We were growing tired of trying to keep the grass encroaching on our blueberries, so we decided we needed to surround them with some sort of barrier. Unfortunately, most of the barriers sold at big box stores were over-priced and not the most fun to install.
In our neck of the woods, barrels like the one below can be purchased for about $8 used.
We had the idea of taking a barrel, cutting off the top and bottom, and then cutting the barrel into slices horizontally. Doing so, we were able to get about 6-8 slices, leaving us planting rings that were roughly 3-4″ tall and about 24″ in diameter. The size was just right for surrounding our blueberries.
We then lightly tapped these into the ground and mulched only within the planter ring. The rest of the patch we filled with left-over decorative gravel from our kitchen garden bed project.
The results looked like this:
Here is a slightly better angle: