Yes, cedar wood will rot underground after a long period of time. There are special treatments that can be used to help the wood last longer.
Western red cedar is a natural rot resistant soft wood.
Lightweight,dimensionally stable and rot resistant
Cedar doesn't rot because it is water resistant and if it isn't sealed it will last you pretty long. It can last up to 8 years if not sealed *After "8 years" then what? Cedar rots like any other wood if you wait long enough. How long depends on factors such as how much water can get trapped where two cedar parts touch or how severely it is constantly dried out (dry rot).
PRESSURE TREATED WOOD, CEDAR, REDWOOD
Petrified wood (already turned to stone) cannot rot. All other woods CAN rot, but treated lumber, cedar, and locust will resist rotting a long time.
Redwood, cypress, and cedar are termite and rot resistant. These are softwoods and may not last as long as hardwoods.
Cedar trees were highly valuable to the Phoenicians in several ways. They used cedar wood for constructing ships, as its durability and resistance to rot made it ideal for maritime trade. Cedar was also used in building houses, temples, and palaces. Additionally, the Phoenicians extracted resin from cedar trees, which served as a waterproofing material for their ships.
Redwood is a rich brown chocolate color, is very light and very stable .. as well as rot resistant. Cedar is also a very good choice when looking for a light stable wood ...many cedar trees have dark red and brown tones.
Cedar has natural oils that protect it from insects and rot, it's enemy is moisture and UV. Moisture will make the boards crack and warp, the sun will help with the cracking and will turn the boards grey like drift wood. On a fence grey and cracking are not as much of a problem as on a deck, but if you want to keep your new Cedar fence looking new, paint, dip, or spray the boards with a sealer that has a UV protectorate.
Cedar is hard wood. It is from angiosperm trees.
Rot an der Rot Abbey was created in 1126.
red = rot in German Rot, as in "rot in hell" = faulen, vergammeln