Name: Joy Wooldridge Kalama, Wa. (Zone 8b) Sunset Zone 6, Heat zone 4,
I've done this with the tags or ribbon the plants were mailed with. I tie them around a root or 2 before I plant. I've dug them up to move or divide them a year or more later and was able to still read them.
Joy
No two gardens are the same. No two days are the same in one garden. ~Hugh Johnson