PL. —Monardella villosaBotanical illustration — drop image
Monardella villosa

Coyote Mint

Summer
7a10bHardiness zone
Peak bloom windowZone 6b · frost-offset weeks
Winter
Not in bloom
Spring
Peak bloom
Summer
Peak bloom
Fall
Not in bloom
Peak bloom
In bloom
Background

Monardella villosa is a native perennial of California's chaparral, dry woodlands, and rocky slopes. It belongs to the mint family and produces dense clusters of lavender to purple florets through summer, drawing bees, butterflies, and hummingbirds. Foliage is strongly aromatic, with notes of mint and oregano.

Sharp drainage is the primary growing requirement; clay or consistently wet soil leads to root rot and early death. Established plants tolerate extended drought and poor, gravelly soils, making coyote mint well-suited to dry borders, fire-wise plantings, and slope stabilization. It spreads slowly by rhizomes to form low, informal mounds. Trim back by one-third after peak flowering to maintain a compact shape and encourage a secondary flush. A 2020 taxonomic revision merged this species into Monardella odoratissima, though many references continue to treat the two as distinct.

California Indigenous peoples, including the Ohlone and Miwok, prepared leaf tea traditionally associated with headaches, fever, and digestive discomfort. Fresh or dried leaves can substitute for mint or oregano in the kitchen.

Care guide
SunFull sun to part shade
WaterLow
SoilWell-drained, dry, lean, sandy or rocky
Spacing18–24 in
Height12–24 in
Zone7a – 10b
Native RegionCA, OR
Direct sowFrost hardy
Seasonal tasks
winter
cutCut stems back to 4–6 inches in late winter before new growth begins to remove woody material and refresh the plant's shape.
spring
sowStart seeds indoors in a lean, well-drained seed mix under grow lights; press seeds onto the surface without covering, as light aids germination. Maintain 65–70°F.
sowTransplant hardened seedlings to a full-sun, well-drained site after last frost; space 18–30 inches apart and reduce irrigation immediately after the establishment watering.
summer
cutTrim plants back by one-third immediately after peak flowering to encourage a secondary flush and prevent a straggly habit.
watchMonitor leaves for white powdery coating during warm, humid spells; improve air circulation and apply sulfur spray at first sign of powdery mildew.
fall
sowDirect sow seeds into a dry, rocky or sandy bed in early fall; seeds will cold-stratify naturally through winter and germinate the following spring.
Common problems

Powdery mildew

Symptoms

White or grey powdery coating on leaves — usually starting on older growth in humid conditions or when nights cool.

Treatment

Improve air circulation by thinning plants. Apply neem oil or potassium bicarbonate spray at first sign. Avoid overhead watering.

Mint Rust

Symptoms

Small orange or rust-colored pustules on the undersides of leaves, followed by yellowing, distortion, and leaf drop. Stems may show swelling.

Treatment

Remove and destroy infected foliage. Avoid overhead watering and improve air circulation. Cut plants to the ground and dispose of debris in severe cases. Do not compost infected material.

Phytophthora Root Rot

Symptoms

Wilting despite moist soil, yellowing leaves, stunted growth, and dark, decayed roots and crown tissue. Vines may collapse during hot weather.

Treatment

Plant in well-draining soil and avoid waterlogging. Remove and destroy affected vines. Improve drainage with raised beds or amended soil and avoid overwatering.