If you've ever planted something in your garden--vegetable or otherwise--and then subsequently forget what plant you planted in the spot until it produces fruit/vegetables/flowers, then you might need some plant markers. Luckily the intertubes are replete with ideas for making them. We'll start with simpler options and then work our way into fancy-schmancy territory.
We love paint stir sticks. In this case they are slathered in chalkboard paint and labelled with a china marker. The marker won't wash off in the rain but does