Juniper branches can turn brown due to a variety of reasons, such as pest infestations, fungal diseases, environmental stress, or improper pruning. Here are some tips to prevent juniper branches from turning brown:

Water the juniper plant regularly, making sure the soil is moist but not waterlogged. Junipers are drought-tolerant, but they still need some moisture to thrive.

Ensure that the juniper plant is getting enough sunlight. Junipers prefer full sun to partial shade.

Avoid over-fertilizing the juniper plant, as this can lead to excessive growth and weaken the plant’s defenses against diseases and pests.

Prune the juniper plant only in the spring or early summer, and avoid cutting too close to the trunk or main stem. Also, make sure to sterilize your pruning tools before use.

Keep an eye out for signs of pests or diseases, such as discoloration, spots, or webs. Treat any issues promptly with appropriate pesticides or fungicides.

By following these tips, you can help prevent juniper branches from turning brown and keep your plant healthy and vibrant

How to care for a Juniper bonsai tree