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Small-leaf Giant Hyssop Back to Plant Page
Agastache parvifolia

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About Small-leaf Giant Hyssop (Agastache parvifolia) Agastache parvifolia is a species of flowering plant in the mint family known by the common name small-leaf giant hyssop. It is endemic to far northern California, where it grows in woodlands. It is an uncommon species and is sometimes considered a local subspecies of Agastache urticifolia. This is an aromatic perennial herb producing an erect stem with triangular serrated leaves on petioles. This species is characterized by leaves under 5 centimeters long and 3. 5 wide. The inflorescence is a spike occupying the top of the stem. The flowers have pink-tipped green sepals and tubular pink corollas.
Plant Description
Plant Type
Perennial herb

Max. Height
2 ft (0.6 m)


Growth Rate

Flower Color
Red, Pink, Green

Flowering Season

Native Status

Natural Setting
Elevation ?
2888' - 8366'

Annual Precip. ?
12.2" - 91.7"

Summer Precip. ?
1.04" - 3.53"

Coldest Month ?
26.1° F - 36.6° F

Hottest Month ?
51.9° F - 67.0° F

Humidity ?
0.52 vpd - 20.37 vpd

Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Smallleaf Giant Hyssop

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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