Wax Myrtle

Wax Myrtle is a well-loved evergreen shrub known for its fragrant foliage and graceful, multi-stemmed structure. Growing up to 15 feet tall and wide at maturity, it forms a dense, rounded shape that provides year-round texture and structure. The narrow, glossy green leaves give off a light, pleasant fragrance when touched, adding a subtle sensory feature to your landscape.

• Evergreen shrub
• Moderate growth rate
• Aromatic, glossy green foliage provides year-round color and scent
• Excellent as a screen, backdrop, or focal feature
• Suitable for a range of planting styles, from formal to informal designs

Wax Myrtle thrives in full sun to partial shade and prefers well-drained soils, making it well-adapted to the varied conditions found in North Texas landscapes. Hardy in USDA zones 7 through 10, it’s a strong choice for adding evergreen interest, soft motion, and fragrance to flower beds, borders, or larger mixed plantings.

Maintenance

Wax Myrtle is great at thriving in conditions that challenge most shrubs. This is everything it needs for beautiful growth:

• Watering: Water regularly during the first growing season to establish a deep and extensive root system. Once established, Wax Myrtle is highly drought-tolerant but appreciates occasional deep watering during prolonged dry periods. It also tolerates periodic wetness and even thrives near ponds or coastal areas where saltwater exposure would harm other plants.
• Pruning: Wax Myrtle responds well to pruning and can be shaped into a hedge, screen, or small multi-trunked tree. Prune in late winter or early spring before new growth begins to control size or maintain a natural form. Remove crossing or crowded branches for better airflow. Light trimming throughout the year keeps it dense and neat, while rejuvenation pruning every few years encourages fresh, vigorous growth.
• Fertilizing: In most soils, Wax Myrtle needs little to no fertilization. It naturally fixes nitrogen, allowing it to thrive in nutrient-poor conditions. If growth appears slow, apply a light dose of balanced, slow-release fertilizer in spring. Avoid excessive feeding.
• Mulching: Apply a 2-3 inch layer of mulch around the base to retain moisture, regulate soil temperature, and suppress weeds. Keep mulch a few inches away from the trunk to prevent bark decay. Refresh annually in spring or after pruning to maintain a tidy appearance.
• Winter care: Wax Myrtle is hardy through most Southern and coastal regions. In areas prone to severe freezes, young plants may experience tip burn or partial defoliation, but they recover quickly with warm weather.

Common Issues and How to Take Care of Them

Wax Myrtle is generally pest-free and low-maintenance, but a few minor issues can occur under stress or poor conditions:

• Leaf Drop: Common after transplanting or during drought. Maintain consistent watering until the plant re-establishes.
• Sooty Mold: Black residue caused by sap-feeding insects such as aphids or whiteflies. Rinse leaves and treat insects with insecticidal soap if needed.
• Scale Insects: Small bumps along stems or leaves. Remove by hand or treat with horticultural oil during dormancy.
• Yellowing Leaves: Often due to overwatering or compacted soil. Improve drainage and reduce irrigation frequency.
• Cold Damage: In northern zones, young plants may show browning after frost. Prune lightly in spring to remove damaged growth - the plant will regrow vigorously.
• Sparse Growth: Usually from too much shade. Wax Myrtle performs best in full sun for thick, lush foliage.