How to Deal with Unsightly Brown Spots on Ligustrum and Bay Laurel During Las Vegas Summers

August 14, 2023
How to Deal with Unsightly Brown Spots on Ligustrum and Bay Laurel During Las Vegas Summers


As the scorching heat of Las Vegas summers settles in, maintaining the health and appearance of your garden can become quite a challenge. Two commonly grown plants in the region, Ligustrum and Bay Laurel, are known for their lush green foliage and vibrant presence. However, the intense heat and arid conditions can lead to the development of unsightly brown spots on their leaves, compromising the visual appeal of your outdoor space. In this article, we will explore the causes behind these brown spots and provide effective solutions to help you restore the vitality of your Ligustrum and Bay Laurel plants.

Understanding the Culprits:

Heat Stress: Las Vegas summers are notorious for their high temperatures, often exceeding what these plants are naturally accustomed to. Prolonged exposure to intense sunlight and heat can result in leaf scorching, leading to brown spots.

Watering Issues: Both Ligustrum and Bay Laurel prefer consistent moisture, but overwatering or underwatering can stress the plants. Inconsistent watering practices can disrupt the root system's ability to absorb nutrients, causing brown spots to develop.

Pests and Diseases: Spider mites, aphids, and fungal diseases are common threats to these plants. These pests can cause discoloration and spotting on the leaves, negatively impacting their health.

Effective Solutions:

Adjust Watering Practices: Maintain a regular watering schedule to keep the soil consistently moist but not waterlogged. Use a drip irrigation system to ensure water reaches the root zone directly, minimizing foliage wetting that can lead to fungal issues.

Mulching: Apply a layer of organic mulch around the base of the plants. Mulch helps retain soil moisture, regulate temperature, and prevent weed growth, contributing to the overall health of your plants.

Shade and Protection: If possible, provide partial shade during the hottest parts of the day. You can use shade cloth or position the plants strategically to shield them from the harsh midday sun.

Pruning: Regularly prune your Ligustrum and Bay Laurel to remove dead or diseased branches. Proper pruning promotes air circulation and reduces the risk of fungal infections.

Pest Management: Inspect your plants regularly for signs of pests like spider mites and aphids. If infestations are detected, consider using organic insecticidal soap or neem oil to control the population.

Fertilization: Feed your plants with a balanced, slow-release fertilizer during the growing season. Proper nutrition can help strengthen their resistance to stressors.

Fungal Disease Prevention: To prevent fungal diseases, avoid overhead watering, especially in the evening. Watering in the morning allows excess moisture to evaporate throughout the day, reducing the risk of fungal growth.


Maintaining the health and appearance of Ligustrum and Bay Laurel in the intense Las Vegas summers requires a combination of proper care, attention to watering practices, and timely interventions. By understanding the factors that contribute to unsightly brown spots and implementing the solutions outlined in this article, you can ensure that your garden remains a lush and vibrant oasis, even in the face of challenging weather conditions. With the right strategies, your Ligustrum and Bay Laurel plants can thrive and continue to enhance the beauty of your outdoor space.


Contact us

Richard Lusk Construction, Inc.
1980 Festival Plaza Drive, Suite 300
Las Vegas, NV 89135
Richard Lusk Landscape and Design, Inc.
2125 East Howell Avenue, Suites G&H
Anaheim, CA 92806
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