Sage and lavender are used extensively in perennial borders but there is another, hyssop, that deserves more attention than it currently receives.
Plants that have flower spikes are useful as they provide vertical interest both in the gardens and in a vase.
The information is timeless, so they make good reading for anyone who loves flowers.
Many years ago a friend left a start of this mum on my front porch, and grateful for her generosity I have passed it along to nearly every gardener I know.
Make sure you follow certain steps so that your cut flowers last in your home until the end of winter.