When does Chilean Sweet-Cicely bloom?

Osmorhiza berteroi typically blooms from May through July, producing small white flowers arranged in umbrella-like clusters.

What pollinators visit Chilean Sweet-Cicely?

This native plant attracts various pollinators including bees, beetles, and flies that visit its small clustered flowers.

Where is Osmorhiza berteroi native?

Chilean Sweet-Cicely is native to many western and northern US states including Arizona, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, and several others.

What growing conditions does Chilean Sweet-Cicely prefer?

This forb tolerates full sun to partial shade and grows best with medium to high moisture levels in the soil.

Is Chilean Sweet-Cicely HOA-friendly?

Chilean Sweet-Cicely takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Chilean Sweet-Cicely

Name: Pollinator Patch
Author: Pollinator Patch

Osmorhiza berteroi

Last reviewed: June 2026

Osmorhiza berteroi (Chilean Sweet-Cicely) is a native perb blooming May through July across western and northern US states. This deciduous wildflower attracts bees, beetles, and flies with its small white umbrella-shaped flower clusters.

Chilean Sweet-Cicely (Osmorhiza berteroi) — Photo: (c) Noah How, some rights reserved (CC BY), uploaded by Noah How

Light

part sun

Water

medium

Size

12"–36" H × 6"–18" W

Bloom

May, Jun, Jul

Native to

AZ, CA, CO, ID and 13 more states

Pollinators

bees, beetles, flies

Browse plants for this ecoregion

Coast Range Sierra Nevada Central California Valley Southern California Mountains Central Basin and Range

Sweet cicely is a delicate native wildflower with ferny, aromatic foliage and small white umbrella-shaped flower clusters. This plant thrives in partial shade with moderate water and provides a soft, woodland garden appearance through spring and summer.

Growing Chilean Sweet-Cicely

Grow Chilean Sweet-Cicely in part sun and medium water. Mature plants reach 12 to 36 inches tall and spread 6 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Chilean Sweet-Cicely 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 wild and weedy to untrained eyes
Delicate appearance may seem unkempt
Dies back completely in winter leaving bare spots

Wildlife value

The small white flowers attract various pollinators including native bees, beetles, and flies during its May through July bloom period.

Common questions

When does Chilean Sweet-Cicely bloom?: Osmorhiza berteroi typically blooms from May through July, producing small white flowers arranged in umbrella-like clusters.
What pollinators visit Chilean Sweet-Cicely?: This native plant attracts various pollinators including bees, beetles, and flies that visit its small clustered flowers.
Where is Osmorhiza berteroi native?: Chilean Sweet-Cicely is native to many western and northern US states including Arizona, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, and several others.
What growing conditions does Chilean Sweet-Cicely prefer?: This forb tolerates full sun to partial shade and grows best with medium to high moisture levels in the soil.
Is Chilean Sweet-Cicely HOA-friendly?: Chilean Sweet-Cicely 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 the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Chilean Sweet-Cicely? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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