Sidalcea oregana is a species of flowering plant in the mallow family known by the common name Oregon checkerbloom.

[1] It is native to western North America from British Columbia to California to Utah, where it grows in a number of moist habitat types, such as marshes and meadows.

In general, this is a perennial herb growing to maximum heights well over one meter from a woody taproot.

Sidalcea oregana is usually hairy in texture, the hairs thick and bristly toward the base of the stem.

[3] Subspecies include: It is a larval host to the West Coast lady.