Goatsrue vs Mastic Tree Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Goatsrue
Galega officinalis
Goatsrue (Galega officinalis) is a perennial herbaceous plant known for its clusters of pea-like flowers, typically lavender, pink, or white. It grows to a height of 1-1.5 meters. Primarily an outdoor plant, it is cultivated for forage and, historically, for medicinal purposes. It is not typically grown indoors due to its size, light requirements, and potential for aggressive spread via rhizomes. People might grow it outdoors for its attractive flowers and as a nitrogen-fixing plant.
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.
Quick Plant Comparison
| Feature | Goatsrue | Mastic Tree |
|---|---|---|
| Light | Full sun | Full sun to partial shade |
| Watering | Every 1-2 weeks, depending on weather and soil drainage | Every 1-2 weeks, depending on environmental conditions |
| Humidity | 30-50% | 40-60% |
| Temperature | 15-25°C | 15-25°C |
| Care Level | Expert | Expert |
| Growth Rate | Fast | Slow |
| Max Height | N/A (Outdoor plant, not suitable for indoor growing) | 1-2 meters (indoors, in containers) |
| Pet Safety | ❌ Toxic To Pets | ✅ Safe |
| Soil | Well-drained loamy soil | Well-drained sandy or loamy soil |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly (including weeding and pruning) | 30 minutes weekly (primarily watering and checking for pests) |
🔬 Botanical Information — Comparing These Plants
Goatsrue
| Scientific Name | Galega officinalis |
|---|---|
| Family | Fabaceae |
| Native To | Europe and Western Asia |
| Also Known As | Goatsrue, Professor-weed, Goat's Rue |
| Leaves | Pinnately compound leaves with 5-9 leaflets. Leaflets are oblong to lanceolate, smooth-edged, and bluish-green in color. |
| Flowers | Flowers are pea-like, arranged in racemes. Colors range from lavender to pink to white. Flowering occurs in summer. |
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
Goatsrue
Mastic Tree
🌱 Propagation — Comparing Plant Growth
Goatsrue
Methods: Seed, Division, Root cuttings
Difficulty: Easy
Tips: Sow seeds in spring after scarification. Divide established plants in spring or fall. Root cuttings should be taken in late fall or early spring.
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
Goatsrue
Goatsrue's ability to fix nitrogen makes it valuable for improving soil fertility. Its potential invasiveness requires careful management.
- ✓ Nitrogen fixation improves soil quality.
- ✓ Attractive flowers enhance garden aesthetics.
- ✓ Attracts pollinators, supporting local ecosystems.
- ✓ Can be used as green manure.
- ✓ Provides forage for livestock (with caution due to toxicity).
- ⚠️ 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
Goatsrue
Mastic Tree
🌞 Light Requirements
Goatsrue
Full sun
Low light tolerant: ❌ No
Mastic Tree
Full sun to partial shade
Low light tolerant: ❌ No
💧 Watering Needs
Goatsrue
Water deeply when the top inch of soil is dry. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves.
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
Goatsrue
Temperature: 15-25°C
Humidity: 30-50%
Mastic Tree
Temperature: 15-25°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Goatsrue
Galega officinalisOutdoor gardeners looking for a nitrogen-fixing plant with attractive flowers, who are aware of its potential invasiveness.
✅ Choose This Plant If...
- You want a nitrogen-fixing plant for your garden.
- You appreciate its attractive flowers.
- You have a large outdoor space where it can spread without causing problems.
- You are looking for a plant that attracts pollinators.
- You are experienced with managing potentially invasive species.
❌ Skip This Plant If...
- You have limited space in your garden.
- You are looking for an indoor plant.
- You have pets that might ingest it.
- You live in an area where it is considered an invasive species.
- You prefer low-maintenance plants.
Mastic Tree
Pistacia lentiscusGardeners 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.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Goatsrue needs full sun, while Mastic Tree prefers full sun to partial shade.
Goatsrue has fast growth, while Mastic Tree grows slow.
💡 Pro Tips For Comparing These Plants
Goatsrue Care Tips
Goatsrue is primarily an outdoor plant and is not suitable for indoor cultivation. It requires full sun, well-drained soil, and can become invasive due to its rhizomatous growth. Indoor cultivation is extremely challenging due to light and space requirements.
- Monitor for signs of invasiveness and control spread promptly.
- Provide full sun for optimal flowering.
- Ensure well-drained soil to prevent root rot.
- Fertilize in spring to promote healthy growth.
- Prune after flowering to prevent unwanted seed production.
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.
⚠️ Common Problems & Solutions — Plant Care Comparison
Goatsrue
Mastic Tree
❓ Frequently Asked Questions — Comparing These Plants
Goatsrue
What are the light requirements for Goatsrue?
Goatsrue flourishes in full sun, requiring at least six hours of direct sunlight each day for optimal growth and abundant flowering. While it can tolerate partial shade, insufficient light can lead to leggy growth, reduced blooming, and weaker stems. A location with morning sun and afternoon shade is ideal in hotter climates to prevent scorching of the foliage.
How do I care for Goatsrue?
Goatsrue thrives in full sun to partial shade. Provide at least six hours of sunlight daily for optimal blooming. Water regularly, keeping the soil consistently moist but not waterlogged, especially during dry periods. Well-draining soil is essential to prevent root rot. Fertilize in spring with a balanced, slow-release fertilizer to promote healthy growth and abundant flowering.
How do I propagate Goatsrue?
Goatsrue can be propagated through division or stem 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: May 4, 2026 — Plant care data reviewed and verified by our editorial team.