Planted six Japanese hollies one year ago. Three are thriving and three are struggling. Not sure what to do.
Browning Dry Leaves on Japanese Holly
Certified GKH Gardening Expert
Depending on the cultivator, Japanese Holly can struggle a bit in a Northern climate.
Prune away the dead material.
Inspect your plants for any sign of insects or fungus, and treat with Neem Oil is you find the need.
The link below will help you refresh yourself with soil, watering and fertilizer schedule.