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Yerba Mansa

Anemopsis californica

Details & Attributes

Plant Type(s) Perennial
Native to Arizona Yes!
Water Needs High
Sun Full sun, partial shade
Pollinators Bees
Has Spines No
In relative feet, width by height
1-2 × (forms colonies)
Flowering Season April-October
Flower Color White
Minimum Temperature Range 10-15 °F (dies back to roots)
Leaf Description Oblong, highly fragrant
Fruit Many small capsules with a few seeds
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Elevation Range 1000-6000 ft.
Description This well regarded medicinal plant species is a resident of cienegas (marshy areas), stream bottoms, and springs. The upshot of this is that yerba mansa requires near constant moisture to truly thrive, limiting the types of locations it can be grown to well watered garden beds, containers, pondsides, or aqua/hydroponics tanks. That being said, if these plants receive ample moisture they can spread rapidly, forming large and robust clonal colonies, spreading by stolons (aboveground runners) and rhizomes (underground stems) (underground runners). The showy white blooms are conical clusters of tiny flowers with petal-like white or pink bracts at the base, plants require outcrossing to produce seed. Leaves are oval, and basal (at the base of the plant), they give off a strong medicinal aroma which can vary amongst populations.