Bolander's Yampah
Perideridia bolanderi
Last reviewed: July 2026
Toxicity unknown
Bolander's Yampah (Perideridia bolanderi) 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
12"–24" H × 6"–12" W
Bloom
Jun, Jul, Aug
Native to
CA, ID, NV, OR and 3 more states
Pollinators
bees, beetles, flies
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 445 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
Bolander's yampah is a compact native wildflower with delicate white umbrella-shaped flower clusters that bloom through summer. This drought-tolerant perennial grows in neat clumps with fine foliage and requires minimal water once established. It naturally goes dormant in fall, returning each spring from its taproot.
In an HOA neighborhood
Bolander's Yampah takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Looks very much like a wild weed to most people
- Unknown dormancy appearance could be problematic
- May be confused with invasive plants in carrot family
Wildlife value
The small white flowers attract a diverse range of beneficial insects including native bees, beetles, and flies during its long summer blooming period. Its seeds also provide food for small birds and wildlife.
Common questions
- How much sun does Bolander's Yampah need?
- Bolander's Yampah grows best in full sun conditions.
- When does Bolander's Yampah bloom?
- Bolander's Yampah blooms in June, July, and August.
- Where is Bolander's Yampah native?
- Bolander's Yampah (Perideridia bolanderi) is native to CA, ID, NV, OR and 3 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Bolander's Yampah attract?
- Bolander's Yampah draws bees, beetles, and flies.
- Is Bolander's Yampah HOA-friendly?
- Bolander's Yampah takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Bolander's Yampah? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz