Lovage vs Oat Grass Plant Comparison

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

Lovage

Lovage

Levisticum officinale

VS
Oat Grass

Oat Grass

Avena sativa

Lovage

Lovage

Levisticum officinale

Lovage is a tall, herbaceous perennial plant typically grown outdoors for its leaves, stems, and roots, all of which have a celery-like flavor. It can reach heights of 1.8 to 2.5 meters (6 to 8 feet). The plant features glossy, dark green leaves that are divided into leaflets. It produces umbels of yellowish-green flowers in the summer, followed by aromatic seeds. People grow lovage for culinary and medicinal purposes. It is primarily an outdoor plant and presents challenges when grown indoors due to its size and light requirements.

Apiaceae Southern Europe and Southwestern Asia
✨ Features: Aromatic leaves and seeds used in cooking; attracts beneficial insects.
📖 Read Complete Lovage Guide
Oat Grass

Oat Grass

Avena sativa

Avena sativa, or oat grass, is an annual cereal grain. It's characterized by its slender, upright stems and long, narrow leaves. Primarily grown outdoors for grain production, it's also cultivated as a cover crop and animal fodder. While sometimes grown indoors for pets, it's not naturally an indoor plant and requires specific conditions to thrive. People grow it for its nutritional value, as a pet treat, or for its aesthetic appeal as a temporary green addition.

Poaceae Likely originated in the Near East, now cultivated worldwide.
✨ Features: Provides a source of fiber and nutrients for pets.
📖 Read Complete Oat Grass Guide

Quick Plant Comparison

Feature Lovage Oat Grass
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.
Watering Every 7-10 days outdoors, less frequently if container-grown. Every 3-7 days, depending on environmental conditions and pot size.
Humidity 30-50% 40-60%
Temperature 15-24°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 0.6-1.2 meters (2-4 feet) indoors, significantly larger outdoors. 0.3-1 meter (indoors, typically shorter)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, fertile soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable. Well-draining potting mix or garden soil.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes weekly 5-10 minutes weekly.

🔬 Botanical Information — Comparing These Plants

Lovage

Scientific Name Levisticum officinale
Family Apiaceae
Native To Southern Europe and Southwestern Asia
Also Known As Lovage, Garden Lovage, Maggi Plant
Leaves Glossy, dark green leaves that are divided into leaflets. The leaflets are serrated and have a celery-like aroma when crushed. The leaves can grow up to 30 cm (12 inches) long.
Flowers Produces umbels of yellowish-green flowers in the summer. Flowering is less common indoors, but possible with sufficient light.

Oat Grass

Scientific Name Avena sativa
Family Poaceae
Native To Likely originated in the Near East, now cultivated worldwide.
Also Known As Oat, Common Oat
Leaves Long, narrow, and flat leaves, typically green in color. They have a smooth texture and parallel veins.
Flowers Rarely flowers indoors. Outdoors, it produces panicles of small, drooping spikelets containing the oat grains.

📏 Size & Growth — Plant Comparison

Lovage

Height 0.6-1.2 meters (2-4 feet) indoors, significantly larger outdoors.
Spread 0.6-0.9 meters (2-3 feet), spreads via rhizomes.
Growth Rate Fast
Growth Pattern Upright, bushy perennial with thick stems and large leaves. It can grow quite tall, reaching up to 2.5 meters (8 feet) outdoors. Spreads via rhizomes.

Oat Grass

Height 0.3-1 meter (indoors, typically shorter)
Spread 0.15-0.3 meters
Growth Rate Fast
Growth Pattern Upright, clumping grass with slender stems and long, narrow leaves. It grows rapidly from seed to maturity.

🌱 Propagation — Comparing Plant Growth

Lovage

Methods: Seed, Division, Root cuttings

Difficulty: Moderate

Tips: For seeds, cold stratify for a few weeks before sowing. Division is best done in spring or fall. Ensure each division has healthy roots and shoots. Root cuttings should be taken in late fall or early spring.

Oat Grass

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into soil, keep moist, and provide adequate sunlight.

✨ Benefits & Features — Comparing Plant Value

Lovage

Lovage has a strong celery-like flavor that is more intense than celery itself. It is a tall, imposing plant that can add vertical interest to a garden. The entire plant is edible and has various culinary and medicinal uses.

  • ✓ Provides fresh herbs for cooking.
  • ✓ Attracts beneficial insects to the garden.
  • ✓ Adds a unique flavor to dishes.
  • ✓ Can be used medicinally for digestive issues.
  • ✓ Aesthetically pleasing in a garden setting.
  • ⚠️ Toxic to pets

Oat Grass

Oat grass is a fast-growing annual that provides a fresh, green aesthetic. Its primary use is as a food source, making it a practical and visually appealing plant.

  • ✓ Provides a natural and healthy treat for pets.
  • ✓ Adds a touch of greenery to indoor spaces.
  • ✓ Easy to grow from seed.
  • ✓ Non-toxic and safe for households with pets and children.
  • ✓ Can be used as a temporary green filler in arrangements.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Lovage

Repotting Every 1-2 years, or as needed when the plant becomes root-bound. Repot in spring.
Pruning Prune regularly to maintain shape and encourage bushier growth. Remove any dead or yellowing leaves. Cut back flower stalks after blooming to prevent self-seeding.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In spring, fertilize and prune to encourage new growth. In summer, provide adequate water and monitor for pests. In fall, divide the plant if needed. In winter, reduce watering and protect from frost if grown in containers.

Oat Grass

Repotting Not typically repotted as it's an annual. If grown in a container, refresh the soil annually.
Pruning Trim dead or yellowing leaves to maintain appearance.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In winter, reduce watering frequency. In summer, ensure adequate sunlight and ventilation.

🌞 Light Requirements

Lovage

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

Low light tolerant: ❌ No

Oat Grass

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

Low light tolerant: ❌ No

💧 Watering Needs

Lovage

Water deeply when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. Ensure good drainage. Signs of underwatering include wilting leaves; signs of overwatering include yellowing leaves and a soggy soil.

Oat Grass

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting and browning leaf tips. Overwatering can cause yellowing leaves and a soggy soil surface.

🌡️ Temperature & Humidity

Lovage

Temperature: 15-24°C

Humidity: 30-50%

Oat Grass

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Lovage

Lovage

Levisticum officinale
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who want a flavorful herb for culinary use and have ample outdoor space.

✅ Choose This Plant If...

  • You want a strong celery-like flavor in your cooking.
  • You have a large outdoor garden space.
  • You enjoy growing herbs for both culinary and medicinal purposes.
  • You are an experienced gardener looking for a unique plant.
  • You want to attract beneficial insects to your garden.

❌ Skip This Plant If...

  • You have limited space, especially indoors.
  • You have pets that might ingest the plant.
  • You are a beginner gardener looking for an easy-to-grow plant.
📍 Ideal Location: Outdoor herb garden or large container on a sunny patio.
🎨 Style: Cottage Garden, Herb Garden, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Lovage contains psoralens which can cause photosensitivity in dogs, cats, and horses. Symptoms include skin irritation, redness, and blistering after exposure to sunlight.
Oat Grass

Oat Grass

Avena sativa
Care: Expert Time: 5-10 minutes weekly. Beginner: With-caution

Pet owners who want to provide a safe and natural treat for their animals.

✅ Choose This Plant If...

  • You want to provide a safe and natural treat for your pets.
  • You enjoy the aesthetic of fresh greenery in your home, even temporarily.
  • You want a fast-growing plant from seed.
  • You are looking for a non-toxic plant option.
  • You want to try growing your own pet food.

❌ Skip This Plant If...

  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are looking for a long-term indoor plant.
  • You are prone to overwatering plants.
📍 Ideal Location: Sunny windowsill or balcony.
🎨 Style: Natural, Rustic, Farmhouse
🏠 Apartment Friendly: Limited
⚠️ Avena sativa is generally considered non-toxic to humans, dogs, cats, and horses. However, large quantities may cause digestive upset.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Oat Grass ✓
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

Lovage Care Tips

Lovage is primarily an outdoor plant that requires full sun and well-drained soil. Growing it indoors is challenging due to its size and light requirements. It needs a large container and supplemental lighting to thrive. Regular fertilization and monitoring for pests are essential.

  • Provide full sun for optimal growth and flavor.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season.
  • Monitor for pests and diseases, and treat promptly.
  • Prune regularly to maintain shape and encourage bushier growth.
❄️ Winter: Reduce watering during the winter months as the plant's growth slows down. If grown in a container, protect from frost. In colder climates, the plant may die back to the ground and re-emerge in the spring.
☀️ Summer: Provide adequate water during the hot summer months. Monitor for pests and diseases, and treat promptly. Prune regularly to maintain shape and encourage bushier growth. Consider providing some afternoon shade in extremely hot climates.

Oat Grass Care Tips

Oat grass is primarily an outdoor plant. Growing it indoors requires ample sunlight, proper watering, and good ventilation. It's best suited as a temporary indoor plant, as it may not thrive long-term without ideal outdoor conditions. Expect a shorter lifespan indoors.

  • Ensure excellent drainage to prevent root rot.
  • Provide supplemental lighting if natural sunlight is insufficient.
  • Rotate the pot regularly to ensure even growth.
  • Avoid overcrowding the seeds when planting.
  • Monitor for pests and diseases regularly.
❄️ Winter: Reduce watering frequency during winter months. Ensure adequate light if grown indoors.
☀️ Summer: Provide adequate ventilation and ensure the soil doesn't dry out too quickly in hot weather.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lovage

Common Issues: Aphids, Spider mites, Root rot, Powdery mildew
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Powdery mildew: Improve air circulation and apply a fungicide.

Oat Grass

Common Issues: Yellowing leaves, fungal diseases, pest infestations (aphids).
Solutions: Yellowing leaves: Adjust watering and ensure proper drainage. Fungal diseases: Improve ventilation and use a fungicide. Pest infestations: Treat with insecticidal soap.

❓ Frequently Asked Questions — Comparing These Plants

Lovage

What are the light requirements for Lovage?

Lovage performs best in full sun to partial shade. Ideally, it should receive at least six hours of direct sunlight per day to promote vigorous growth and abundant blooms. In hotter climates, afternoon shade is beneficial to prevent leaf scorch. When grown indoors, place Lovage near a sunny window, such as a south- or west-facing window. If natural light is insufficient, supplement with grow lights to ensure adequate light exposure. Rotate the plant regularly to ensure even light distribution and prevent it from leaning towards the light source. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Lovage?

Lovage thrives in well-drained soil and prefers a sunny to partially shaded location. Water deeply and regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged. Fertilize in early spring with a balanced, slow-release fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further blooming and prevent self-seeding, unless you desire new plants. Prune back the plant in late fall after the foliage has died back to prepare it for winter dormancy. Provide support if the plant becomes too tall or top-heavy, especially in windy areas. Monitor for pests and diseases, and address any issues promptly. Mulch around the base of the plant to retain moisture and suppress weeds.

How do I propagate Lovage?

Lovage can be propagated through several methods: division, stem cuttings, and seed. Division is best done in spring or fall. Carefully dig up the plant and divide the root ball into smaller sections, ensuring each section has healthy roots and shoots. Replant the divisions in well-draining soil. Stem cuttings can be taken in spring or summer. Take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and plant in a well-draining potting mix. Keep the soil moist until roots develop. Seeds can be sown directly into the garden in spring or fall. Keep the soil moist and provide adequate light. Germination can take several weeks.

Oat Grass

What are the light requirements for Oat Grass?

Oat Grass flourishes in bright, indirect light. Insufficient light can lead to leggy growth and reduced flowering. An east-facing window is often ideal, providing gentle morning sun. A west-facing window can also work, but be cautious of intense afternoon sun, which can scorch the leaves. If you only have south-facing windows, filter the light with a sheer curtain.

How do I care for Oat Grass?

Oat Grass thrives in bright, indirect light. Direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Use a well-draining potting mix. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Maintain a moderate humidity level, ideally between 40-60%.

How do I propagate Oat Grass?

Oat Grass can be propagated by division. In spring, carefully remove the plant from its pot and gently separate the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant each clump in its own pot with fresh, well-draining potting mix. Water thoroughly and keep in a bright, indirect light location.

Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.