Why Are The Leaves On My Indian Laurel Hedge Turning Yellow?

Question

Planted on hillside with good drainage. Have a drip line that waters 10 minutes a day.

Answer 1

Unfortunately, your photo did not come through. It could be due to several reasons, though.

These symptoms are common with pH imbalances, nutrients deficiencies, or overwatering. Correcting will require you to determine which factor is at play.

Watering will only need to be done as the soil dries completely down to 2 or 3 inches. This may not be daily, depending on the weather at the time.

As far as deficiencies and pH- There are simple tests for that. These articles will help:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm