Chamomile vs Pencil Cactus 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
Pencil Cactus

Pencil Cactus

Euphorbia tirucalli

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
Pencil Cactus

Pencil Cactus

Euphorbia tirucalli

Euphorbia tirucalli, commonly known as Pencil Cactus, is a succulent shrub or small tree characterized by its smooth, cylindrical, pencil-thick green branches. It is virtually leafless for most of the year, with small, inconspicuous leaves appearing only briefly during the growing season. This plant can reach significant heights outdoors, but remains smaller when grown in containers. It's popular for its unique architectural form and drought tolerance. People grow it for its sculptural qualities and low maintenance requirements. It is primarily an outdoor plant but can be grown indoors with proper care.

Euphorbiaceae East Africa, India
✨ Features: Unique sculptural form, drought tolerance
📖 Read Complete Pencil Cactus Guide

Quick Plant Comparison

Feature Chamomile Pencil Cactus
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and color.
Watering Every 3-7 days depending on environmental conditions and pot size. Check soil moisture regularly. Every 2-4 weeks, depending on environmental conditions and pot size.
Humidity 30-50% 30-50%
Temperature 15-24°C 18-27°C
Care Level Expert Moderate
Growth Rate Fast Moderate
Max Height 0.3-0.6 meters (indoors, often smaller) 1-2 meters indoors, up to 7 meters outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, sandy loam soil with a slightly acidic to neutral pH (6.0-7.0). Well-draining succulent or cactus mix
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes weekly 5-10 minutes bi-weekly

🔬 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.

Pencil Cactus

Scientific Name Euphorbia tirucalli
Family Euphorbiaceae
Native To East Africa, India
Also Known As Pencil Cactus, Milk Bush, Indian Tree Spurge, Sticks on Fire
Leaves Leaves are small, lance-shaped, and inconspicuous, appearing only briefly during the growing season. They are typically less than 1 cm long and quickly fall off, leaving the plant virtually leafless.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous yellow flowers at the tips of the branches, but flowering is infrequent.

📏 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.

Pencil Cactus

Height 1-2 meters indoors, up to 7 meters outdoors
Spread 0.5-1 meter indoors, up to 2 meters outdoors
Growth Rate Moderate
Growth Pattern Upright, branching succulent shrub or small tree. It grows vertically with numerous cylindrical branches emerging from the main stem, creating a dense, bushy appearance.

🌱 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.

Pencil Cactus

Methods: Stem cuttings

Difficulty: Easy

Tips: Allow the cut end to callus over for several days before planting in well-draining soil. Wear gloves to avoid skin irritation from the sap.

✨ 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

Pencil Cactus

Its unique pencil-like branches and minimal foliage give it a distinct architectural appearance. The plant's drought tolerance and ability to thrive in harsh conditions make it a resilient and low-maintenance choice.

  • ✓ Drought-tolerant and low-maintenance
  • ✓ Adds a unique sculptural element to indoor spaces
  • ✓ Can improve indoor air quality by absorbing carbon dioxide
  • ✓ Provides a visually interesting focal point
  • ✓ Relatively pest-resistant when properly cared for
  • ⚠️ Toxic to pets

📅 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.

Pencil Cactus

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged branches. Wear gloves and eye protection when pruning to avoid contact with the sap.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in spring and once in summer.
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round. Protect from frost.

🌞 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

Pencil Cactus

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

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.

Pencil Cactus

Allow the soil to dry out completely between waterings. Water thoroughly when the soil is dry to the touch. Reduce watering frequency during the dormant winter months. Overwatering can lead to root rot. Signs of underwatering include shriveled branches. Signs of overwatering include yellowing or mushy branches.

🌡️ Temperature & Humidity

Chamomile

Temperature: 15-24°C

Humidity: 30-50%

Pencil Cactus

Temperature: 18-27°C

Humidity: 30-50%

🤔 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.
Pencil Cactus

Pencil Cactus

Euphorbia tirucalli
Care: Moderate Time: 5-10 minutes bi-weekly Beginner: With-caution

Experienced plant owners who want a unique, sculptural succulent and can provide ample sunlight and keep it away from pets and children.

✅ Choose This Plant If...

  • You want a visually striking, low-maintenance plant.
  • You have a sunny location where it can thrive.
  • You are experienced with succulents and understand their watering needs.
  • You don't have pets or small children who might be exposed to the toxic sap.
  • You appreciate unique and sculptural plants.

❌ Skip This Plant If...

  • You have pets or small children due to the plant's toxicity.
  • You cannot provide adequate sunlight.
  • You tend to overwater plants.
  • You are looking for a plant that is easy to propagate without special precautions.
📍 Ideal Location: South-facing window or sunroom
🎨 Style: Modern, Minimalist, Southwestern
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant contain a milky sap that is toxic to dogs, cats, and horses. Contact with the sap can cause skin irritation, oral irritation, vomiting, and diarrhea. Eye contact can cause severe irritation and temporary blindness.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Chamomile is rated Expert care level, while Pencil Cactus is Moderate.

📈

Chamomile has fast growth, while Pencil Cactus grows moderate.

💡 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.

Pencil Cactus Care Tips

Pencil Cactus requires bright light and infrequent watering. It is relatively easy to care for, but its toxic sap makes it unsuitable for homes with pets or small children. Indoor growth requires careful attention to light and watering to prevent etiolation and root rot.

  • Provide at least 6 hours of direct sunlight daily.
  • Allow the soil to dry out completely between waterings.
  • Use a well-draining succulent mix to prevent root rot.
  • Wear gloves and eye protection when handling the plant to avoid contact with the toxic sap.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Reduce watering significantly during the winter months as the plant enters a dormant period. Ensure the plant is still receiving adequate sunlight. Protect from frost.
☀️ Summer: Water more frequently during the summer growing season, but still allow the soil to dry out completely between waterings. Provide ample sunlight and good ventilation.

⚠️ 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.

Pencil Cactus

Common Issues: Root rot, scale insects, mealybugs, etiolation (stretching due to insufficient light)
Solutions: Root rot: Improve drainage and reduce watering frequency. Scale insects/Mealybugs: Treat with insecticidal soap or neem oil. Etiolation: Provide more light.

❓ 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.

Pencil Cactus

What are the light requirements for Pencil Cactus?

Pencil Cactus thrives in bright, direct sunlight. Aim for at least 6 hours of direct sunlight per day. Insufficient light can cause etiolation, resulting in weak, pale growth. An east- or south-facing window is ideal. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Pencil Cactus?

Pencil Cactus is a relatively easy-to-care-for succulent, thriving on neglect and bright light. Plant in well-draining cactus mix. Water sparingly, allowing the soil to dry out completely between waterings, especially during winter dormancy. Provide at least 6 hours of direct sunlight daily.

How do I propagate Pencil Cactus?

Pencil Cactus can be easily propagated through stem cuttings. Allow the cut end to callus over for several days before planting in well-draining cactus mix. Keep the soil slightly moist until roots develop. Propagation from offsets is also possible; simply detach the offset and plant it in well-draining soil. Seed propagation is more challenging and requires patience. Grafting is less common but can be used to propagate difficult-to-root varieties. Always wear gloves when handling cuttings due to the irritating sap. Allow the cutting to dry and form a callous before planting in soil. Protect from excessive sun while rooting. Rooting hormone can be used, but is not necessary.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.