidea
Family Brassicaceae
Native To Southeastern Europe and Asia Minor
Also Known As Aubrieta, Rock Cress, False Rock Cress
Leaves The leaves of Aubrieta are small, typically 1-2 cm long, and have a deltoid (triangular) shape. They are gray-green in color and slightly hairy, giving them a soft, textured appearance. The leaves are arranged alternately along the stems.
Flowers Aubrieta rarely flowers indoors due to insufficient light and cool temperatures. Outdoors, it produces a profusion of small, four-petaled flowers in spring. The flowers are typically 1-2 cm in diameter and come in shades of purple, lavender, pink, or blue. They are clustered together, creating a vibrant display.

Lady Fern

Scientific Name Athyrium filix-femina
Family Athyriaceae
Native To Widespread throughout much of the temperate Northern Hemisphere, native to North America, Europe, and Asia.
Also Known As Lady Fern, Common Lady Fern
Leaves The fronds are light green, lance-shaped, and finely divided into numerous leaflets (pinnae). The pinnae are further divided into smaller segments (pinnules), creating a lacy texture. The fronds can reach up to 1 meter in length.
Flowers Ferns do not produce flowers. They reproduce via spores, which are located on the underside of the fronds.

📏 Size & Growth — Plant Comparison

Aubrieta

Height 10-15 cm (indoors unlikely to thrive)
Spread 30-60 cm (spreading)
Growth Rate Moderate
Growth Pattern Aubrieta exhibits a spreading, mat-forming growth pattern. It grows low to the ground, typically reaching a height of only 10-15 cm, and spreads horizontally to form a dense carpet of foliage and flowers. It is not considered an aggressive spreader.

Lady Fern

Height 0.6-1.2 meters (outdoor); significantly smaller indoors, typically 30-60cm
Spread 0.6-1 meter (outdoor); spreads via rhizomes, less aggressively indoors
Growth Rate Moderate
Growth Pattern The Lady Fern grows in a clumping, upright habit. It spreads slowly via rhizomes, forming colonies over time.

🌱 Propagation — Comparing Plant Growth

Aubrieta

Methods: Seed, Stem cuttings, Division

Difficulty: Easy

Tips: For seeds, sow indoors 6-8 weeks before the last frost or directly outdoors in spring or fall. For stem cuttings, take cuttings in late spring or early summer and root them in moist soil. Division is best done in spring or fall.

Lady Fern

Methods: Spores, Division

Difficulty: Moderate

Tips: Spores require a sterile environment and high humidity to germinate. Division is best done in early spring, separating rhizomes with several fronds attached.

✨ Benefits & Features — Comparing Plant Value

Aubrieta

Aubrieta's vibrant spring blooms create a carpet of color, making it a standout in rock gardens. Its drought tolerance and low-maintenance nature make it a practical choice for gardeners seeking beauty with minimal effort. The plant's ability to attract pollinators further enhances its value in the landscape.

  • ✓ Attracts pollinators to your garden.
  • ✓ Provides a beautiful ground cover with vibrant spring blooms.
  • ✓ Requires minimal maintenance once established.
  • ✓ Adds a touch of color and texture to rock gardens and walls.
  • ✓ Drought-tolerant, conserving water.
  • 🐾 Pet Safe

Lady Fern

The Lady Fern is known for its finely divided, lacy fronds, which give it a delicate and graceful appearance. It is a deciduous fern, meaning it loses its fronds in the winter.

  • ✓ Adds beauty and texture to shady areas
  • ✓ Creates a calming and natural atmosphere
  • ✓ Can help improve humidity levels in a small area
  • ✓ Provides habitat for beneficial insects
  • ✓ Offers a connection to nature
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Aubrieta

Repotting Not applicable for outdoor planting. If grown in containers, repot every 2-3 years in spring.
Pruning Prune lightly after flowering to maintain shape and encourage bushier growth. Remove any dead or damaged foliage.
Fertilizing Apply a balanced liquid fertilizer (10-10-10) diluted to half strength in early spring before flowering. Avoid over-fertilizing.
Seasonal Care In spring, fertilize and prune lightly after flowering. In summer, water regularly during dry spells. In fall, divide plants if needed. In winter, provide protection from excessive moisture.

Lady Fern

Repotting Repot every 1-2 years in spring if the plant becomes root-bound. Choose a slightly larger pot.
Pruning Remove dead or damaged fronds as needed to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, reduce watering as growth slows. Protect from frost if grown in containers outdoors. In summer, ensure adequate moisture and shade to prevent scorching.

🌞 Light Requirements

Aubrieta

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

Low light tolerant: ❌ No

Lady Fern

Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

💧 Watering Needs

Aubrieta

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. During the growing season (spring), water more frequently. Reduce watering in the winter.

Lady Fern

Keep the soil consistently moist, but not waterlogged. Water thoroughly when the top inch of soil feels slightly dry. Overwatering can lead to root rot, while underwatering will cause the fronds to dry out and turn brown.

🌡️ Temperature & Humidity

Aubrieta

Temperature: 10-24°C

Humidity: 30-50%

Lady Fern

Temperature: 15-21°C

Humidity: 60-80%

🤔 Which Plant Is Right For You?

Aubrieta

Aubrieta

Aubrieta deltoidea
Care: Expert Time: 15 minutes weekly (weeding, watering, deadheading) Beginner: No

Gardeners with rock gardens or walls who want a low-maintenance, flowering ground cover.

✅ Choose This Plant If...

  • You want a low-growing, spreading plant for your rock garden.
  • You desire a plant that attracts pollinators like bees and butterflies.
  • You need a drought-tolerant ground cover once established.
  • You want a plant with vibrant spring blooms in shades of purple, pink, or blue.
  • You have a sunny location with well-draining soil.

❌ Skip This Plant If...

  • You don't have a sunny outdoor location.
  • You want a plant that thrives indoors with minimal effort.
  • You live in a very humid climate with poor drainage.
📍 Ideal Location: Outdoor rock garden, stone wall, or sunny slope.
🎨 Style: Cottage, Rock Garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to multiple sources, Aubrieta is considered non-toxic to humans and pets. However, it's always best to prevent pets from ingesting any plant material.
Lady Fern

Lady Fern

Athyrium filix-femina
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who can provide the specific environmental conditions required for healthy growth.

✅ Choose This Plant If...

  • You have a shady, moist garden area that needs some texture and greenery.
  • You are an experienced gardener looking for a challenge.
  • You appreciate the delicate, lacy appearance of ferns.
  • You want to create a woodland garden aesthetic.
  • You are prepared to provide the high humidity and consistent moisture this fern needs.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You are a beginner gardener.
  • You cannot provide high humidity and consistent moisture.
  • You only have a sunny location.
  • You prefer low-maintenance plants.
📍 Ideal Location: Shady outdoor garden or, if indoors, a humid bathroom or terrarium with indirect light.
🎨 Style: Woodland, Cottagecore, Naturalistic
🏠 Apartment Friendly: Limited
⚠️ The ASPCA lists ferns as potentially toxic to dogs, cats, and horses. Symptoms may include gastrointestinal upset (vomiting, diarrhea). The exact toxic principle is not always identified, but some ferns contain thiaminase, which can lead to thiamine deficiency.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Aubrieta ✓
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

Aubrieta Care Tips

Aubrieta is primarily an outdoor plant and is challenging to grow indoors. It requires full sun, well-draining soil, and cool temperatures to thrive. Indoor cultivation often results in poor flowering and leggy growth. It's best suited for outdoor rock gardens and walls.

  • Provide excellent drainage to prevent root rot.
  • Prune lightly after flowering to encourage bushier growth.
  • Avoid over-fertilizing, as this can lead to leggy growth.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Protect from excessive winter moisture to prevent fungal diseases.
❄️ Winter: In winter, Aubrieta requires protection from excessive moisture. Ensure good drainage and consider covering the plant with a layer of mulch to prevent waterlogging. Reduce watering significantly during this dormant period.
☀️ Summer: During the summer, water Aubrieta regularly during dry spells. Provide some afternoon shade in hot climates to prevent scorching. Deadhead spent flowers to encourage continued blooming.

Lady Fern Care Tips

Lady Ferns are primarily outdoor plants and are challenging to grow indoors. They require high humidity, consistent moisture, and shaded conditions. Maintaining these conditions indoors can be difficult, making them best suited for experienced plant enthusiasts.

  • Maintain consistently moist soil, but avoid waterlogging.
  • Provide high humidity through misting or a humidifier.
  • Protect from direct sunlight to prevent scorching.
  • Fertilize regularly during the growing season with a diluted balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months as growth slows. Protect from frost if grown outdoors in containers. Deciduous ferns will naturally lose their fronds during winter; remove dead fronds to maintain cleanliness.
☀️ Summer: Ensure adequate moisture and shade during the hot summer months to prevent scorching. Increase watering frequency as needed. Mist the fronds regularly to maintain high humidity.

⚠️ Common Problems & Solutions — Plant Care Comparison

Aubrieta

Common Issues: Root rot, Powdery mildew, Aphids, Poor flowering (indoors)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Poor flowering: Provide adequate sunlight and cool temperatures.

Lady Fern

Common Issues: Brown fronds, Root rot, Pests (scale, mealybugs), Yellowing leaves
Solutions: Brown fronds: Increase humidity and ensure consistent watering. | Root rot: Improve drainage and reduce watering frequency. | Pests: Treat with insecticidal soap or neem oil. | Yellowing leaves: Check for nutrient deficiencies and adjust fertilizer accordingly.

❓ Frequently Asked Questions — Comparing These Plants

Aubrieta

What are the light requirements for Aubrieta?

Aubrieta requires at least six hours of direct sunlight per day for optimal flowering. In hotter climates, providing some afternoon shade can prevent scorching of the foliage. A south-facing location is ideal, but east or west-facing sites can also work well if they receive sufficient sunlight. Insufficient light can lead to leggy growth, reduced flowering, and faded colors. If growing Aubrieta in containers, rotate them regularly to ensure even exposure to sunlight. Observe the plant’s growth and flowering patterns to determine if it is receiving adequate light. Adjust the location or provide supplemental lighting if necessary to promote healthy growth and abundant blooms.

How do I care for Aubrieta?

Aubrieta thrives in full sun to partial shade. It prefers well-drained, slightly alkaline soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize in early spring with a balanced fertilizer to promote vigorous growth and abundant blooms. Prune after flowering to maintain shape and encourage reblooming. Deadhead spent flowers to prevent seed production and redirect energy into further flowering. Aubrieta is generally hardy and can tolerate frost, but mulching around the base of the plant can provide extra protection in colder climates. Monitor for pests and diseases, and treat promptly if necessary. Provide good air circulation to prevent fungal problems. Proper care will ensure a long-lasting and vibrant display of color.

How do I propagate Aubrieta?

Aubrieta can be propagated by division, stem cuttings, or seed. For division, carefully dig up the plant in spring or fall and divide the root ball into smaller sections. For stem cuttings, take 4-6 inch cuttings in late spring or early summer, remove the lower leaves, and root them in moist potting mix. Keep the cuttings in a humid environment until they develop roots. Seeds can be sown directly in the garden in spring or fall. Keep the soil moist and provide adequate sunlight. Division is the easiest and most reliable method.

Lady Fern

What are the light requirements for Lady Fern?

Lady Ferns prefer bright, indirect light. Direct sunlight can scorch their delicate fronds, leading to browning and damage. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work if the light is sufficiently bright. If you’re using a south or west-facing window, position the fern further away from the window or use a sheer curtain to filter the light. Observe your fern closely for signs of stress, such as pale or yellowing fronds, which may indicate too much light. Insufficient light can lead to leggy growth and a loss of vibrancy. Rotate your Lady Fern regularly to ensure even light exposure on all sides.

How do I care for Lady Fern?

Lady Ferns thrive in consistently moist, well-draining soil. Water thoroughly when the top inch of soil feels dry, ensuring excess water drains away. Maintain high humidity levels by misting regularly, using a humidifier, or placing the pot on a pebble tray filled with water. Position your Lady Fern in a location with bright, indirect light, avoiding direct sunlight which can scorch the fronds. The ideal temperature range is between 60-75°F (15-24°C). Fertilize monthly during the growing season (spring and summer) with a diluted liquid fertilizer formulated for ferns. Repot in spring every 1-2 years, using a peat-based potting mix. Prune away any dead or damaged fronds to encourage new growth and maintain a tidy appearance. Protect from drafts and sudden temperature changes.

How do I propagate Lady Fern?

Lady Ferns can be propagated by division or spores. Division is the easier method. In spring, gently remove the fern from its pot and carefully separate the rhizome into smaller sections, ensuring each section has healthy fronds and roots. Repot each section into its own pot with a peat-based potting mix. Keep the soil consistently moist and maintain high humidity. Propagation by spores is more challenging. Collect spores from mature fronds and sow them on a sterile potting mix. Cover with a humidity dome and keep consistently moist. Germination can take several weeks or months. Once the sporelings are large enough, transplant them into individual pots.

Last updated: April 22, 2026 — Plant care data reviewed and verified by our editorial team.