What causes cedar trees to turn yellow?

In certain conditions, needle bronzing is normal. Some cedar species' foliage turns blue or gold in winter as a response to frigid temperatures. Road salt can cause foliage to brown so keep the tree's area clear of ice melt and other chemicals. read more

In certain conditions, needle bronzing is normal. Some cedar species' foliage turns blue or gold in winter as a response to frigid temperatures. Road salt can cause foliage to brown so keep the tree's area clear of ice melt and other chemicals. Foliage browning in summer may be the result of water stress and herbicide exposure. read more

A number of things can cause a cedar to yellow. Winter sun burn, lack of nutrients in the soil, insects like spider mites, freeze damage, root rot, as well as a natural tendency to brown the interior. read more

There's no cure, but removing an affected tree can help prevent the spread of root rot to nearby trees. Other types of fungus cause blights, which kill the foliage, turn it brown and cause it to drop from the branches. Treating your cedar with a fungicide can help control the disease. read more

In certain conditions, needle bronzing is normal. Some cedar species' foliage turns blue or gold in winter as a response to frigid temperatures. Road salt can cause foliage to brown so keep the tree's area clear of ice melt and other chemicals. read more

There are a few pests that can cause big problems for your cedar. Spider mites, for example, eat the foliage and spin small webs across branches to hold their eggs. This can cause the branches to turn yellow or brown. Check the bottoms of the foliage for the tiny mites and treat with a miticide. read more