Scarlet Monkeyflower
Erythranthe cardinalis
Last reviewed: June 2026
Scarlet Monkeyflower (Erythranthe cardinalis) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part sun
Water
high
Size
12"–48" H × 12"–24" W
Bloom
May, Jun, Jul, Aug, Sep
Native to
CA, NV, OR, WA
Pollinators
hummingbirds, bees
Browse plants for this ecoregion
Scarlet monkeyflower is a vibrant perennial with bright red tubular flowers that bloom from late spring through early fall. It thrives in moist areas and partial shade, growing 1-4 feet tall with a compact habit. This native wildflower adds a striking vertical accent to garden beds.
In an HOA neighborhood
Scarlet Monkeyflower is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: foundation, mid zone, backyard only.
- Requires consistent moisture which can create maintenance challenges
- May look untidy without regular grooming
- Can spread beyond intended areas if conditions are favorable
Wildlife value
Scarlet monkeyflower is highly attractive to hummingbirds with its red tubular blooms designed for their long beaks. Bees also visit the flowers for nectar and pollen resources.
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.