German Chamomile vs Lobelia Plant Comparison

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

German Chamomile

German Chamomile

Matricaria chamomilla

VS
Lobelia

Lobelia

Lobelia cardinalis

German Chamomile

German Chamomile

Matricaria chamomilla

German chamomile is an annual plant typically grown for its medicinal and aromatic properties. It features delicate, feathery leaves and small, daisy-like flowers with white petals surrounding a yellow central disc. It grows to about 1-2 feet tall and spreads readily. While primarily an outdoor plant, it can be grown indoors with significant effort to replicate its preferred sunny conditions. People grow it for its calming tea, essential oils, and ornamental value in gardens.

Asteraceae Europe and Asia
✨ Features: Aromatic flowers, medicinal properties, attracts pollinators
📖 Read Complete German Chamomile Guide
Lobelia

Lobelia

Lobelia cardinalis

Lobelia cardinalis, the cardinal flower, is a herbaceous perennial native to North America. It typically grows to a height of 2-4 feet. It features vibrant red, tubular flowers arranged on upright spikes. This plant is primarily grown outdoors in moist, well-drained soil, often near streams or ponds. While its striking color makes it desirable, it's challenging to maintain indoors due to its high light and humidity requirements. Gardeners cultivate it for its beauty and its attraction to hummingbirds and butterflies.

Campanulaceae North America
✨ Features: Attracts hummingbirds and butterflies
📖 Read Complete Lobelia Guide

Quick Plant Comparison

Feature German Chamomile Lobelia
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade
Watering Every 2-5 days outdoors, every 5-7 days indoors, depending on sunlight and temperature Every 2-3 days, depending on weather and soil drainage
Humidity 30-50% 60-80%
Temperature 15-24°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-0.6 meters (1-2 feet) indoors, slightly taller outdoors N/A (Primarily outdoor plant)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining sandy or loamy soil Rich, well-drained, consistently moist soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

German Chamomile

Scientific Name Matricaria chamomilla
Family Asteraceae
Native To Europe and Asia
Also Known As German chamomile, Chamomile, Wild chamomile
Leaves Finely divided, feathery leaves that are light green in color. They are alternate along the stem and have a delicate, almost fern-like appearance.
Flowers It produces small, daisy-like flowers with white petals surrounding a bright yellow central disc. While it can flower indoors under ideal conditions, it's more common and prolific outdoors.

Lobelia

Scientific Name Lobelia cardinalis
Family Campanulaceae
Native To North America
Also Known As Cardinal flower, Red lobelia
Leaves The leaves are lance-shaped, toothed, and arranged alternately along the stem. They are typically a medium green color.
Flowers It rarely flowers indoors. Outdoors, it produces vibrant red, tubular flowers arranged on upright spikes. The flowers bloom from mid-summer to early fall.

📏 Size & Growth — Plant Comparison

German Chamomile

Height 0.3-0.6 meters (1-2 feet) indoors, slightly taller outdoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Fast
Growth Pattern Upright, branching annual that forms a bushy clump. It tends to sprawl if not supported or pruned.

Lobelia

Height N/A (Primarily outdoor plant)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Upright, clumping perennial with flowering spikes reaching 2-4 feet tall. It spreads slowly by seed and division.

🌱 Propagation — Comparing Plant Growth

German Chamomile

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring or fall. Lightly cover the seeds with soil and keep them moist until germination.

Lobelia

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: For seeds, cold stratify for a few weeks before sowing. Division is best done in spring or fall. Stem cuttings should be taken in spring and rooted in water or moist soil.

✨ Benefits & Features — Comparing Plant Value

German Chamomile

Its distinct apple-like fragrance and delicate, daisy-like flowers make it easily identifiable. It's also known for its medicinal properties, particularly its calming and anti-inflammatory effects.

  • ✓ Provides calming tea ingredients.
  • ✓ Attracts beneficial insects to the garden.
  • ✓ Adds a pleasant aroma to the garden.
  • ✓ Can be used in homemade skincare products.
  • ✓ Offers a visually appealing, delicate aesthetic.
  • ⚠️ Toxic to pets

Lobelia

The vibrant red color and tubular shape of the flowers are specifically adapted to attract hummingbirds. It is a native North American plant, making it a valuable addition to local ecosystems.

  • ✓ Attracts pollinators like hummingbirds and butterflies
  • ✓ Adds vibrant color to the garden
  • ✓ Provides a natural habitat for wildlife
  • ✓ Contributes to biodiversity
  • ✓ Offers a visually appealing focal point
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

German Chamomile

Repotting Not applicable as it's an annual plant. Start new seeds each year.
Pruning Deadhead spent flowers to encourage further blooming. Trim back leggy growth.
Fertilizing Light feeding with a balanced liquid fertilizer every 4-6 weeks during the growing season (spring/summer). Dilute to half strength.
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate watering and provide afternoon shade in very hot climates.

Lobelia

Repotting N/A (Primarily outdoor plant)
Pruning Deadhead spent flowers to encourage continued blooming. Cut back foliage in late fall after it has died back.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer)
Seasonal Care In winter, mulch around the base of the plant to protect the roots from freezing. In summer, ensure consistent moisture and provide afternoon shade in hot climates.

🌞 Light Requirements

German Chamomile

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Lobelia

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

German Chamomile

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and dry, crispy leaves.

Lobelia

Keep soil consistently moist, especially during hot weather. Overwatering can lead to root rot, indicated by yellowing leaves and a foul smell. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

German Chamomile

Temperature: 15-24°C

Humidity: 30-50%

Lobelia

Temperature: 15-25°C

Humidity: 60-80%

🤔 Which Plant Is Right For You?

German Chamomile

German Chamomile

Matricaria chamomilla
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who want to grow their own chamomile for tea or other medicinal purposes and have a sunny outdoor space.

✅ Choose This Plant If...

  • You want to grow your own tea ingredients.
  • You have a sunny garden space.
  • You enjoy the apple-like scent of the flowers.
  • You want to attract pollinators to your garden.
  • You are experienced with growing herbs.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You have pets that might ingest the plant.
  • You are a beginner gardener looking for an easy indoor plant.
📍 Ideal Location: Outdoor garden or sunny patio. If indoors, a south-facing window with supplemental grow lights.
🎨 Style: Cottage garden, Herb garden, Naturalistic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, chamomile can be toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and allergic reactions.
Lobelia

Lobelia

Lobelia cardinalis
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners looking to attract hummingbirds to their outdoor garden.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You have a consistently moist area in your garden.
  • You appreciate vibrant red flowers.
  • You are an experienced gardener looking for a rewarding challenge.
  • You want a native North American plant.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You have a dry garden.
  • You are a beginner gardener.
  • You want a low-maintenance plant.
📍 Ideal Location: Outdoor garden near a stream or pond with partial shade
🎨 Style: Cottage garden, Naturalistic garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, salivation, and weakness.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

German Chamomile needs full sun (at least 6 hours of direct sunlight per day), while Lobelia prefers full sun to partial shade.

📈

German Chamomile has fast growth, while Lobelia grows moderate.

💡 Pro Tips For Comparing These Plants

German Chamomile Care Tips

German chamomile is primarily an outdoor plant and requires full sun to thrive. Growing it indoors is challenging due to the high light requirements. It needs well-draining soil and careful watering to avoid root rot. Supplemental grow lights are often necessary for indoor cultivation.

  • Start seeds indoors 6-8 weeks before the last frost if you want an early start.
  • Ensure well-draining soil to prevent root rot.
  • Harvest flowers in the morning when they are fully open for the best flavor and potency.
  • Dry the flowers thoroughly before storing them for tea.
  • Provide support if the plants become leggy or top-heavy.
❄️ Winter: As an annual, German chamomile typically dies back in winter. Protect from hard frosts if you want to try and overwinter it, but it's best to start fresh seeds in the spring.
☀️ Summer: Ensure consistent watering during hot summer months. Provide afternoon shade in extremely hot climates to prevent scorching. Harvest flowers regularly to encourage continued blooming.

Lobelia Care Tips

Lobelia cardinalis is primarily an outdoor plant and is very difficult to grow indoors. It requires high light, consistent moisture, and high humidity, which are challenging to replicate in a typical indoor environment. It is prone to root rot if not properly drained.

  • Provide consistent moisture, especially during hot weather.
  • Deadhead spent flowers to encourage more blooms.
  • Protect from frost in winter with mulch.
  • Monitor for pests and diseases regularly.
  • Plant in a location with good air circulation to prevent powdery mildew.
❄️ Winter: Cut back foliage after it has died back. Apply a layer of mulch around the base of the plant to protect the roots from freezing.
☀️ Summer: Ensure consistent moisture, especially during hot weather. Provide afternoon shade in hotter climates to prevent scorching.

⚠️ Common Problems & Solutions — Plant Care Comparison

German Chamomile

Common Issues: Leggy growth, Powdery mildew, Aphids, Root rot
Solutions: Provide more light for leggy growth. Improve air circulation and use a fungicide for powdery mildew. Treat aphids with insecticidal soap. Ensure proper drainage and avoid overwatering to prevent root rot.

Lobelia

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Improve drainage and reduce watering frequency. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and spray with miticide.

❓ Frequently Asked Questions — Comparing These Plants

German Chamomile

What are the light requirements for German Chamomile?

German Chamomile requires ample sunlight to flourish and produce abundant blooms. Ideally, provide at least six hours of direct sunlight per day. A south-facing window or a sunny spot in the garden is ideal. If growing indoors and natural light is limited, supplement with grow lights to ensure adequate illumination. Insufficient light can lead to leggy growth, reduced flowering, and pale foliage. Rotate the plant regularly to ensure even light exposure on all sides. Avoid exposing the plant to intense afternoon sun during peak summer months, as this can scorch the leaves.

How do I care for German Chamomile?

German Chamomile thrives in full sun to partial shade, requiring at least six hours of sunlight daily for optimal blooming. Water regularly, keeping the soil consistently moist but not waterlogged, especially during dry periods. Well-draining soil is crucial to prevent root rot. Fertilize lightly every 4-6 weeks during the growing season with a balanced liquid fertilizer. Deadhead spent flowers to encourage continuous blooming. Prune back the plant after flowering to maintain its shape and promote bushier growth. Protect from frost in colder climates or grow as an annual. Monitor for pests like aphids and treat as needed. Provide good air circulation to prevent fungal diseases.

How do I propagate German Chamomile?

German Chamomile can be propagated easily from seeds or by division. For seeds, sow them directly into the soil in spring or fall. Keep the soil moist until germination occurs. For division, gently separate the root ball of an established plant into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil. It also can be propagated by stem cuttings. Take 4-6 inch cuttings from healthy stems, remove the lower leaves, and place them in water or directly into moist soil. Keep the cuttings in a warm, bright location until roots develop.

Lobelia

What are the light requirements for Lobelia?

Lobelia flourishes in bright, indirect light. Direct sunlight, especially during the hottest part of the day, can scorch its delicate foliage. An east-facing window is often ideal, providing gentle morning sun. If growing outdoors, choose a location that receives partial shade, particularly during the afternoon. Insufficient light can result in leggy growth and reduced blooming. Observe your plant closely and adjust its location as needed to ensure it receives the appropriate amount of light. Rotate container-grown Lobelia periodically to ensure even light exposure on all sides. Supplement natural light with grow lights if necessary, especially during the winter months.

How do I care for Lobelia?

Lobelia thrives with consistent care. Provide bright, indirect light to encourage abundant blooming. Water regularly, keeping the soil consistently moist but not waterlogged; allow the top inch of soil to dry slightly between waterings. Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer diluted to half strength to promote flowering. Pinch back stems regularly to encourage bushier growth and more blooms. Maintain a temperature range of 60-75°F (15-24°C) and provide adequate humidity, especially indoors. Deadhead spent flowers to prolong the blooming period. Repot annually in spring if needed, using a well-draining potting mix. Monitor for pests like aphids and spider mites, and treat promptly if detected. Ensure good air circulation to prevent fungal diseases.

How do I propagate Lobelia?

Lobelia can be propagated through stem cuttings or division.

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