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 Agastache Agastache 'Black Adder' Hyssop Zone: 5-9 Sun HT: 2-3' Agastache foeniculum 'Blue Fortune' Anise Hyssop Zone: 4-9 Sun HT: 2-3'