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Indian Biscuitroot

Lomatium piperi

Last reviewed: August 2026

Indian Biscuitroot (Lomatium piperi)
Photo: (c) James H. Thomas, some rights reserved (CC BY), uploaded by James H. Thomas

Toxicity unknown

Indian Biscuitroot (Lomatium piperi) 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

4"–16" H × 4"–12" W

Bloom

Mar, Apr, May

Native to

CA, ID, OR, WA

Pollinators

bees, beetles

Before you buy

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Browse plants for this ecoregion

Northwestern Forested MountainsSierra NevadaNorth American DesertsCentral Basin and Range

Lomatium piperi is a compact native wildflower that forms low, spreading clumps with delicate, finely divided foliage. It produces small clusters of yellow flowers from March through May, followed by a summer dormancy period. This drought-tolerant perennial thrives in sunny locations and requires minimal water once established.

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In an HOA neighborhood

Indian Biscuitroot 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.

  • Goes completely dormant in summer leaving bare spots
  • Can appear weedy or unkempt to unfamiliar observers
  • Very informal wildflower appearance

Wildlife value

The early spring blooms provide crucial nectar for native bees and beneficial beetles when few other flowers are available. This plant supports specialized native pollinators that have co-evolved with native flora.

Common questions

How much sun does Indian Biscuitroot need?
Indian Biscuitroot grows best in full sun conditions.
When does Indian Biscuitroot bloom?
Indian Biscuitroot blooms in March, April, and May.
Where is Indian Biscuitroot native?
Indian Biscuitroot (Lomatium piperi) is native to CA, ID, OR, WA, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Indian Biscuitroot attract?
Indian Biscuitroot draws bees and beetles.
Is Indian Biscuitroot HOA-friendly?
Indian Biscuitroot 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.

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.

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