Black Adder Hyssop
Lovers of heat, these tough and drought-resistant Mint family relatives guarantee terminal spikes adorned with brightly colored, tubular flowers just about all summer long. Agastaches are easily grown in well-drained soil, and will bloom more profusely, over an even longer period of time, if the flowering stems are cut back midseason.
A nectar-rich magnet for hummingbirds and butterflies, long racemes of vivid blue-violet flowers unfurl from darker purple buds. Medium green foliage and straight stems support the bottlebrush-like blooms from midsummer until frost. This splendid new introduction between Agastache rugosum and Agastache foeniculum brings late season oomph and a vertical element to the mixed border or to a favored pot, while wafting a delicious licorice aroma and resisting those pesky deer.
Size: 2' 0" – 3' 0" high x 18" wide.
Hardy to zone 6.
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Other selections in this genus:
- Agastache aurantiaca ‘Apricot Sprite’
- Agastache aurantiaca ‘Apricot Sunrise’
- Agastache aurantiaca ‘Coronado TM’
- Agastache ‘Blue Blazes’
- Agastache ‘Blue Boa’
- Agastache ‘Bolero’
- Agastache ‘Firebird’
- Agastache mexicana ‘Red Fortune’
- Agastache mexicana ‘Sangria’
- Agastache pallida x gosa ‘Globetrotter’
- Agastache ‘Pink Panther’
- Agastache ‘Purple Haze’
- Agastache ‘Rosy Giant’
- Agastache rugosa var. f. albiflora ‘Alabaster’