Dark Blue Hyssop is a compact long-blooming perennial with stiffly upright aromatic dark green foliage. Showy spikes of fragrant deep blue to violet flowers bloom from early summer into fall attracting butterflies and hummingbirds. Flowers best in full sun and moist well-drained soils. Drought tolerant.
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Type: |
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Origins: |
N. America |
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Height: |
0.5' - 1' |
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Spread: |
1' - 1.5' |
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Spacing: |
1' |
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USDA Hardiness Zone: |
5 - 10 |
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Culture: |
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Bloom Color: |
Blue/Purple |
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Season of Interest: |
MAINTENANCE NEEDS: Low maintenance. Crown and root rot may occur in poorly drained soils. No serious pests or disease issues but watch for powdery mildew, wilt, and rust.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Naturalized Areas, Foundational Plantings, and Containers.
COMPANION PLANTS: Coneflower, Daylily, Russian Sage
IMAGE: Photo(s) courtesy of TERRA NOVA® Nurseries, Inc., Agastache POQUITO™ ‘Dark Blue’, (2) Photo by Penn State University, Agastache POQUITO™ 'Dark Blue PPAF'
*As plants have ranges in appearance they may not appear as the images shown.
