Olive Tree vs Yarrow Plant Comparison

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

Olive Tree

Olive Tree

Olea europaea

VS
Yarrow

Yarrow

Achillea millefolium

Olive Tree

Olive Tree

Olea europaea

The Olive tree (Olea europaea) is an evergreen tree or shrub, known for its silvery-green leaves and fruit, the olive. It is a long-lived plant, often grown for its ornamental value, edible olives, and olive oil production. While it can be grown in containers, it thrives outdoors in warm climates with full sun. Indoor cultivation presents challenges due to its high light requirements and need for a distinct winter dormancy period. People grow it for its Mediterranean aesthetic and potential fruit production.

Oleaceae Mediterranean Basin
✨ Features: Produces edible olives (with proper care and pollination), attractive silvery-green foliage, drought-tolerant once established.
📖 Read Complete Olive Tree Guide
Yarrow

Yarrow

Achillea millefolium

Achillea millefolium, commonly known as Yarrow, is a herbaceous perennial characterized by its feathery, fern-like leaves and clusters of small, daisy-like flowers. Typically grown outdoors, it forms a spreading mat through rhizomes. The flowers, which bloom in summer, are usually white but can also be yellow, pink, or red in cultivated varieties. Yarrow is valued for its medicinal properties, drought tolerance, and ability to attract pollinators. It's primarily an outdoor plant and faces challenges when grown indoors due to its high light requirements and spreading nature.

Asteraceae Native to Europe and Asia, naturalized in North America
✨ Features: Attracts pollinators, medicinal properties, drought tolerance
📖 Read Complete Yarrow Guide

Quick Plant Comparison

Feature Olive Tree Yarrow
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6 hours of direct sunlight daily)
Watering Every 2-4 weeks, depending on environmental conditions and pot size. Less frequent in winter. Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 15-27°C 15-27°C
Care Level Expert Expert
Growth Rate Slow Fast
Max Height 2-3 meters (indoors in containers); 8-15 meters (outdoors) 30-90 cm (outdoors). Significantly smaller indoors, if it survives.
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, slightly alkaline soil. A mix of potting soil, sand, and perlite is suitable. Well-draining soil, such as a sandy or loamy mix. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (watering, fertilizing, pest control) 15 minutes weekly (outdoors)

🔬 Botanical Information — Comparing These Plants

Olive Tree

Scientific Name Olea europaea
Family Oleaceae
Native To Mediterranean Basin
Also Known As Olive, European Olive
Leaves The leaves are lanceolate (long and narrow), about 5-8 cm long, and have a distinctive silvery-green color due to tiny scales on the underside. They are evergreen and arranged oppositely on the branches.
Flowers Olive trees can flower indoors, but it is rare and requires very specific conditions. The flowers are small, white, and fragrant, appearing in clusters in spring. Pollination is required for fruit production, which can be achieved by hand-pollinating indoors.

Yarrow

Scientific Name Achillea millefolium
Family Asteraceae
Native To Native to Europe and Asia, naturalized in North America
Also Known As Yarrow, Common Yarrow, Milfoil
Leaves The leaves of yarrow are finely divided, feathery, and lance-shaped. They are typically green to grayish-green in color and have a slightly aromatic scent when crushed. The texture is soft and delicate.
Flowers Yarrow produces clusters of small, daisy-like flowers in summer. The flowers are typically white, but cultivated varieties can be yellow, pink, or red. It is unlikely to flower indoors due to insufficient light.

📏 Size & Growth — Plant Comparison

Olive Tree

Height 2-3 meters (indoors in containers); 8-15 meters (outdoors)
Spread 1-2 meters (indoors in containers); 5-10 meters (outdoors)
Growth Rate Slow
Growth Pattern Olive trees have an upright growth habit, developing a sturdy trunk and branching structure. In containers, they tend to be smaller and more shrub-like. They can be trained into various shapes through pruning.

Yarrow

Height 30-90 cm (outdoors). Significantly smaller indoors, if it survives.
Spread 30-60 cm (outdoors). Spreads aggressively via rhizomes.
Growth Rate Fast
Growth Pattern Yarrow grows upright with fern-like foliage and spreads via rhizomes, forming a mat-like ground cover. It can become quite dense and may need to be divided periodically to control its spread.

🌱 Propagation — Comparing Plant Growth

Olive Tree

Methods: Stem cuttings, air layering, seed (difficult)

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late spring or early summer. Use rooting hormone and provide bottom heat. Air layering is also a viable option.

Yarrow

Methods: Division, Seed, Root cuttings

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Sow seeds directly in the garden in spring or fall. Root cuttings can be taken in late fall or early spring.

✨ Benefits & Features — Comparing Plant Value

Olive Tree

The Olive tree is known for its longevity, often living for hundreds of years. Its silvery-green foliage and gnarled trunk create a distinctive Mediterranean aesthetic. It's also one of the few fruit-bearing trees that can be successfully grown in containers, although fruiting indoors is challenging.

  • ✓ Provides a Mediterranean aesthetic
  • ✓ Offers potential for olive production
  • ✓ Drought-tolerant once established
  • ✓ Long-lived and can become a cherished heirloom
  • ✓ Can improve air quality by absorbing carbon dioxide
  • 🐾 Pet Safe

Yarrow

Yarrow is known for its feathery foliage and clusters of small, daisy-like flowers. It is a drought-tolerant plant that attracts pollinators and has a long history of medicinal use. Its rhizomatous growth habit allows it to spread and form a mat-like ground cover.

  • ✓ Attracts beneficial insects and pollinators
  • ✓ Drought tolerant, reducing water usage
  • ✓ Adds texture and visual interest to gardens
  • ✓ Historically used for medicinal purposes
  • ✓ Relatively low maintenance once established outdoors
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Olive Tree

Repotting Every 2-3 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Prune in late winter or early spring to remove dead or crossing branches and to shape the tree. Prune lightly to encourage fruiting.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring/summer).
Seasonal Care In winter, reduce watering and provide a cool dormancy period (around 10-15°C). In summer, increase watering and ensure adequate sunlight. Protect from frost in colder climates.

Yarrow

Repotting Not suitable for long-term container growing indoors due to aggressive rhizomatous spread. If attempted, repot annually into a larger container.
Pruning Deadhead spent flowers regularly to encourage more blooms. Cut back foliage in late fall or early spring.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring. Avoid over-fertilizing.
Seasonal Care In winter, cut back dead foliage. In summer, deadhead spent flowers to encourage continued blooming. Provide adequate sunlight throughout the year.

🌞 Light Requirements

Olive Tree

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Yarrow

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

💧 Watering Needs

Olive Tree

Allow the soil to dry out significantly between waterings. Water thoroughly when the top 2-3 inches of soil are dry. Overwatering can lead to root rot. Signs of underwatering include drooping leaves and dry, brittle soil. Signs of overwatering include yellowing leaves and soggy soil.

Yarrow

Water deeply when the top inch of soil is dry. Avoid overwatering, as yarrow is susceptible to root rot. Overwatering signs include yellowing leaves and a musty smell. Underwatering signs include wilting and crispy leaves.

🌡️ Temperature & Humidity

Olive Tree

Temperature: 15-27°C

Humidity: 30-50%

Yarrow

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Olive Tree

Olive Tree

Olea europaea
Care: Expert Time: 30 minutes weekly (watering, fertilizing, pest control) Beginner: No

Experienced plant enthusiasts in warm climates who can provide ample sunlight and proper care.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want a low-maintenance tree once established.
  • You appreciate the Mediterranean aesthetic.
  • You are interested in potentially harvesting your own olives.
  • You have experience with challenging plant species.

❌ Skip This Plant If...

  • You live in a cold climate with limited sunlight.
  • You are a beginner plant owner.
  • You do not have a sunny outdoor space.
  • You are looking for a low-effort indoor plant.
  • You are not prepared to provide a cool winter dormancy period.
📍 Ideal Location: Sunny patio, balcony, or greenhouse. Indoors: Brightest south-facing window with supplemental lighting.
🎨 Style: Mediterranean, Rustic, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, the Olive tree is not toxic to dogs, cats, or horses.
Yarrow

Yarrow

Achillea millefolium
Care: Expert Time: 15 minutes weekly (outdoors) Beginner: No

Experienced gardeners looking for a low-maintenance, drought-tolerant plant for outdoor gardens.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for your garden.
  • You want to attract pollinators to your yard.
  • You are interested in using yarrow for its traditional medicinal properties.
  • You need a plant that thrives in full sun.
  • You want a plant with interesting, feathery foliage.

❌ Skip This Plant If...

  • You have pets that might ingest it, as it is toxic.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or sunny patio
🎨 Style: Cottage, Wildflower, Naturalistic
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains sesquiterpene lactones which can cause skin irritation, vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Olive Tree ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Olive Tree needs full sun (at least 6-8 hours of direct sunlight daily), while Yarrow prefers full sun (at least 6 hours of direct sunlight daily).

📈

Olive Tree has slow growth, while Yarrow grows fast.

💡 Pro Tips For Comparing These Plants

Olive Tree Care Tips

Olive trees are best suited for outdoor environments with ample sunlight. Indoor cultivation is challenging due to high light requirements, humidity control, and the need for a cool dormancy period. Consistent watering and proper fertilization are essential for healthy growth.

  • Provide at least 6-8 hours of direct sunlight daily.
  • Allow the soil to dry out significantly between waterings.
  • Fertilize regularly during the growing season.
  • Provide a cool, dry dormancy period in winter.
  • Prune annually to maintain shape and encourage fruiting.
❄️ Winter: Reduce watering significantly. Provide a cool dormancy period with temperatures around 10-15°C. Avoid fertilizing. Ensure adequate light, even during winter.
☀️ Summer: Increase watering frequency. Provide ample sunlight. Fertilize monthly. Protect from extreme heat and sunburn if newly moved outdoors.

Yarrow Care Tips

Yarrow is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to its high light needs and aggressive spreading habit. It's susceptible to root rot if overwatered. Expect significantly reduced growth and potential failure indoors.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal growth and flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Divide clumps every few years to prevent overcrowding.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Cut back dead foliage in late fall or early winter. Yarrow is cold-hardy and does not require special winter protection in most climates.
☀️ Summer: Deadhead spent flowers regularly to encourage more blooms. Water deeply during dry spells. Provide adequate sunlight to prevent leggy growth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Olive Tree

Common Issues: Scale insects, spider mites, root rot, lack of fruiting indoors
Solutions: Scale/Spider mites: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Lack of fruiting: Ensure adequate sunlight, proper pollination (hand-pollination indoors), and a cool winter dormancy.

Yarrow

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

❓ Frequently Asked Questions — Comparing These Plants

Olive Tree

What are the light requirements for Olive Tree?

Olive Trees require abundant sunlight to thrive indoors. Ideally, place your Olive Tree in a location that receives at least 6 hours of direct sunlight per day. A south-facing window is often the best option. If direct sunlight is limited, supplement with grow lights. Insufficient light can lead to leggy growth, yellowing leaves, and reduced fruit production (though fruit production is rare indoors). Rotate the plant regularly to ensure all sides receive adequate light. During the winter months, when sunlight is less intense, consider moving the plant closer to the window or increasing the use of grow lights.

How do I care for Olive Tree?

Olive Trees thrive indoors with proper care. Provide bright, direct sunlight for at least 6 hours daily. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix formulated for Mediterranean plants. Maintain a stable temperature between 65-80°F (18-27°C). Fertilize monthly during the growing season (spring/summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 2-3 years, increasing pot size gradually. Monitor for pests like scale or spider mites and treat promptly. Provide good air circulation. Rotate the plant regularly to ensure even growth. Avoid overwatering, which is a common cause of problems.

How do I propagate Olive Tree?

Olive Trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Place the cutting in a warm, humid environment. For air layering, make a small incision on a branch and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop within a few weeks. Once roots have formed, cut the branch below the rooted area and plant it in a pot.

Yarrow

What are the light requirements for Yarrow?

Yarrow thrives in full sun, requiring at least 6 to 8 hours of direct sunlight per day. Insufficient light can lead to leggy growth, reduced flowering, and a weakened plant. Choose a location in your garden or landscape that receives ample sunlight throughout the day. If growing Yarrow indoors, place it near a sunny window, such as a south-facing window.

How do I care for Yarrow?

Yarrow is a relatively easy-to-care-for plant, thriving in sunny locations and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Overwatering can lead to root rot. Fertilize sparingly, using a balanced fertilizer in the spring to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous blooming throughout the summer.

How do I propagate Yarrow?

Yarrow can be propagated through division, stem cuttings, or seeds.

Last updated: May 6, 2026 — Plant care data reviewed and verified by our editorial team.