PatternBaseHorse mint
Mentha longifolia, Lamiaceae
Zones
3–9
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast
Guild Roles
Pollinator AttractorBeneficial Insect HabitatPest Confuser
Growing Conditions
Sun
Partial Shade (preferred)Full Sun (tolerated)
Water
High (established)High (seedling)
Soil pH
6 – 7.5
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Pointed-leaved Tick-trefoilDesmodium glutinosum
Mint species produce strong allelopathic compounds that can inhibit legume growth and nitrogen fixation
Slender-pod BundleflowerDesmanthus leptolobusHorse mint's strong essential oils can negatively impact legume growth and beneficial microbial associations
Caucasian GermanderTeucrium hircanicumBoth aromatic herbs may exhibit competitive allelopathy in Mediterranean mountain environments
Uses
Functions
Attracts Hover Flies And Predatory WaspsSupports Leafcutter Bees And Mason BeesProvides Extended Bloom For BumblebeesRepels Ants And Rodents With Menthol CompoundsFlowers Visited By Beneficial Tachinid Flies
Edible Parts
LeavesFlowers
Medicinal Uses
Digestive AidRespiratory Support
Common Questions
What zones does Horse mint grow in?
Horse mint grows in USDA hardiness zones 3 through 9.
What are good companion plants for Horse mint?
Good companions for Horse mint include Short's Aster, Indian dill, Thin-leaved Mountain Mint.
Design guilds with Horse mint and see companion relationships visually.
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