How many years do raised beds last?

The lifespan of raised beds can vary depending on various factors such as the materials used, climate conditions, and maintenance. Here are some general guidelines:

1. Wooden Raised Beds: Typically, wooden raised beds can last anywhere from 5 to 15 years or more. The type of wood, treatment, and thickness will affect their longevity. Cedar and redwood are known for their natural resistance to decay, making them popular choices for longer-lasting beds.
2. Metal Raised Beds: Metal beds, such as those made from galvanized steel or aluminum, can have a longer lifespan. They are generally more durable and can last for decades. However, they may be prone to rust over time.
3. Concrete or Stone Raised Beds: These materials are very durable and can last for many years, often several decades. They are resistant to decay and weathering but can be more expensive and heavier.
4. Plastic or Composite Raised Beds: These beds are often durable and resistant to decay. They can last for many years, with some high-quality options lasting over a decade.

Proper maintenance, such as treating wooden beds with protective coatings and ensuring good drainage, can extend the lifespan of raised beds. Additionally, local climate conditions play a role, as harsh weather can impact the longevity of materials.