If you were to imagine an ideal perennial, would it have dense spikes of tubular flowers that bloom from June to frost and don't require deadheading? Would it perform in the heat of summer and even ...

For a long time now, one of my most favorite long-blooming perennials has been anise hyssop. It's a versatile perennial that, in my opinion, no garden should be without! Known botanically as Agastache ...