I need some HELP! I have a nice row of these shrubs in front of my house. When I bought my house I noticed that one shrub had died. Now, 2 years later the one next to it is half brown and half green. The part that is brown (dying) is toward the house, the green (live) part faces out. What could be causing this? I am not a green-thumb so I'd appreciate any info on WHY this is happening and what I can do to halt the process.
Here's a good link to read. There are a lot of possibilities and it's hard to say without more details on exactly what's happening. Is the bark sloughing off? Does the soil drain well? Is it planted in full sun?
The fact that your boxwood is dying on the house side makes me suspicious of alkaline leaching from your foundation. Do you have a concrete or block foundation that the shrubs are planted near? If so this can ocassionally cause an alkaline soil condition which may need correcting. A soil PH will tell,see a good garden center (not a big box store) or better yet a county cooperative horticulture agent.they will be able to advise you.