Mastic Tree
Pistacia lentiscus identification, care, and maintenance in the Phoenix metro.
About the Mastic Tree
The Mastic Tree (Pistacia lentiscus) is a small evergreen tree or shrub, hardy in USDA zones 9b to 10a, native to the Mediterranean region. It is a popular ornamental valued for its resin, which is used to make products including chewing gum, medicine, and cosmetics, and it requires full sun and well-draining soil. Found across Scottsdale, Paradise Valley, Phoenix, and throughout the Valley's established residential neighborhoods.
- Scientific Name
- Pistacia lentiscus
- Category
- Shade Tree
- USDA Zones
- 9b-10a
Growing Conditions in Arizona
Mastic Tree performs best in full sun exposure, which is abundant in the Phoenix metro. Most Valley soils are alkaline (pH 7.5-8.5) with caliche layers that restrict drainage and root growth. Many species need iron supplements to prevent chlorosis. A. No, Mastic Tree is an outdoor plant that requires full sun and well-draining soil. Municipal water in the Phoenix area is hard and alkaline. Deep watering on an infrequent schedule mimics natural desert rainfall patterns and encourages deep root development.
Mastic Tree Care Guide
There is no single best month to prune most species in Arizona, so we time the work to the tree and the goal. Avoid heavy pruning in summer heat, which can cause sunscald. For Mastic Tree, structural pruning in the first 5 years establishes good branch architecture. Mature trees need deadwood removal and crown thinning every 2-3 years. Monsoon season (July-September) brings sudden high winds and heavy rain. Trees with dense canopies or shallow roots are vulnerable to blowover. Crown thinning before monsoon season reduces wind resistance. Mastic Tree, also known as Pistacia lentiscus, is a small evergreen tree or shrub that is native to the Mediterranean region. It is a popular ornamental plant that is commonly grown for its resin, which is used to make a variety of products including chewing gum, medicine, and cosmetics. Our pruning and care recommendations follow ISA and ANSI A300 standards.
Common Problems & Diseases
In the Phoenix metro, Mastic Tree can be affected by heat stress during extreme summer temperatures, and iron chlorosis from our alkaline soil. Our soil injection service can address nutrient deficiencies before they become serious. Watch for signs of stress after monsoon storms, high winds can cause structural damage that needs professional attention.
Tree Services for Mastic Tree
Where Mastic Tree Grows in the Valley
Frequently Asked Questions
When is the best time to prune a Mastic Tree in Arizona?addremove
We recommend pruning Mastic Tree trees when it best serves the tree rather than on a fixed calendar date. We prune to clear deadwood, improve structure, and reduce wind load before monsoon season, and we avoid heavy cuts during the peak summer heat, when fresh wounds can sunscald the bark. Happy Tree Guys trims year-round and will recommend the right timing for your specific tree during a free estimate.
How much water does a Mastic Tree need in the Phoenix area?addremove
A newly planted Mastic Tree needs deep watering 2-3 times per week during Arizona summers, tapering to weekly in winter. Established trees (3+ years) are more drought-tolerant but still benefit from deep watering every 7-14 days during the hottest months. Water slowly at the drip line, not at the trunk, to encourage deep root development. Our arborists can set up an efficient watering schedule specific to your landscape.
What are common problems with Mastic Tree trees in Arizona?addremove
The most common issues we see with Mastic Tree in the Phoenix metro are iron chlorosis (yellowing leaves from alkaline soil), heat stress during summer, and wind damage during monsoon season. Our soil injection service corrects nutrient deficiencies, and crown thinning reduces monsoon vulnerability. Call Happy Tree Guys at 602-806-9078 if you notice any signs of decline.
Related Tree Species
Questions About Your Mastic Tree?
Our ISA-certified arborists can assess, prune, or treat your tree. Call for a free estimate.