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Nineleaf Biscuitroot

Lomatium triternatum

Last reviewed: June 2026

Nineleaf Biscuitroot (Lomatium triternatum)
Photo: Matt Berger / Wikimedia Commons (CC BY 4.0)

Light

full sun

Water

low

Size

6"–24" H × 4"–12" W

Bloom

Mar, Apr, May

Native to

ID, MT, OR, WA

Pollinators

bees, beetles

Browse plants for this ecoregion

Nineleaf biscuitroot is a compact native perennial that produces clusters of small yellow flowers in early spring. The finely divided, fern-like foliage emerges in late winter and dies back to the ground by midsummer, entering dormancy until the next growing season.

In an HOA neighborhood

Nineleaf 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.

  • Completely dormant and invisible for half the year
  • Unfamiliar appearance may be perceived as weedy
  • Short blooming period followed by rapid senescence

Wildlife value

The early spring blooms provide crucial nectar for native bees and beetles when few other flowers are available. This plant is especially valuable for supporting solitary bees emerging from winter hibernation.

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 Nineleaf Biscuitroot fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.