Grand Monkeyflower (Erythranthe Grandis) is a perennial herb in the Phrymaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Erythranthe grandis is a coastal perennial species native to the western coast of the United States, particularly Oregon and California. It is closely related to Erythranthe guttata.