« Back to main plant list

Yerba Porosa

Porophyllum ruderale

Details & Attributes


Plant Type(s) Annual
Native to Arizona Yes!
Water Needs Moderate
Sun Full sun, partial shade
Pollinators Bees, butterflies
Has Spines No
Size
In relative feet, width by height
9"-1' × 3-5"
Flowering Season July-October
Flower Color Burgundy (tiny)
Minimum Temperature Range 25-30 °F
Leaf Description Opposite, rounded or oval with wavy margins
Fruit If you stroll the grasslands of the southern Arizona sky islands after a good monsoon rains you will likely first encounter this plant in the form of the hairy achene (dry single seeded fruit) stuck to your socks.
View on SEINet View SEINet Entry
Range Map View SEINet Range Map
Elevation Range 3500-5000 ft.
Description A summer herb which germinates and grows with monsoon rains, This species can be prolific on grassy slopes in southeastern Arizona. The range of yerba porosa extends far down into the tropics and reaches its northern most limit in the sky islands along the border. However, due to its annual nature this plant could be grown in the summertime elsewhere in the state in herb beds, containers, or scattered into a planting of native shrubs. The flavor of the rounded leaves Is similar to cilantro, or rue and is used as a flavoring throughtout north, central, and south America.