Aubrieta vs Epidendrum 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
Epidendrum

Epidendrum

Epidendrum radicans

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
Epidendrum

Epidendrum

Epidendrum radicans

Epidendrum radicans is a terrestrial or epiphytic orchid characterized by its reed-like stems that can grow several feet long. It produces vibrant clusters of small, star-shaped flowers, typically orange, red, yellow, or pink, at the ends of its stems. This orchid is often grown for its long-lasting blooms and relatively easy care compared to other orchids. While it can be grown indoors, it thrives best outdoors in warm climates. People grow it for its colorful flowers and ability to attract pollinators.

Orchidaceae Mexico to Central America
✨ Features: Long-lasting blooms, attracts pollinators.
📖 Read Complete Epidendrum Guide

Quick Plant Comparison

Feature Aubrieta Epidendrum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight for optimal flowering.
Watering Every 7-10 days during the growing season, less frequently in winter. Every 5-7 days, depending on environmental conditions and potting mix.
Humidity 30-50% 50-70%
Temperature 10-24°C 18-27°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 10-15 cm (indoors unlikely to thrive) 0.6-1.2 meters (2-4 feet) indoors
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, slightly alkaline soil. A mix of garden soil, sand, and perlite is suitable. Well-draining orchid mix consisting of bark, perlite, and sphagnum moss.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly (weeding, watering, deadheading) 10 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.

Epidendrum

Scientific Name Epidendrum radicans
Family Orchidaceae
Native To Mexico to Central America
Also Known As Reed-stem Epidendrum, Ground Orchid, Fire-star Orchid
Leaves Linear, grass-like leaves that are typically green in color. They are arranged alternately along the stems and are about 5-15 cm long.
Flowers Flowers readily indoors and outdoors with sufficient light. The flowers are small, star-shaped, and come in a variety of colors, including orange, red, yellow, and pink. They are produced in clusters at the ends of the stems and can last for several weeks.

📏 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.

Epidendrum

Height 0.6-1.2 meters (2-4 feet) indoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Upright, reed-like stems that can grow several feet long. It can also spread via aerial roots, forming clumps.

🌱 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.

Epidendrum

Methods: Stem cuttings, Division

Difficulty: Easy

Tips: Take stem cuttings with aerial roots and plant them in moist orchid mix. Division can be done when repotting, separating the plant into smaller clumps.

✨ 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

Epidendrum

Epidendrum radicans is unique among orchids for its reed-like stems and ability to form aerial roots. Its vibrant, star-shaped flowers are also distinctive and long-lasting. It is also more tolerant of direct sunlight than many other orchids.

  • ✓ Adds vibrant color to your home or garden.
  • ✓ Attracts pollinators like butterflies and hummingbirds.
  • ✓ Relatively easy to care for compared to other orchids.
  • ✓ Provides a sense of accomplishment when it blooms.
  • ✓ Can be propagated easily to create more plants.
  • ⚠️ 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.

Epidendrum

Repotting Every 1-2 years, or when the potting mix decomposes.
Pruning Prune spent flower stems to encourage new growth. Remove any dead or yellowing leaves.
Fertilizing Balanced orchid fertilizer (20-20-20) diluted to half strength, applied every 2-4 weeks during the growing season (spring and summer).
Seasonal Care During the growing season (spring and summer), increase watering and fertilization. In winter, reduce watering and hold off on fertilizing. Protect from frost.

🌞 Light Requirements

Aubrieta

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

Low light tolerant: ❌ No

Epidendrum

Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight for optimal flowering.

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.

Epidendrum

Water thoroughly when the potting mix is almost dry. Allow excess water to drain away. Overwatering can lead to root rot. Signs of underwatering include shriveled stems and leaves. Signs of overwatering include yellowing leaves and a soggy potting mix.

🌡️ Temperature & Humidity

Aubrieta

Temperature: 10-24°C

Humidity: 30-50%

Epidendrum

Temperature: 18-27°C

Humidity: 50-70%

🤔 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.
Epidendrum

Epidendrum

Epidendrum radicans
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Gardeners in warm climates looking for a colorful and relatively easy-to-grow orchid.

✅ Choose This Plant If...

  • You want a relatively easy-to-grow orchid with vibrant flowers.
  • You live in a warm climate where it can thrive outdoors.
  • You want to attract pollinators to your garden.
  • You have a bright, sunny location for it.
  • You are comfortable with regular watering and fertilization.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a location with bright, indirect light.
  • You tend to overwater plants.
📍 Ideal Location: Bright windowsill, sunroom, or outdoor garden in warm climates.
🎨 Style: Tropical, Bohemian, Cottagecore
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Epidendrum species contain unidentified irritants. Symptoms in cats, dogs, and horses include dermatitis (skin irritation). All parts of the plant are considered toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Aubrieta is rated Expert care level, while Epidendrum is Moderate.

💡 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.

Epidendrum Care Tips

Epidendrum radicans is relatively easy to care for compared to other orchids, but requires bright light and well-draining soil. It can be grown indoors with sufficient light, but thrives outdoors in warm climates. Regular watering and fertilization are essential for healthy growth and flowering.

  • Provide adequate drainage to prevent root rot.
  • Water thoroughly when the potting mix is almost dry.
  • Fertilize regularly during the growing season.
  • Provide bright, indirect light to promote flowering.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency. Avoid fertilizing. Protect from frost if grown outdoors. Ensure adequate light if grown indoors.
☀️ Summer: Increase watering frequency. Fertilize regularly. Provide some shade during the hottest part of the day if grown outdoors. Monitor for pests.

⚠️ 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.

Epidendrum

Common Issues: Root rot, Spider mites, Mealybugs, Lack of flowering
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Mealybugs: Remove with a cotton swab dipped in alcohol or treat with insecticidal soap. Lack of flowering: Provide sufficient light and fertilizer.

❓ 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.

Epidendrum

What are the light requirements for Epidendrum?

Epidendrums require bright, indirect light to thrive and produce abundant blooms. Insufficient light can lead to weak growth and a lack of flowering. An east- or west-facing window is generally ideal, providing ample light without direct, harsh sunlight that can scorch the leaves. If growing indoors, supplement natural light with a grow light if necessary, especially during the darker winter months. Signs of insufficient light include dark green leaves and leggy growth. Conversely, too much direct sunlight can cause the leaves to turn yellow or brown. Rotate your Epidendrum regularly to ensure even light exposure on all sides. Adjust the plant’s position relative to the window to optimize light levels throughout the year.

How do I care for Epidendrum?

Epidendrums thrive in bright, indirect light; an east- or west-facing window is ideal. Water thoroughly when the potting mix is almost dry, allowing excess water to drain away. Avoid letting the plant sit in standing water to prevent root rot. Fertilize regularly during the growing season (spring and summer) with a balanced orchid fertilizer diluted to half strength, every 2-4 weeks. Reduce or stop fertilizing during the dormant season (fall and winter). Maintain moderate humidity levels, around 50-70%. Repot every 1-2 years using a well-draining orchid mix. Provide good air circulation to prevent fungal diseases. Prune spent flower spikes to encourage new growth. Monitor for pests such as mealybugs and scale, and treat promptly with insecticidal soap or neem oil. Ensure adequate drainage and avoid overwatering, which are the most common causes of problems. Maintain consistent care for optimal blooming.

How do I propagate Epidendrum?

Epidendrums can be propagated through division, stem cuttings, or keikis (small plantlets that form on the stem).

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.