Scarlet Monkeyflower
Mimulus cardinalis
Last reviewed: June 2026

Light
part sun
Water
high
Size
12"–36" H × 12"–24" W
Bloom
Jun, Jul, Aug, Sep
Native to
CO
Pollinators
hummingbirds
Browse plants for this ecoregion
Cardinal monkey flower produces brilliant red tubular blooms from June through September, creating a striking display in moist garden areas. This plant thrives in partial sun with consistent water and forms neat clumps 1-3 feet tall. The vibrant flowers are specifically adapted to attract hummingbirds with their tubular shape and bright color.
In an HOA neighborhood
Scarlet Monkeyflower takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- High water needs conflict with xeriscape expectations
- May appear too wild or natural for formal landscapes
- Requires consistent moisture maintenance
Wildlife value
Primarily attracts hummingbirds with its specialized red tubular flowers. Also supports other pollinators including bees and butterflies.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Scarlet Monkeyflower fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.