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Anise Hyssop
Agastache foeniculum

a.k.a. Fragrant Hyssop

One of the more ornamental and larger of our native mints. Giant hyssop grows well in gardens and produces excellent cut flowers. Will work well in shallow rain gardens and upland buffers. It self-seeds readily and may spread in gardens.

USDA symbol: AGFO

General Information

Plant TypeForb
Height4 feet
Light ExposureSun, Part Sun
Soil MoistureDry
Bloom ColorPurple
Anise Hyssop (Anise Hyssop<div><em class="small">Agastache foeniculum</em></div>)
Photo credit: Ecoscapes (Click to enlarge)


Flooding / Inundation ToleranceModerate
General Resilience7
Salt ToleranceMedium
Stress ToleranceGeneral Disturbance

Pollinator Value: Very High

Bloom MonthsJuly to September
Larval Host ofMoths
Specific Pollinators HostedLintneria eremitus
Pollinator BenefitInsect Pollinated, Provides Nectar, Stem Nesting

Project Planning

Project TypeBoulevard, Rain Garden, Sandy or Engineered Soils, Shoreline Buffer, Upland Buffer
Coefficient of Conservatism5
Herbivore SensitivityLow
Rate of SpreadSlow
Soil StabilizationDeep
Vegetative ReproductionClonal


CountyAitkin, Anoka, Becker, Beltrami, Benton, Big Stone, Blue Earth, Brown, Carlton, Carver, Cass, Chippewa, Chisago, Clay, Clearwater, Cook, Cottonwood, Crow Wing, Dakota, Dodge, Douglas, Goodhue, Grant, Hennepin, Hubbard, Isanti, Itasca, Kandiyohi, Kittson, Koochiching, Lake, Lake of the Woods, Le Sueur, Mahnomen, Marshall, Meeker, Mille Lacs, Morrison, Nicollet, Nobles, Norman, Otter Tail, Pennington, Pine, Pipestone, Polk, Pope, Ramsey, Roseau, Sherburne, St. Louis, Stearns, Todd, Wadena, Washington, Winona, Wright
EcoregionDriftless Area, Lake Agassiz Plain, North Central Hardwood Forests, Northern Glaciated Plains, Northern Lakes and Forests, Northern Minnesota Wetlands, Western Cornbelt Plains
Approximate Eco ProvinceEastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland, Tallgrass Aspen Parklands