Mare's Tail vs Mastic Tree Plant Comparison

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

Mare's Tail

Mare's Tail

Equisetum arvense

VS
Mastic Tree

Mastic Tree

Pistacia lentiscus

Mare's Tail

Mare's Tail

Equisetum arvense

Equisetum arvense, commonly known as Mare's Tail or Horsetail, is a perennial plant characterized by its distinctive segmented stems that resemble a horse's tail. It grows from creeping rhizomes, allowing it to spread aggressively. The plant has two types of stems: fertile stems that produce spores and sterile stems that are green and photosynthetic. It is primarily an outdoor plant, thriving in moist environments. People grow it for its unique appearance, though its aggressive spreading habit can make it a challenging garden plant. It is not typically grown indoors due to its specific environmental needs and invasive nature.

Equisetaceae Native to temperate regions of the Northern Hemisphere, including North America, Europe, and Asia
✨ Features: Ancient plant with a unique appearance; used historically for medicinal purposes (though caution is advised due to toxicity and potential interactions)
📖 Read Complete Mare's Tail Guide
Mastic Tree

Mastic Tree

Pistacia lentiscus

Pistacia lentiscus, or Mastic Tree, is an evergreen shrub or small tree native to the Mediterranean. It typically grows to 1-8 meters tall. It is known for producing mastic, a resin used in chewing gum, liquors, and varnishes. The plant has a dense, bushy habit with pinnate leaves. While it can be grown in containers, it is primarily an outdoor plant, thriving in full sun and well-drained soil. People grow it for its ornamental value, drought tolerance, and the aromatic resin it produces.

Anacardiaceae Mediterranean region
✨ Features: Produces mastic resin, drought-tolerant, evergreen foliage
📖 Read Complete Mastic Tree Guide

Quick Plant Comparison

Feature Mare's Tail Mastic Tree
Light Full sun to partial shade Full sun to partial shade
Watering Every 2-3 days, depending on weather and soil drainage Every 1-2 weeks, depending on environmental conditions
Humidity 50-70% 40-60%
Temperature 10-25°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Slow
Max Height 30-60 cm (outdoor) 1-2 meters (indoors, in containers)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Moist, well-draining soil; tolerates a wide range of soil types, including clay and sandy soils Well-drained sandy or loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (due to aggressive spreading) 30 minutes weekly (primarily watering and checking for pests)

🔬 Botanical Information — Comparing These Plants

Mare's Tail

Scientific Name Equisetum arvense
Family Equisetaceae
Native To Native to temperate regions of the Northern Hemisphere, including North America, Europe, and Asia
Also Known As Horsetail, Field Horsetail, Bottle Brush, Paddock Pipes
Leaves Leaves are reduced to small, scale-like sheaths that encircle the stem at each node. The main photosynthetic function is carried out by the green stems.
Flowers Does not flower. Reproduces via spores produced on fertile stems, which are different from the green, photosynthetic stems.

Mastic Tree

Scientific Name Pistacia lentiscus
Family Anacardiaceae
Native To Mediterranean region
Also Known As Mastic Tree, Lentisk
Leaves The leaves are pinnately compound, consisting of 4-10 pairs of leaflets. The leaflets are small, oval-shaped, and leathery in texture. They are a glossy dark green color and emit a resinous aroma when crushed.
Flowers The Mastic Tree produces small, inconspicuous flowers in spring. Male and female flowers are borne on separate plants (dioecious). Flowering is rare indoors.

📏 Size & Growth — Plant Comparison

Mare's Tail

Height 30-60 cm (outdoor)
Spread Spreads aggressively via rhizomes, forming extensive colonies
Growth Rate Fast
Growth Pattern Upright, segmented stems emerge from creeping rhizomes, forming dense colonies. The plant spreads horizontally via rhizomes, quickly covering large areas.

Mastic Tree

Height 1-2 meters (indoors, in containers)
Spread 1-1.5 meters (indoors, in containers)
Growth Rate Slow
Growth Pattern The Mastic Tree typically grows as a dense, multi-stemmed shrub or small tree. It has an upright growth habit and can be pruned to maintain a desired shape. It does not spread aggressively.

🌱 Propagation — Comparing Plant Growth

Mare's Tail

Methods: Rhizome division, spores (difficult)

Difficulty: Moderate

Tips: Divide rhizomes in spring or fall. Ensure each division has healthy roots and stems. Plant in moist soil and keep well-watered.

Mastic Tree

Methods: Seed, stem cuttings, layering

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Use rooting hormone and provide bottom heat for best results. Seeds require scarification and stratification before sowing.

✨ Benefits & Features — Comparing Plant Value

Mare's Tail

Mare's Tail is a living fossil, with ancestors dating back millions of years. Its high silica content gives it a rough texture and makes it resistant to pests and diseases. Its aggressive spreading habit allows it to quickly colonize wet areas.

  • ✓ Unique aesthetic appeal in a natural setting.
  • ✓ Can help stabilize soil in wet areas.
  • ✓ Provides habitat for some insects.
  • ✓ Historically used for medicinal purposes (though not recommended due to toxicity).
  • ✓ Adds a touch of prehistoric charm to the landscape.
  • ⚠️ Toxic to pets

Mastic Tree

The Mastic Tree is unique for its production of mastic resin, a natural gum with a distinctive flavor and aroma. This resin has been used for centuries in traditional medicine, cooking, and cosmetics. Its drought tolerance and evergreen foliage also make it a valuable ornamental plant in Mediterranean climates.

  • ✓ Drought tolerance makes it water-wise.
  • ✓ Evergreen foliage provides year-round visual interest.
  • ✓ Aromatic leaves release a pleasant scent.
  • ✓ Mastic resin has potential medicinal properties.
  • ✓ Provides habitat for local wildlife in outdoor settings.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Mare's Tail

Repotting Not applicable for indoor growing. If grown in a container outdoors, repot annually to control spread.
Pruning Cut back dead or damaged stems as needed. Control spread by removing unwanted shoots.
Fertilizing Not typically needed; can benefit from a light application of balanced fertilizer in spring if growth is weak
Seasonal Care In spring, new growth emerges. In summer, ensure adequate moisture. In fall, stems may die back. In winter, the plant is dormant; reduce watering but keep soil slightly moist.

Mastic Tree

Repotting Every 2-3 years, or when the plant becomes root-bound
Pruning Prune in late winter or early spring to maintain shape and remove dead or damaged branches.
Fertilizing Balanced slow-release fertilizer in spring. Diluted liquid fertilizer every 2-3 months during the growing season.
Seasonal Care Reduce watering in winter. Provide protection from frost in colder climates. Increase watering and fertilization during the growing season (spring and summer).

🌞 Light Requirements

Mare's Tail

Full sun to partial shade

Low light tolerant: ❌ No

Mastic Tree

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Mare's Tail

Requires consistently moist soil. Water deeply when the top inch of soil feels dry. Overwatering can lead to root rot, especially in poorly drained soils. Underwatering will cause the stems to dry out and turn brown.

Mastic Tree

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

🌡️ Temperature & Humidity

Mare's Tail

Temperature: 10-25°C

Humidity: 50-70%

Mastic Tree

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Mare's Tail

Mare's Tail

Equisetum arvense
Care: Expert Time: 30 minutes weekly (due to aggressive spreading) Beginner: No

Experienced gardeners looking for a unique plant for a specific outdoor environment, understanding its invasive potential and toxicity.

✅ Choose This Plant If...

  • You want a unique, prehistoric-looking plant for a bog garden or water feature.
  • You have a very wet area where other plants struggle to grow.
  • You are interested in the historical uses of plants and their connection to ancient ecosystems.
  • You are prepared to manage its aggressive spreading habit.
  • You have a secure outdoor location where pets and livestock cannot access it.

❌ Skip This Plant If...

  • You have pets or livestock that might ingest the plant.
  • You are looking for a low-maintenance plant.
  • You want a plant that stays contained and doesn't spread aggressively.
  • You are looking for an indoor plant.
  • You are a beginner gardener.
📍 Ideal Location: Outdoor bog garden, water feature, or consistently moist area with full sun to partial shade
🎨 Style: Naturalistic, Wild, Prehistoric
🏠 Apartment Friendly: No
⚠️ Toxic to horses, cats, and dogs. Contains thiaminase, which can lead to thiamine deficiency. Symptoms include incoordination, weakness, and seizures. All parts of the plant are toxic.
Mastic Tree

Mastic Tree

Pistacia lentiscus
Care: Expert Time: 30 minutes weekly (primarily watering and checking for pests) Beginner: No

Gardeners in Mediterranean climates looking for a drought-tolerant ornamental shrub.

✅ Choose This Plant If...

  • You live in a Mediterranean climate and want a drought-tolerant shrub.
  • You are interested in harvesting mastic resin (though indoor growing makes this difficult).
  • You want an evergreen plant with aromatic foliage.
  • You have a sunny outdoor space with well-draining soil.
  • You are an experienced gardener willing to provide the specific care this plant needs.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You lack a sunny outdoor space.
  • You are a beginner gardener.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny patio or garden in a Mediterranean climate. A sunroom or greenhouse if attempting indoor cultivation.
🎨 Style: Mediterranean, Natural, Rustic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pistacia species are not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Mare's Tail has fast growth, while Mastic Tree grows slow.

💡 Pro Tips For Comparing These Plants

Mare's Tail Care Tips

Mare's Tail is primarily an outdoor plant that requires consistently moist soil and ample sunlight. Its aggressive spreading habit makes it challenging to contain in a garden setting. It is not suitable for indoor cultivation due to its specific environmental needs and invasive nature. Toxicity to pets is a significant concern.

  • Use physical barriers to contain the spread of rhizomes.
  • Ensure adequate drainage to prevent root rot.
  • Monitor for signs of thiamine deficiency in animals if they have access to the plant.
  • Wear gloves when handling the plant to avoid skin irritation from the silica content.
  • Consider growing it in a container sunk into the ground to control its spread.
❄️ Winter: The plant goes dormant in winter. Reduce watering but keep the soil slightly moist. Remove any dead or decaying stems.
☀️ Summer: Ensure adequate moisture during the summer months. Provide some afternoon shade in hotter climates to prevent the stems from drying out.

Mastic Tree Care Tips

Mastic trees are best suited for outdoor environments. Growing them indoors is challenging due to their high light requirements and need for well-drained soil. They require careful watering and fertilization to thrive in containers. Providing adequate ventilation is also crucial.

  • Ensure excellent drainage to prevent root rot.
  • Provide full sun for optimal growth and resin production.
  • Protect from frost in colder climates.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Fertilize sparingly to avoid nutrient imbalances.
❄️ Winter: Reduce watering significantly during the winter months. Protect from frost if grown in a container. Avoid fertilizing during dormancy.
☀️ Summer: Increase watering during the summer months, especially during hot and dry periods. Provide some afternoon shade in extremely hot climates. Fertilize regularly during the growing season.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mare's Tail

Common Issues: Aggressive spreading, thiamine deficiency in animals if ingested, fungal diseases in overly wet conditions, nutrient deficiencies in poor soils
Solutions: Use barriers to contain spread; ensure pets do not have access to the plant; improve drainage and air circulation to prevent fungal diseases; amend soil with compost or fertilizer to correct nutrient deficiencies

Mastic Tree

Common Issues: Root rot, scale insects, nutrient deficiencies
Solutions: Ensure well-draining soil and avoid overwatering to prevent root rot. Treat scale insects with horticultural oil or insecticidal soap. Address nutrient deficiencies with a balanced fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Mare's Tail

What are the light requirements for Mare's Tail?

Mare’s Tail requires moderate to high lighting for optimal growth. Insufficient light can lead to leggy growth and a decline in the plant’s health. In aquariums, provide at least 8-10 hours of light per day using fluorescent or LED aquarium lights. If growing Mare’s Tail outdoors in a pond, ensure it receives several hours of direct sunlight each day, but avoid excessive exposure to intense midday sun, which can scorch the leaves. Adjust the lighting intensity and duration based on the plant’s response. Watch for signs of etiolation (stretching towards the light) and adjust lighting accordingly.

How do I care for Mare's Tail?

Mare’s Tail thrives in aquatic or semi-aquatic environments. For submerged growth, maintain a water temperature between 60-75°F (15-24°C). Provide moderate to high lighting to encourage healthy growth. Ensure the water is clean and well-oxygenated, performing regular water changes (25-50% weekly) to remove accumulated nitrates and maintain water quality. Fertilize sparingly with a liquid fertilizer specifically formulated for aquatic plants, following the manufacturer’s instructions. If grown in a semi-aquatic setup, keep the roots consistently moist. Trim any dead or decaying foliage to prevent the spread of disease. Monitor for algae growth and address as needed with appropriate algaecides or by manually removing the algae.

How do I propagate Mare's Tail?

Mare’s Tail is easily propagated through cuttings.

Mastic Tree

What are the light requirements for Mastic Tree?

Mastic Trees thrive in bright, indirect light. Insufficient light can lead to leggy growth and reduced foliage density. A location near a south- or west-facing window, filtered by a sheer curtain, provides the ideal light conditions. If you don’t have access to adequate natural light, consider supplementing with a grow light. Rotate your plant regularly to ensure even light exposure on all sides. Avoid placing your Mastic Tree in direct sunlight, especially during the hottest part of the day, as this can scorch the leaves.

How do I care for Mastic Tree?

To ensure your Mastic Tree thrives indoors, provide it with bright, indirect light. A south- or west-facing window is ideal. Water thoroughly when the top inch of soil feels dry to the touch, allowing excess water to drain away. Avoid overwatering, as this can lead to root rot.

How do I propagate Mastic Tree?

Mastic Trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. 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. Cover with a plastic bag to maintain humidity. Roots should develop in 4-6 weeks.

Last updated: April 28, 2026 — Plant care data reviewed and verified by our editorial team.