Blue Boa Agastache NoCA they are also hardy above

they are also hardy above zone 8 and can be planted in the ground

and Front-of-Border Planting

A Deer-Resistant Choice for Sunny Borders

Patriot Hosta works beautifully as a shade border plant

Blue Boa Agastache NoCA they are also hardy aboveBlue Boa Agastache Delivers Big Color on Upright Flower Spikes Blue Boa Agastache is a long blooming perennial grown for its large violet blue flower spikes, upright habit, and fragrant green foliage. Also known as Agastache Blue Boa, Blue Boa Hummingbird Mint, or Blue Boa Giant Hyssop, this colorful perennial brings strong vertical flower power to sunny borders from summer into fall. The blooms are larger and showier than many softer blue Agastache