Chamomile vs Old Man's Beard Plant Comparison

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

Chamomile

Chamomile

Matricaria chamomilla

VS
Old Man's Beard

Old Man's Beard

Usnea spp.

Chamomile

Chamomile

Matricaria chamomilla

Matricaria chamomilla, or German Chamomile, is an annual plant typically grown for its daisy-like flowers and medicinal properties. It features finely divided, feathery leaves and small, white flowers with a prominent yellow center. Growing to a height of 1-2 feet, it has an upright growth habit. While primarily an outdoor plant, it can be grown indoors with sufficient light and care. People grow it for its calming tea, essential oils, and ornamental value in gardens.

Asteraceae Europe and Asia
✨ Features: Medicinal properties, fragrant flowers, attracts pollinators.
📖 Read Complete Chamomile Guide
Old Man's Beard

Old Man's Beard

Usnea spp.

Old Man's Beard is a lichen, not a plant. It's a symbiotic relationship between a fungus and an alga or cyanobacterium. It appears as stringy, hair-like strands hanging from trees and shrubs. Its color ranges from pale green to grayish-green. It thrives in humid environments with clean air. People collect it for its purported medicinal properties and decorative uses. It is primarily an outdoor organism and cannot be successfully grown indoors.

Parmeliaceae Worldwide, various species have different distributions
✨ Features: Indicator of air quality; sensitive to pollution.
📖 Read Complete Old Man's Beard Guide

Quick Plant Comparison

Feature Chamomile Old Man's Beard
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering. Bright, indirect light outdoors. Full sun can scorch it in dry conditions.
Watering Every 3-7 days depending on environmental conditions and pot size. Check soil moisture regularly. Dependent on environmental humidity; mist when dry
Humidity 30-50% 60-90%
Temperature 15-24°C 5-25°C
Care Level Expert Expert
Growth Rate Fast Slow
Max Height 0.3-0.6 meters (indoors, often smaller) Variable, up to several feet long depending on the species and environment.
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, sandy loam soil with a slightly acidic to neutral pH (6.0-7.0). Does not grow in soil. Attaches to tree bark or other surfaces.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 5 minutes weekly (for misting if needed).

🔬 Botanical Information — Comparing These Plants

Chamomile

Scientific Name Matricaria chamomilla
Family Asteraceae
Native To Europe and Asia
Also Known As German Chamomile, Wild Chamomile
Leaves Finely divided, feathery leaves that are light green in color. The leaves are alternate and have a delicate texture.
Flowers Produces small, daisy-like flowers with white petals surrounding a prominent yellow center. Flowers readily when grown in optimal conditions.

Old Man's Beard

Scientific Name Usnea spp.
Family Parmeliaceae
Native To Worldwide, various species have different distributions
Also Known As Old Man's Beard, Tree Moss, Beard Lichen
Leaves Does not have leaves. Consists of thread-like or strap-shaped structures that are pale green to grayish-green in color.
Flowers Does not flower.

📏 Size & Growth — Plant Comparison

Chamomile

Height 0.3-0.6 meters (indoors, often smaller)
Spread 0.2-0.3 meters
Growth Rate Fast
Growth Pattern Upright, bushy growth habit. It tends to sprawl slightly as it matures.

Old Man's Beard

Height Variable, up to several feet long depending on the species and environment.
Spread Variable, depending on the host tree and environmental conditions.
Growth Rate Slow
Growth Pattern Hangs in long, stringy strands from tree branches and other surfaces.

🌱 Propagation — Comparing Plant Growth

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. Germination typically occurs within 7-14 days.

Old Man's Beard

Methods: Fragmentation (pieces breaking off and attaching to new surfaces).

Difficulty: Moderate

Tips: Ensure high humidity and a suitable substrate (tree bark). Success is not guaranteed.

✨ Benefits & Features — Comparing Plant Value

Chamomile

Chamomile is known for its calming properties and is often used in teas and aromatherapy. Its apple-like scent is also a distinctive characteristic. The plant's feathery foliage adds a delicate texture to gardens.

  • ✓ Provides ingredients for calming tea.
  • ✓ Attracts beneficial insects to the garden.
  • ✓ Adds a pleasant fragrance to the air.
  • ✓ Offers potential medicinal benefits.
  • ✓ Enhances the aesthetic appeal of a garden.
  • ⚠️ Toxic to pets

Old Man's Beard

It is a lichen, not a plant, representing a symbiotic relationship between a fungus and an alga. Its presence indicates good air quality, making it a valuable environmental indicator.

  • ✓ Air quality indication
  • ✓ Aesthetic appeal in natural settings
  • ✓ Potential medicinal properties
  • ✓ Educational value
  • ✓ Supports biodiversity
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Chamomile

Repotting Not typically repotted as it is an annual plant. If grown in a container, refresh the soil annually.
Pruning Deadhead spent flowers to encourage further blooming. Prune back stems to maintain shape and prevent legginess.
Fertilizing Light feeding with a balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, water more frequently and fertilize regularly. In fall, reduce watering and allow the plant to set seed. In winter, protect from frost if grown outdoors.

Old Man's Beard

Repotting Not applicable.
Pruning Not applicable.
Fertilizing Not applicable; obtains nutrients from the air and rainwater.
Seasonal Care Maintain high humidity during dry seasons. Protect from extreme temperatures.

🌞 Light Requirements

Chamomile

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

Low light tolerant: ❌ No

Old Man's Beard

Bright, indirect light outdoors. Full sun can scorch it in dry conditions.

Low light tolerant: ❌ No

💧 Watering Needs

Chamomile

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of overwatering include yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves.

Old Man's Beard

Requires high humidity and moisture. In dry climates, misting may be necessary, but it primarily obtains moisture from the air.

🌡️ Temperature & Humidity

Chamomile

Temperature: 15-24°C

Humidity: 30-50%

Old Man's Beard

Temperature: 5-25°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Chamomile

Chamomile

Matricaria chamomilla
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners looking to grow herbs for tea or medicinal purposes, with a safe outdoor space away from pets.

✅ Choose This Plant If...

  • You want to grow your own tea ingredients.
  • You have a sunny outdoor garden space.
  • You are interested in the medicinal properties of herbs.
  • You enjoy the fragrance of chamomile flowers.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You don't have a sunny location.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden, sunny balcony, or greenhouse. Very difficult to grow successfully indoors.
🎨 Style: Cottagecore, Traditional, Herb Garden
🏠 Apartment Friendly: No
⚠️ Chamomile contains compounds that can be toxic to dogs, cats, and horses. Symptoms may include vomiting, diarrhea, anorexia, and allergic reactions. All parts of the plant are potentially toxic.
Old Man's Beard

Old Man's Beard

Usnea spp.
Care: Expert Time: 5 minutes weekly (for misting if needed). Beginner: No

Outdoor environments with high humidity and clean air.

✅ Choose This Plant If...

  • You live in a naturally humid environment with clean air.
  • You want to study lichens and their role in the ecosystem.
  • You are interested in traditional medicine and the potential uses of Usnea.
  • You have a shaded outdoor area where you can provide high humidity.
  • You want a natural air quality indicator.

❌ Skip This Plant If...

  • You live in a dry climate.
  • You have poor air quality.
  • You want an easy-to-care-for houseplant.
📍 Ideal Location: Outdoor areas with high humidity and clean air, such as forests or shaded gardens.
🎨 Style: Naturalistic, Woodland, Cottagecore
🏠 Apartment Friendly: No
⚠️ Generally considered non-toxic to humans and animals, but ingestion of large quantities may cause digestive upset.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Old Man's Beard ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Chamomile has fast growth, while Old Man's Beard grows slow.

💡 Pro Tips For Comparing These Plants

Chamomile Care Tips

Chamomile is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements. It is also toxic to pets. Consistent watering and occasional fertilization are necessary. Indoor plants will likely be less vigorous and produce fewer flowers than those grown outdoors.

  • Provide at least 6 hours of direct sunlight daily.
  • Ensure well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize lightly during the growing season.
  • Deadhead spent flowers to encourage continuous blooming.
❄️ Winter: If grown outdoors in colder climates, protect from frost with a layer of mulch. Reduce watering during dormancy.
☀️ Summer: Water more frequently during hot, dry weather. Provide some afternoon shade in extremely hot climates to prevent scorching.

Old Man's Beard Care Tips

Old Man's Beard is an outdoor lichen that is extremely difficult to cultivate indoors. It requires very high humidity, clean air, and specific lighting conditions. It is not a suitable houseplant and will likely die indoors.

  • Provide high humidity through regular misting or a humidifier.
  • Ensure good air circulation to prevent fungal growth.
  • Protect from direct sunlight, especially during the hottest part of the day.
  • Monitor for signs of drying out and adjust humidity accordingly.
  • Avoid using tap water for misting, as it can contain minerals that harm the lichen.
❄️ Winter: Protect from extreme cold and drying winds. Ensure adequate humidity.
☀️ Summer: Provide shade during the hottest part of the day. Increase humidity if necessary.

⚠️ Common Problems & Solutions — Plant Care Comparison

Chamomile

Common Issues: Powdery mildew, Aphids, Root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Wash off with a strong stream of water or use insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering.

Old Man's Beard

Common Issues: Drying out, air pollution, lack of humidity, fungal infections.
Solutions: Increase humidity through misting or humidifiers. Ensure good air circulation. Treat fungal infections with appropriate fungicides (though this is difficult to do without harming the lichen).

❓ Frequently Asked Questions — Comparing These Plants

Chamomile

What are the light requirements for Chamomile?

Chamomile needs ample sunlight to thrive and produce abundant blooms. Ideally, it should receive at least 6 hours of direct sunlight per day. In hotter climates, providing some afternoon shade can prevent the plant from scorching. Insufficient light can result in leggy growth, reduced flowering, and a weaker plant overall.

How do I care for Chamomile?

Chamomile thrives in well-draining soil and prefers full sun to partial shade, needing at least 6 hours of sunlight daily for optimal blooming. Water regularly, allowing the soil to dry slightly between waterings, especially during the growing season. Avoid overwatering, which can lead to root rot. Fertilize lightly every 2-4 weeks during the blooming period with a balanced liquid fertilizer diluted to half strength.

How do I propagate Chamomile?

Chamomile can be propagated through division, stem cuttings, and seeds. Division is best done in spring or fall by carefully separating the root ball and replanting the divisions. For stem cuttings, take 4-6 inch cuttings from healthy stems, remove the lower leaves, and root them in water or well-draining soil. Keep the soil consistently moist until roots develop.

Old Man's Beard

What are the light requirements for Old Man's Beard?

Old Man’s Beard thrives in bright, indirect light. Direct sunlight can scorch its delicate foliage, causing it to dry out and turn brown. The ideal location is near an east- or west-facing window where it receives filtered sunlight. If you’re using artificial light, provide it with several hours of fluorescent or LED grow lights daily.

How do I care for Old Man's Beard?

Caring for Old Man’s Beard is relatively simple, but understanding its needs is crucial for its health and longevity. Place it in a location with bright, indirect light. Avoid direct sunlight, which can scorch the delicate foliage. Water by misting the plant thoroughly 2-3 times a week, or soaking it in water for 15-30 minutes every 1-2 weeks. After soaking, gently shake off excess water to prevent rot.

How do I propagate Old Man's Beard?

Old Man’s Beard is primarily propagated through pups, or offsets, that grow from the main plant. Once a pup reaches about one-third the size of the mother plant, it can be carefully separated. Gently pull or cut the pup from the main strand, ensuring you don’t damage either plant.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.