I never thought about using wine bottles for borders. I'm going to try this. One of my favorite things to recycle is newspaper I till up weeds grass in an are I want to put plants or flowers in. Then I plant them and put newspaper all around the place that I tilled. Also I will till an area put newspaper down then much then add pots with plants and no weeds. I've had it last for years!!!

interesting this came up again. Years ago I gather used bricks to creat a four square garden. The bricks were the borders and pathways, meaning I didn't need to compact the dirt when I weeded, planted and harvested. The beds were designed so I could reach into the middle from any side. I put the bricks immediately on the dirt, but weedbarrier would have been even better. This is a good older form for a veg garden and allows easy rotation of crops. Some crops should not be planted in the same space year after year, so a 4 year rotation was possible. Happy gardening.

I have some concerns about glass. Bricks, flagstones (broken ones too small for a walk), sea shells - all sound good. Tires - no thank you. Glass can be broken by the lawn mower, and if the glass is thrown, it is a very serious hazard. Personally, I like the old roof tiles and bricks options the best.

I would love to see some pictures of bottles being used as a border..

Everyone in my area is replacing tile roofs and the old spare tiles go into bulk cube side pick up. Roof tiles are the perfect size to create raised beds. I have also used glass blocks from the curb side pick up collections.