Arum vs Mastic Tree Plant Comparison

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

Arum

Arum

Arum italicum

VS
Mastic Tree

Mastic Tree

Pistacia lentiscus

Arum

Arum

Arum italicum

Arum italicum is a tuberous herbaceous perennial known for its striking foliage and distinctive spadix and spathe flower structure. It emerges in the fall with arrow-shaped leaves, often beautifully veined in white or cream. The plant goes dormant in the summer. It is primarily an outdoor plant, thriving in woodland conditions. While it can be grown indoors, it requires very specific conditions to mimic its natural habitat. People grow it for its attractive foliage and unique flower structure.

Araceae Mediterranean region, from Portugal and Morocco to Turkey and Crimea
✨ Features: Attractive foliage with distinctive veining, unique flower structure.
📖 Read Complete Arum 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 Arum Mastic Tree
Light Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally a north-facing window or under grow lights. Full sun to partial shade
Watering Every 10-14 days during growing season, much less frequently during dormancy. Every 1-2 weeks, depending on environmental conditions
Humidity 40-60% 40-60%
Temperature 10-21°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Slow
Max Height Indoors: 30-60 cm 1-2 meters (indoors, in containers)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, humus-rich soil. A mix of potting soil, peat moss, and perlite is suitable. Well-drained sandy or loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during growing season, 5 minutes during dormancy. 30 minutes weekly (primarily watering and checking for pests)

🔬 Botanical Information — Comparing These Plants

Arum

Scientific Name Arum italicum
Family Araceae
Native To Mediterranean region, from Portugal and Morocco to Turkey and Crimea
Also Known As Italian Arum, Italian Lords-and-Ladies, Painted Arum
Leaves The leaves are arrow-shaped, typically 20-30 cm long, and often feature prominent white or cream-colored veins. The texture is smooth and slightly waxy.
Flowers Arum italicum produces a spadix and spathe flower structure. The spathe is a creamy-white or greenish-white hood-like structure that surrounds the spadix, a fleshy spike covered in tiny flowers. It rarely flowers indoors.

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

Arum

Height Indoors: 30-60 cm
Spread 30-45 cm, spreads via tubers
Growth Rate Moderate
Growth Pattern Arum italicum grows from a tuber, producing arrow-shaped leaves in the fall. It flowers in the spring, followed by the development of bright red berries in the fall. The plant goes dormant in the summer.

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

Arum

Methods: Division of tubers, Seed

Difficulty: Moderate

Tips: Divide tubers in late summer or early fall. Sow seeds in the fall after the berries have ripened. Ensure good drainage when planting.

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

Arum

Arum italicum is unique for its winter foliage, which appears after most plants have lost their leaves. Its distinctive spadix and spathe flower structure also set it apart from other plants.

  • ✓ Unique and striking appearance.
  • ✓ Adds visual interest to shady areas.
  • ✓ Can be a conversation starter.
  • ✓ Provides a touch of the Mediterranean landscape.
  • ✓ Offers a seasonal display of foliage and berries.
  • ⚠️ 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

Arum

Repotting Repot every 2-3 years in late summer or early fall when the plant is dormant.
Pruning Remove spent flower stalks and yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season.
Seasonal Care Fall: Active growth begins, increase watering and fertilizing. Winter: Continue watering as needed. Spring: Flowering occurs. Summer: Dormancy, reduce watering significantly.

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

Arum

Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally a north-facing window or under grow lights.

Low light tolerant: ❌ No

Mastic Tree

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Arum

Water thoroughly when the top inch of soil is dry during the growing season (fall to spring). Reduce watering significantly during dormancy (summer). Overwatering can lead to tuber rot. Underwatering will cause the leaves to wilt and 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

Arum

Temperature: 10-21°C

Humidity: 40-60%

Mastic Tree

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Arum

Arum

Arum italicum
Care: Expert Time: 15 minutes weekly during growing season, 5 minutes during dormancy. Beginner: No

Experienced gardeners who want a unique plant and can provide the specific conditions it needs.

✅ Choose This Plant If...

  • You appreciate unique foliage and a striking plant structure.
  • You can provide a cool, dormant period in the summer.
  • You are an experienced gardener comfortable with challenging plants.
  • You have a shady spot in your garden or can mimic those conditions indoors.
  • You are prepared to handle a toxic plant and keep it away from pets and children.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are a beginner gardener.
  • You cannot provide a cool, dormant period.
  • You don't have a bright, indirect light source.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bright, indirect light near a north-facing window. A cool basement or garage during dormancy.
🎨 Style: Woodland, Cottagecore, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, especially the berries and tubers, contain calcium oxalate crystals. These can cause oral irritation, excessive drooling, vomiting, and difficulty swallowing in dogs, cats, and horses. Contact with sap can cause skin irritation.
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

📈

Arum has moderate growth, while Mastic Tree grows slow.

💡 Pro Tips For Comparing These Plants

Arum Care Tips

Arum italicum is primarily an outdoor plant and requires expert care to thrive indoors. It needs specific light, temperature, and dormancy conditions. It is toxic to pets. Indoor cultivation is challenging due to its seasonal growth cycle and need for a cool, dormant period.

  • Provide a cool, dry dormant period in the summer by reducing watering significantly and keeping the plant in a cooler location.
  • Ensure excellent drainage to prevent tuber rot.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Monitor for pests like aphids and spider mites and treat promptly.
  • Wear gloves when handling the plant to avoid skin irritation from the sap.
❄️ Winter: Continue watering as needed, but avoid overwatering. Ensure the plant receives adequate light. Protect from frost if grown outdoors.
☀️ Summer: Reduce watering significantly during dormancy. Keep the plant in a cool, dry location. Avoid direct sunlight.

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

Arum

Common Issues: Tuber rot, Leaf spot, Aphids, Spider mites
Solutions: Tuber rot: Ensure well-draining soil and avoid overwatering. Leaf spot: Improve air circulation and treat with a fungicide. Aphids/Spider mites: Treat with insecticidal soap or neem oil.

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

Arum

What are the light requirements for Arum?

Arum plants thrive best in bright, indirect light. Direct sunlight can scorch the leaves, so avoid placing them in areas with intense midday sun. An east-facing window is often ideal, providing gentle morning light. If you only have south or west-facing windows, filter the light with sheer curtains or blinds. Insufficient light can result in leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. During the darker months, consider supplementing with artificial grow lights to maintain healthy growth. Observe the plant’s foliage; if the leaves appear pale or stretched, it’s a sign that it needs more light.

How do I care for Arum?

Arum plants prefer bright, indirect light but can tolerate some shade. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Reduce watering and fertilization during the dormant period in fall and winter. Maintain moderate humidity, especially indoors. Repot every 1-2 years in spring, using a well-draining potting mix. Prune away any yellowing or dead leaves to encourage healthy growth. Protect from frost as Arum is not cold hardy. Monitor for pests such as aphids or spider mites and treat accordingly. Proper air circulation is essential to prevent fungal diseases.

How do I propagate Arum?

Arum can be propagated through division, stem cuttings, or from bulb offsets (keikis).

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: May 7, 2026 — Plant care data reviewed and verified by our editorial team.