How to propagate rosemary in water (plus another simple method to grow rosemary from cuttings)

Rosemary is probably the most popular perennial herb amongst growers. You know you’ll find people grow on rosemary, not even for food. Just as an ornamental, you know much like lavender. Its got these very cool purple flowers that come out fairly early in the spring, it’s perennial, so it doesn’t die back.