Rattan's monkeyflower
Diplacus rattanii
Last reviewed: September 2026
Rattan's monkeyflower (Diplacus rattanii) is a perennial forb native to CA. It blooms in April, May, and June. The flowers draw bees.
Toxicity unknown
Rattan's monkeyflower (Diplacus rattanii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
8"–16" H × 12"–18" W
Bloom
Apr, May, Jun
Native to
CA
Pollinators
bees
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Low mounding perennial with sticky leaves and pale yellow tubular flowers with red-spotted throats. Found on dry rocky slopes and outcrops, dying back in summer drought.
Growing Rattan's monkeyflower
Grow Rattan's monkeyflower in full sun and low water. Mature plants reach 8 to 16 inches tall and spread 12 to 18 inches wide.
Wildlife value
Host plant for common buckeye.
Larval host plant for the common buckeye butterfly; flowers attract native bees.
Common questions
- How much sun does Rattan's monkeyflower need?
- Rattan's monkeyflower grows best in full sun conditions.
- When does Rattan's monkeyflower bloom?
- Rattan's monkeyflower blooms in April, May, and June.
- Where is Rattan's monkeyflower native?
- Rattan's monkeyflower (Diplacus rattanii) is native to CA, per the World Checklist of Vascular Plants (Kew).
- What butterflies or moths does Rattan's monkeyflower host?
- Rattan's monkeyflower is a larval host plant for common buckeye.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Rattan's monkeyflower? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.