Agastache parvifolia
Small leaved horsemint
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Family: Lamiaceae · Type: Subshrub · Native
Agastache parvifolia (Small leaved horsemint) is a native California subshrub in the Lamiaceae family.
Small leaved horsemint is a California native perennial found in the Cascade Range and Modoc Plateau in woodland habitats at elevations of 1,400 to 2,200 meters. Flowering from June to August, this plant produces delicate lavender or purple flowers in compact terminal clusters. Growing with upright stems 30 to 50 centimeters tall, it forms a bushy, slightly woody perennial herb. Its small leaves are opposite, with narrow lance-shaped blades 5 to 15 millimeters long, aromatic when crushed and characteristic of the mint family.
Identification and appearance
Key characters: 1 sympatric species; key differentiator likely leaf size and habitat specificity
Habitat and range
Habitat: Uncommon. Woodland
Elevation: 1400-2200 m
California counties: Siskiyou, Shasta, Lassen, Plumas, Modoc, Butte
Bloom period
Agastache parvifolia blooms Jun-Aug.
How to tell it apart
vs Stachys: Agastache stamens protrude far beyond flowers; Stachys stamens are enclosed in flower tube.; vs Mentha: Agastache has tall spikes with protruding stamens; Mentha has rounded clusters with enclosed stamens.; vs Nepeta: Agastache stamens clearly extend past petals; Nepeta stamens stay within flower tube.; vs Salvia: Agastache has four protruding stamens; Salvia has only two stamens visible.; vs Monardella: Agastache bracts are non-overlapping at base; Monardella bracts overlap forming a collar around flower head.
Frequently asked questions
Is Agastache parvifolia native to California?
Yes. Agastache parvifolia is native to California (recorded as native).
When does Agastache parvifolia bloom?
Agastache parvifolia blooms Jun-Aug.
Where in California does Agastache parvifolia grow?
Agastache parvifolia occurs in Siskiyou, Shasta, Lassen, Plumas, Modoc, Butte, at elevations of 1400-2200 m.
What plant family does Agastache parvifolia belong to?
Agastache parvifolia is in the Lamiaceae family, genus Agastache.
What habitat does Agastache parvifolia grow in?
Agastache parvifolia grows in Uncommon. Woodland.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · Index of California Plant Names · CalPhotos
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.