Christmas tree pests and weeds Douglas fir, grand fir, white fir and California red fir on Christmas trees in Santa Clara County. Camellias imported from California to British Columbia in 2003 and early 2004 caused a significant SOD scare in the horticultural and Christmas tree industries. The detection of "P. ramorum" led to plant recalls in Canada, and a series of steps meant to quarantine the disease before it spread. The 2003–2004 SOD scare extended to Washington and Oregon nurseries and farms. Douglas-firs are vulnerable to the two plant pathogens that cause Rhabdocline needlecast, "Rhabdocline pseudotsugae", and "Rhabdocline weirii". "R. weirii" affects only Douglas-fir trees.
Tree of Life (craft) luxurious pieces began to be produced. This type of work is typified by the tree of life, especially those that are not religious in function. These non-religious trees have themes such as death or spring. The construction of clay tree sculptures with the Biblical theme of the Garden of Eden began in Izucar de Matamoros in Puebla State and spread to other areas, particularly to Metepec, Mexico State, which distinguished their trees by painting them in bright colors. The tree sculptures have become emblematic of this municipality, and are part of a clay sculpture tradition found only here. Other common