Agastache foeniculum ‘Blue Fortune’ Anise Hyssop Description A hybrid from Rotterdam with fragrant, lavender-blue flower spikes. This plant seems to bloom forever! Well, at least from July through September. Heat and drought tolerant, not attractive to deer, but attractive to butterflies and hummingbirds. Characteristics Hardiness Zone: 4-9 Light requirements: Sun Height: 2-3' Native: Yes Sizes & Prices Size: 2 Yr $13.98 Other Information All Hyssop Hyssop Agastache 'Black Adder' Zone: 5-9 Sun HT: 2-3' Anise Hyssop Agastache foeniculum 'Blue Fortune' Zone: 4-9 Sun HT: 2-3' Hyssop Hyssopus officinalis Zone: 5 Sun HT: 24"