Gooddings Willow (Salix gooddingii)

Gooddings willow

Goodding’s Black Willow (Salix gooddingii) is a common native tree that grows along wetlands throughout California at elevations from sea level to 2,000 feet.

White Alder (Alnus rhombifolia)

White alder

The White Alder (Alnus rhombifolia) can be found dropping its tiny winged seeds along the banks of Putah Creek during the winter months when it and most other trees are dormant.

Toyon (Heteromeles arbutifolia)


Toyon (Heteromeles arbutifolia) is an awesome easy-to-grow native shrub, which at 6-10 feet tall and wide can fill a large garden space with year round beauty.

American Dogwood (Cornus sericea)

American dogwood

American Dogwood (Cornus sericea) is fairly common along streams in this area and can be found growing along Putah Creek in both the upper and lower watershed.

Bigleaf Maple (Acer macrophyllum)

Bigleaf maple

A hike along the Putah Creek Cold Canyon trail at this time of year may give you a glimpse of beautiful fall colored leaves from our Bigleaf Maple (Acer macrophyllum) where both the common and the scientific name hint at the size of its massive leaves.

Wild Licorice (Glycyrrhiza lepidota)

Wild licorice

Many of us have memories or still enjoy eating licorice, but may not know it comes from a plant or the history behind it. Our native licorice (Glycyrrhiza lepidota) can be found throughout most of temperate North America from Canada down into Mexico.

Mugwort (Artemisia douglassiana)


With a name like “Mugwort”, one may not really expect much from our native Artemisia douglasiana. Although it has bright yellow flowers, the tiny flower heads are not really showy being somewhat sparsely distributed along thin upright spikes and often obscured by the bluish green/grey sepals, leaves, and stems.

Western Goldenrod (Euthamia occidentalis)

Western goldenrod

Western goldenrod (Euthamia occidentalis) is a multiple-stemmed forb (herbaceous flowering plant other than a grass or sedge) that grows in abundance along the moist edges of Putah Creek.

Pacific Aster (Symphyotrichum chilense)

Pacific aster

Pacific aster (Symphyotrichum chilense) is a native plant of the Putah Creek watershed whose range extends along the west coast of North America from British Columbia to southern California.

Baltic Rush (Juncus balticus)

Baltic rush

Baltic rush (Juncus balticus), also known as wire rush, is noticeable for its conspicuously straight and vertical, dark green stems arising from the ground.