We just had landscaping completed about 3months ago with pencil holly in the mix. They have survived hot summer but now turning brown. Is this normal? I thought they stayed green all year. Thank you for your help.
Certified GKH Gardening Expert
Typically the most common reason for this happening is a lack of iron. That, or the pH of the soil is too high. You can correct both issues by applying iron sulfate to the area.
Here is an article for more information: https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-yellow-leaves.htm