One long-term challenge with using bricks or concrete blocks to construct raised garden beds is that these materials tend to shift over time due to the natural freezing and thawing cycles of soils.

For this reason, we never recommend that gardeners utilize scavenged or repurposed lumber for raised-bed construction. Likewise, used railroad ties should never be used to construct garden beds for ...

Likewise, used railroad ties should never be used to construct garden beds for food crops. Different types of stone or ...

Visit BBC Webwise for full instructions Joe's guide to constructing a raised bed using a railway sleeper ... Now use the ready mixed concrete to cement the posts in. The reason for this is ...