Answer: This plant is considered an evergreen, this simply means it holds its foliage year round. The cultivar Rainbow usually has a color variation in the foliage rather than plain green, hence the name. The new growth on Leucothoes tends to be coppery, on Rainbow it usually shows a mottling of pink or white also. Some varieties of Leucothoe naturally turn purplish in the fall. But I would not call it brown. There are some disease problems that could cause it to discolor, and poor rooting or lack of moisture could also cause foliage browning. Colors are difficult to describe long distance. If you are concerned, I would suggest you consult with your county extension and make sure what you are seeing is normal.
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