An item doesn’t have to be expensive to be best in class; slate plant markers from Prince Jardinier can be used over and over again if you write on them with a white Chinagraph pencil:

Above: A set of 10 Etiquette slate plant labels, each measuring 9.5 by 7 centimeters,  is €4 from Prince Jardinier.

Above: Photograph by Matthew Williams.

A pack of 12 Chinagraph Marking Pencils is $12.97 from Wolff’s Pencil via Amazon.

For more plant labels, see 10 Easy Pieces: Herb Markers and Trend Alert: Bamboo Tools for Gardeners.