because redwoods are a reddish-brown color
California picked the redwood or Sequoia sempervirens in 1937 to be the state tree.
the redwood tree
Your cypress tree may be turning brown due to factors such as lack of water, disease, pests, or environmental stress. It is important to properly water and care for your tree to help it recover.
Does the tree need more watering?
Being a plant, the redwood belongs to Plantae.
Your tree may be turning brown due to factors such as lack of water, disease, pests, or environmental stress. It is important to identify the specific cause in order to address the issue and help your tree recover.
The changing of the season and the cold they have to conserve what little food the have. the less food the have the browner they are
The redwood tree.
Redwood
The Coast Redwood (Sequoia sempervirens) is the tallest tree with a measured height of 115.55 m (379.1 ft) in Redwood National Park, California, United States
Sequoia is the scientific name for the redwood tree (Sequoia sempervirens), a tall conifer with reddish wood, although any tree having a reddish wood may be referred to as a redwood.