Aubrieta vs Japanese Forest Grass 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
Japanese Forest Grass

Japanese Forest Grass

Hakonechloa macra

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
Japanese Forest Grass

Japanese Forest Grass

Hakonechloa macra

Hakonechloa macra, commonly known as Japanese Forest Grass, is a deciduous perennial grass prized for its graceful, arching foliage. It forms cascading mounds of slender, bamboo-like leaves that create a soft, flowing texture in the garden. While primarily an outdoor plant, it is sometimes grown indoors, though it can be challenging. Its popularity stems from its elegant appearance, shade tolerance, and ability to add movement and texture to landscapes. The cultivar 'Aureola' is particularly popular for its golden-yellow variegated leaves. It is not naturally an indoor plant and requires specific conditions to thrive inside.

Poaceae Japan
✨ Features: Elegant cascading foliage, shade tolerance, adds texture and movement to landscapes.
📖 Read Complete Japanese Forest Grass Guide

Quick Plant Comparison

Feature Aubrieta Japanese Forest Grass
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Partial shade to full shade outdoors; bright, indirect light indoors
Watering Every 7-10 days during the growing season, less frequently in winter. Every 5-7 days indoors, depending on humidity and light
Humidity 30-50% 40-60%
Temperature 10-24°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 10-15 cm (indoors unlikely to thrive) 0.3-0.6 meters
Pet Safety ✅ Safe ✅ Safe
Soil Well-draining, slightly alkaline soil. A mix of garden soil, sand, and perlite is suitable. Well-draining, humus-rich soil
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.

Japanese Forest Grass

Scientific Name Hakonechloa macra
Family Poaceae
Native To Japan
Also Known As Japanese Forest Grass, Hakone Grass
Leaves Slender, lance-shaped leaves that arch gracefully. The 'Aureola' cultivar has golden-yellow variegation with green stripes. Leaves are typically 15-25 cm long and 0.5-1 cm wide.
Flowers Rarely flowers indoors. Outdoors, it produces inconspicuous, airy flower panicles in late summer.

📏 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.

Japanese Forest Grass

Height 0.3-0.6 meters
Spread 0.3-0.6 meters (can spread via rhizomes, but is generally not considered aggressively invasive)
Growth Rate Moderate
Growth Pattern Forms a cascading mound of arching foliage. Spreads slowly via rhizomes.

🌱 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.

Japanese Forest Grass

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide clumps in spring or early fall. Sow seeds in spring after a period of cold stratification.

✨ 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

Japanese Forest Grass

Its cascading, bamboo-like foliage is unique among ornamental grasses. The 'Aureola' cultivar's golden-yellow variegation adds a striking visual element. It is also relatively shade-tolerant compared to many other grasses.

  • ✓ Adds visual interest and texture to indoor or outdoor spaces.
  • ✓ Creates a calming and serene atmosphere.
  • ✓ Relatively low-maintenance once established.
  • ✓ Provides a unique and graceful aesthetic.
  • ✓ Can help to soften hardscapes and create a more natural look.
  • 🐾 Pet Safe

📅 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.

Japanese Forest Grass

Repotting Every 2-3 years, or when the plant becomes root-bound. Divide clumps during repotting to control spread.
Pruning Cut back dead or damaged foliage in early spring. Trim to maintain shape and size.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer)
Seasonal Care In winter, reduce watering and allow the plant to enter dormancy. In summer, provide ample moisture and protect from intense sunlight.

🌞 Light Requirements

Aubrieta

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

Low light tolerant: ❌ No

Japanese Forest Grass

Partial shade to full shade outdoors; bright, indirect light indoors

Low light tolerant: ✅ Yes

💧 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.

Japanese Forest Grass

Keep soil consistently moist, but not soggy, especially during the growing season. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, while underwatering can cause the leaves to brown and crisp. Ensure good drainage.

🌡️ Temperature & Humidity

Aubrieta

Temperature: 10-24°C

Humidity: 30-50%

Japanese Forest Grass

Temperature: 15-24°C

Humidity: 40-60%

🤔 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.
Japanese Forest Grass

Japanese Forest Grass

Hakonechloa macra
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced plant enthusiasts seeking a unique and graceful accent plant for a bright indoor space or shaded outdoor garden.

✅ Choose This Plant If...

  • You appreciate the graceful, arching foliage and its movement in the breeze.
  • You have a partially shaded area in your garden or a bright indoor space.
  • You want to add texture and a touch of elegance to your plant collection.
  • You are an experienced plant owner looking for a unique challenge.
  • You want a plant that is relatively low-maintenance once established.

❌ Skip This Plant If...

  • You are a beginner plant owner.
  • You have limited space, as it can spread over time.
  • You cannot provide consistent moisture and humidity.
📍 Ideal Location: Bright, indirect light near a window, or a shaded patio.
🎨 Style: Asian-inspired, Naturalistic, Cottage Garden, Modern
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Hakonechloa macra is not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Both safe ✓
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.

Japanese Forest Grass Care Tips

Japanese Forest Grass is primarily an outdoor plant and requires specific conditions to thrive indoors. It needs bright, indirect light, consistent moisture, and good humidity. Maintaining these conditions indoors can be challenging, making it best suited for experienced plant enthusiasts. Proper drainage is crucial to prevent root rot.

  • Provide consistent moisture, especially during the growing season.
  • Ensure good drainage to prevent root rot.
  • Protect from direct sunlight to prevent leaf scorch.
  • Divide clumps every few years to control spread and rejuvenate the plant.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency. Ensure adequate humidity. Protect from frost if grown in containers outdoors.
☀️ Summer: Provide ample moisture. Protect from intense sunlight. Increase humidity if necessary.

⚠️ 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.

Japanese Forest Grass

Common Issues: Root rot, leaf scorch, pest infestations (spider mites, aphids)
Solutions: Root rot: Improve drainage and reduce watering frequency. Leaf scorch: Increase humidity and provide shade from direct sunlight. Pests: Treat with insecticidal soap or neem oil.

❓ 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.

Japanese Forest Grass

What are the light requirements for Japanese Forest Grass?

Japanese Forest Grass prefers partial to full shade, requiring protection from intense, direct sunlight, especially during the hottest part of the day. Morning sun is tolerated, but harsh afternoon sun can scorch the delicate foliage. Ideally, aim for 2-4 hours of dappled sunlight or bright, indirect light. In hotter climates, full shade is best. When grown indoors, place the plant near a north-facing window or in a location with filtered light. Insufficient light can result in less vibrant foliage color and weaker growth. Observe the plant for signs of stress, such as leaf burn or faded color, and adjust its location accordingly.

How do I care for Japanese Forest Grass?

Japanese Forest Grass thrives in partial to full shade with well-draining soil that retains moisture. Water regularly, especially during dry periods, keeping the soil consistently moist but not soggy. Fertilize in spring with a balanced, slow-release fertilizer to encourage healthy growth and vibrant color. Avoid over-fertilizing, as this can lead to leggy growth. Prune away any dead or damaged foliage in early spring. Provide protection from harsh winds and intense afternoon sun. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests, such as slugs and snails, and treat as needed. Deadhead spent flower stalks to maintain a tidy appearance. In colder climates, provide winter protection by mulching heavily around the base of the plant. Ensure good air circulation to prevent fungal diseases.

How do I propagate Japanese Forest Grass?

Japanese Forest Grass is best propagated by division in early spring or fall. Carefully dig up the plant and separate it into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil, spacing them appropriately. Water thoroughly and keep the soil consistently moist until the plants are established. Stem cuttings are not typically used for propagation. Keikis are not produced by this plant. Division is the most reliable method, allowing you to easily replicate the parent plant and establish new plants quickly. Ensure the divisions are handled gently to minimize stress and promote successful rooting.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.