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 winner at the Colorado State Perennial Trials, this vigorous new Agastache sports an upright, well-branched clumping habit shaped by stiff durable stems and large, fragrant serrated green leaves. A beacon for pollinators and superb in cut arrangements, vibrant deep violet-blue flowers pack spectacular 5 in. tall terminal spikes for months. ‘Blue Boa’ appreciates well-drained soil, wards off deer and tolerates cold weather most effectively when its stems are left standing. (pp#24,050)
Size: 2' 0" – 3' 0" high x 14" – 18" wide.
Hardy to zone 5.
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Other selections in this genus:
- Agastache aurantiaca ‘Apricot Sprite’
- Agastache aurantiaca ‘Apricot Sunrise’
- Agastache aurantiaca ‘Coronado TM’
- Agastache aurantiaca ‘Tango’
- Agastache x ‘Black Adder’
- Agastache ‘Blue Blazes’
- 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’