Agastache foeniculum (Pursh) Kuntze
Blue Giant Hyssop, Blue Giant-hyssop, Fragrant Giant Hyssop, Lavender Hyssop, Anise Hyssop
Lamiaceae (Mint Family)
Synonym(s): Agastache anethiodora
USDA Symbol: AGFO
A 2-4 ft. perennial with dense, terminal spikes of small, tubular, bright blue flowers. Leaves are opposite, oval, toothed and whitish beneath give off the scent of anise when bruised. The sturdy, erect blue giant-hyssop is of the most ornamental native mints.
The genus Agastache describes the flower clusters and is derived from two Greek words agan meaning much and stachys meaning ear of grain.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 4 feet tall.
Fruit: 4 nutlets.
Bloom InformationBloom Color: Blue , Purple
Bloom Time: Jun , Jul , Aug , Sep
DistributionUSA: CO , CT , DE , IA , IL , KY , MI , MN , MT , ND , NE , NH , NY , PA , SD , WA , WI , WY
Canada: AB , BC , MB , NB , NT , ON , QC , SK
Native Distribution: N. CO to WI, n. to adjacent Canada
Native Habitat: Dry, open, semi-shaded areas; roadsides
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Moist
Soil Description: Sandy, well-drained soils
BenefitConspicuous Flowers: yes
Fragrant Flowers: yes
Fragrant Foliage: yes
Attracts: Butterflies , Hummingbirds
Nectar Source: yes
Value to Beneficial InsectsSpecial Value to Native Bees
Special Value to Bumble Bees
Special Value to Honey Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationPropagation Material: Clump Division , Seeds
Description: Very easy to start from seed. Divide plant in spring or fall.
Seed Collection: Seed ripens in fall.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Texas Discovery Gardens - Dallas, TX
Natural Biodiversity - Johnstown, PA
Native Seed Network - Corvallis, OR
BibliographyBibref 928 - 100 easy-to-grow native plants for Canadian gardens (2005) Johnson, L.; A. Leyerle
Bibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.
Bibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.
Search More Titles in Bibliography
Web ReferenceWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
From the ArchiveWildflower Newsletter 1994 VOL. 11, NO.2 - Celebrate Spring With the National Wildflower Research Center, National Hotlines...
Additional resourcesUSDA: Find Agastache foeniculum in USDA Plants
FNA: Find Agastache foeniculum in the Flora of North America (if available)
Google: Search Google for Agastache foeniculum
MetadataRecord Modified: 2022-10-31
Research By: TWC Staff