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Summary
Mountain monardella is a strongly aromatic perennial herb native to western North America. It grows in mountain forests, rocky slopes, open woodlands, and dry meadows, often at moderate to high elevations. The plant belongs to the mint family and produces clusters of small, tubular flowers that attract bees, butterflies, and other pollinating insects. Its leaves release a distinctive mint-like fragrance when crushed, making it one of the aromatic herbs associated with the mountain landscapes of the American West. Unlike the larger beebalms of the genus Monarda, mountain monardella is generally a compact, low-growing plant with slender stems, small opposite leaves, and rounded flower clusters. The aromatic leaves have been used traditionally to prepare herbal infusions and as flavorings. However, the extent of documented edible use, appropriate quantities, and safety of repeated consumption require care. The species has also been used in traditional herbal medicine, but medicinal applications should not be confused with established food safety. Mountain monardella is particularly interesting because it combines culinary potential, traditional cultural significance, drought tolerance, and value to pollinators.
Physical Characteristics

Monardella odoratissima is a PERENNIAL growing to 0.4 m (1ft 4in) by 0.6 m (2ft) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 6. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
It is noted for attracting wildlife.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Homotypic Synonyms: Madronella odoratissima (Benth.) Greene. Monardella odoratissima subsp. euodoratissima Epling. Monardella odoratissima var. euodoratissima H.St.John. Accepted Infraspecifics: Monardella odoratissima subsp. discolor (Greene) Epling. Monardella odoratissima subsp. franciscana (Elmer) Brunell. Monardella odoratissima subsp. obispoensis (Hoover) Brunell. Monardella odoratissima subsp. odoratissima. Monardella odoratissima subsp. parvifolia (Greene) Epling. Monardella odoratissima subsp. villosa (Benth.) Brunell.
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts:
Edible Uses: Tea
Mountain monardella is a strongly aromatic perennial herb with attractive flowers and potential culinary value. Its leaves have been used in herbal infusions and as flavorings, although reliable information about safe consumption levels is limited. The plant should be regarded primarily as an aromatic herb rather than a substantial edible vegetable. Its ecological and horticultural value is clearer. It is adapted to well-drained mountain habitats, tolerates seasonal drought, and provides flowers for pollinating insects. Mountain monardella is particularly suitable for native gardens, rock gardens, and dryland plantings in appropriate climates. Reported edible use: Leaves, primarily as a flavoring or herbal infusion [2-3]. Mountain monardella has aromatic foliage that can be used to prepare mint-like herbal infusions. The leaves contain volatile aromatic compounds that give them a strong fragrance. Historical and ethnobotanical accounts associate mountain monardella and related species with herbal teas and traditional preparations. However, there is less reliable information about its use as a substantial leafy vegetable. The leaves should therefore be described as an aromatic flavoring rather than a potherb or salad vegetable. The flowers are also aromatic and may be included in some herbal preparations, but their status as an independently established edible part requires verification. The stems, roots, and seeds should not be listed as edible without supporting evidence [2-3]. Culinary Value: Mountain monardella is most useful for its fragrance. Small amounts of foliage may provide a mint-like flavor to herbal infusions. Its intense aroma means that large quantities are unlikely to be desirable. Unlike ordinary culinary mint (Mentha species), mountain monardella does not have an equally extensive history of routine food consumption. Consequently, the two should not be treated as interchangeable. Edibility Rating: 2 out of 5 – Limited culinary use as an aromatic herb. A provisional rating of 2/5 is appropriate because the plant has reported uses as an herbal infusion and flavoring, but limited evidence supports its use as a substantial food. Its leaves are strongly aromatic and potentially useful in small quantities. However, uncertainties about the chemical composition of different populations, safe consumption levels, and regular dietary use reduce confidence in a higher rating. Taste and Preparation: Mountain monardella is known for its strong mint-like fragrance. Its aroma may be described as minty, spicy, or resinous, although the exact character varies with plant chemistry and growing conditions. A reliable species-specific tasting assessment has not been established here. Fresh Leaves: The leaves are strongly aromatic when crushed. They may be used in small quantities as a flavoring where there is reliable evidence of culinary use. However, the plant should not automatically be treated as a substitute for ordinary garden mint. Herbal Infusion: The most frequently reported culinary preparation is an herbal infusion made from the aromatic leaves. The leaves are steeped in hot water to extract their fragrance. Because the concentration of volatile compounds can vary, concentrated infusions and frequent consumption are not recommended without better safety information. Dried Leaves: The aromatic foliage can be dried for storage. Drying may preserve some of its fragrance, although the strength and composition of the aroma can change. A cool, shaded, well-ventilated location is preferable for drying aromatic herbs. Flowers: The flowers are aromatic, but their culinary use has not been sufficiently established in this assessment to recommend them as a separate edible part. Seasonality: Mountain monardella is a perennial that produces new growth during spring and summer. Flowering generally occurs during summer, with the timing influenced by elevation and local climate. At higher elevations, flowering may begin later because snowmelt and warming occur later in the season. The aromatic foliage is most readily available during active growth. The plant survives winter through its perennial root system, although above-ground stems may die back or remain partially persistent depending on conditions. Traditional Uses: Mountain monardella has a history of use among Indigenous peoples of western North America. Aromatic preparations have been associated with herbal infusions and traditional medicinal practices. However, specific uses must be linked to identifiable communities and reliable ethnobotanical references. The available information does not justify assigning every traditional use recorded for the genus Monardella to M. odoratissima. Similarly, a medicinal use does not establish that a plant is safe to consume frequently as food. For PFAF, the most defensible general description is that mountain monardella is an aromatic herb with reported traditional use in infusions and other preparations. Safety: Mountain monardella requires greater caution than common culinary mints because information about its chemical composition and safe dietary use is less extensive. Strong Aromatic Constituents: The leaves contain volatile aromatic compounds responsible for their fragrance. The precise chemical composition may vary among populations. The presence of a pleasant mint-like aroma does not establish that large quantities are safe. Pennyroyal Common Name: Mountain monardella is sometimes called mountain pennyroyal. This common name should not be confused with European pennyroyal (Mentha pulegium) or American pennyroyal (Hedeoma pulegioides), both of which are associated with potentially hazardous essential-oil constituents. A shared common name does not establish identical chemistry or toxicity. Equally, it does not demonstrate that mountain monardella is free of potentially harmful compounds. Essential Oils: Concentrated essential oils should not be ingested. The safety of ordinary culinary use cannot be extrapolated to concentrated extracts. Pregnancy and Breastfeeding: There is insufficient reliable evidence to establish the safety of medicinal or concentrated preparations during pregnancy or breastfeeding. Avoid these preparations unless advised by an appropriately qualified healthcare professional. Frequent Consumption A safe daily intake has not been established. For PFAF, occasional use as an aromatic flavouring is more defensible than recommending regular consumption of substantial quantities. Correct Identification: Correct identification is particularly important because several aromatic members of Lamiaceae share similar common names. The fresh or dried aromatic leaves and flower heads are steeped in cold water to make a refreshing mint-like tea[183].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Carminative Febrifuge Ophthalmic
The plant is carminative and febrifuge[257]. A decoction of the stems and flower heads has been used in the treatment of flatulence and other digestive upsets, colds and fevers[257]. The decoction is also used as an eye wash for sore or inflamed eyes[257].
References More on Medicinal Uses
Other Uses
Mountain monardella is an attractive plant for rock gardens, native plant gardens, dryland landscapes, and pollinator plantings. Its compact growth habit and aromatic foliage sui informal garden settings. The flowers add colour during summer and provide resources for insects. It is particularly well suited to gardens that imitate its natural mountain habitats. Its principal horticultural value lies in its ornamental appearance, fragrance, and ecological role. Mountain monardella is valuable as a flowering plant for pollinating insects. Its small, tubular flowers provide floral resources during summer. Bees are likely to be important visitors, and butterflies may also visit the flowers. The plant's compact form makes it useful in native wildflower plantings where a diversity of flowering species is desirable. Its aromatic foliage may influence interactions with herbivores and insects. However, species-specific relationships with particular pollinators or specialist insects should be verified before being included as established facts in the PFAF database.
Special Uses
References More on Other Uses
Cultivation details
Mountain monardella grows best in full sun to partial shade, with well-drained, rocky, gravelly, or sandy soil. Its natural habitat suggests a preference for relatively open sites where the roots are not exposed to prolonged waterlogging. The plant is adapted to seasonal moisture, often receiving water from snowmelt or spring rainfall before experiencing drier summer conditions. Light: Full sun suits cooler mountain environments. In hot, low-elevation gardens, some afternoon shade may help reduce heat and moisture stress. Soil: Well-drained soils are particularly important. Rocky, gravelly, and sandy soils are suitable, provided they retain enough moisture for establishment. Heavy clay soils may be unsuitable unless drainage is improved. Moisture: Moderate watering is useful during establishment. Once established, the plant can tolerate periods of drought. However, drought tolerance should not be interpreted as an ability to thrive indefinitely without moisture. Soil Fertility: Mountain monardella generally grows in relatively nutrient-poor natural habitats. Heavy fertilization is unlikely to be necessary. Excessive nutrients may encourage weak, elongated growth. Soil pH: A reliable species-specific pH tolerance range has not been established here. It is preferable to describe the plant as adaptable to suitable well-drained mountain soils rather than assign an unsupported numerical pH range. Habitat: Mountain monardella is native to western North America. It occurs in mountainous habitats, including open coniferous forests, woodland edges, rocky slopes, dry meadows, and exposed ridges. The plant is associated with regions experiencing cool winters and relatively dry summers. It often grows in open or partially shaded locations where competing vegetation is not excessively dense. Habitats may include pine forests, mixed conifer woodlands, mountain shrublands, and rocky clearings. The species occurs across a broad elevation range, but a single precise elevation interval would be misleading without specifying the geographical region and taxonomic treatment. Its distribution is centered on the mountainous western United States, with occurrences extending into parts of western Canada. Cultivation: Mountain monardella is an attractive plant for rock gardens, native plant gardens, dryland landscapes, and pollinator plantings. Its compact growth habit and aromatic foliage make it well suited to informal garden settings. The flowers add color during summer and provide resources for insects. It is particularly well suited to gardens that imitate its natural mountain habitats. A planting site with good drainage is essential. The plant may perform poorly in persistently wet soil, especially during winter. In hot climates, light afternoon shade may improve its performance. Once established, watering can generally be reduced, although occasional moisture may be beneficial during prolonged drought. Mountain monardella is not usually cultivated as a commercial culinary herb. Its principal horticultural value lies in its ornamental appearance, fragrance, and ecological role. For gardens outside its native range, local climate suitability and the risk of naturalization should be assessed. USDA Hardiness Zones: USDA Zones 5–9 (provisional estimate). Mountain monardella is a perennial native to mountainous regions of western North America, where populations experience cold winters, seasonal snow, and dry summers. Established plants can tolerate freezing conditions, although cold tolerance depends on the population, elevation, and growing conditions. The suggested hardiness range is an estimate, not a verified horticultural classification for all populations. Plants from higher elevations may tolerate colder conditions than those from lower, warmer habitats. Winter drainage is particularly important. Persistently waterlogged soil may damage the roots even where temperatures are otherwise suitable. Growth Rate: Slow to moderate. Mountain monardella is a relatively compact perennial. Young plants may establish slowly as they develop their root systems. Once established, growth is generally more vigorous during spring and early summer when moisture is available. The plant may become semi-dormant during prolonged summer drought. Growth rate varies with elevation, soil moisture, temperature, and competition. It is not generally a rapidly spreading or aggressively colonizing species. Mature Size: Height: approximately 15–45 cm (6–18 inches). Spread: approximately 30–60 cm (12–24 inches). These are provisional horticultural ranges for compact forms of mountain monardella, not verified limits for the entire species. The plant commonly develops a low, spreading or ascending growth habit. Stems may branch from a perennial base, forming loose clumps or patches. Size varies considerably with growing conditions and the taxonomic treatment of different populations. Some plants remain very compact on exposed, rocky slopes, while others become taller in sheltered habitats with more moisture. Prefers a moist but well-drained sandy soil[1, 200]. Requires a sunny position[200]. Strongly resents excessively cold damp soils in the winter[200]. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200]. A very polymorphic species, there are many sub-species[200].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Mountain monardella can be propagated by seed and potentially by vegetative cuttings. Seeds: Seeds develop in small nutlets following flowering. They can be collected when the flower heads mature and begin to dry. Because germination requirements may vary among populations, consult a species-specific propagation protocol before recommending cold stratification or other treatments. For initial cultivation trials, shallow sowing in a well-drained seed-raising medium is a reasonable approach. The medium should remain lightly moist during germination. Cuttings: Softwood or semi-ripe stem cuttings may be suitable for propagation. Cuttings should be taken from healthy, actively growing material. Place them in a free-draining propagation medium and protect them from excessive drying. However, published rooting success rates for M. odoratissima have not been verified. Division: Division may be possible where established plants form multiple rooted stems. However, mountain monardella should not automatically be assumed to spread through extensive rhizomes like some Monarda species. Assess its root structure and suitability for division before attempting this method. Seed - sow spring in a cold frame[200]. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring. Large divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer. Cuttings of semi-ripe shoots, July in a frame[200].
Other Names
If available other names are mentioned here
Mountain monardella, mountain coyote mint, mountain pennyroyal, mountain mint.
Native Range
NORTH AMERICA: United States (Arizona, British Columbia, California, Colorado, Idaho, Montana, New Mexico, Oregon, Utah, Washington)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not
in your area so it's worth checking.
Low. Mountain monardella is not generally recognized as a major agricultural or environmental weed. It is a perennial adapted to particular mountain habitats and is not typically associated with aggressive colonization of cultivated land. The plant can reproduce by seed, but its establishment depends on suitable soil, moisture, and temperature conditions. Its relatively compact growth habit also makes it less likely to dominate garden plantings. Nevertheless, its behavior outside its native range has not been comprehensively assessed.
Conservation Status
IUCN Red List of Threatened Plants Status :
IUCN Red List
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
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Expert comment
Author
Benth.
Botanical References
200204
Links / References
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Subject : Monardella odoratissima
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