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Question: I have an oriental arborvitae, and it has developed these brown patches over the last few years. What causes that? MORE: Find past Master Gardener Q&As. The fungus produces spores in ...
Q: I have a row of 12 'Emerald Green' arborvitae planted along the perimeter of my property. This is the third year for them. Up until now, they were doing very well. This year they all put on 6 ...
There are a few serious pests that infest established emerald arborvitae, such as mites and webworms. ... but I have noticed some of the other shrubs are turning brown.
Arborvitae can thin ... There are caterpillars inside these that don't become quite as noticeable until fall when the bags are bigger and turn brown. ... Or buy 'Emerald Green,' which is better at ...
Some cultivars of arborvitae will turn a washed-out brown in winter, though the most ubiquitous ‘Emerald Green’ doesn’t have that characteristic. In those instances, all the foliage will ...
There have been several samples of arborvitae brought in over the past few weeks. In each case, there were brown spots showing up on the shrub. I inspected the samples ...
Dear Mary: Brown branches on arborvitae might be caused by poor planting, poor establishment after planting, winter drying, wet soil, too much shade or a combination of these. Because the plants ...
Emerald green arborvitae (Thuja occidentalis 'Smaragd') is known for its bright emerald green foliage that retains its color year-round. It's ideal for privacy screens because of its pyramid ...