How much sun does Kellogg's yampah need?

Kellogg's yampah grows best in full sun conditions.

When does Kellogg's yampah bloom?

Kellogg's yampah blooms in June, July, and August.

Where is Kellogg's yampah native?

Kellogg's yampah (Perideridia kelloggii) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.

What butterflies or moths does Kellogg's yampah host?

Kellogg's yampah is a larval host plant for anise swallowtail.

Kellogg's yampah

Name: Pollinator Patch
Author: Pollinator Patch

Perideridia kelloggii

Last reviewed: October 2026

Kellogg's yampah (Perideridia kelloggii) is a perennial forb native to CA. It blooms in June, July, and August. The flowers draw bees, wasps, and flies.

Toxicity unknown

Kellogg's yampah (Perideridia kelloggii) 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

medium

Size

12"–30" H × 8"–12" W

Bloom

Jun, Jul, Aug

Native to

Pollinators

bees, wasps, flies

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Browse plants for this ecoregion

Coast Range Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Northwestern Forested Mountains

Slender perennial with a tuberous root and finely divided leaves, topped with flat clusters of small white flowers in summer. Found in moist meadows and grassy woodlands.

Growing Kellogg's yampah

Grow Kellogg's yampah in full sun and medium water. Mature plants reach 12 to 30 inches tall and spread 8 to 12 inches wide.

Wildlife value

Host plant for anise swallowtail.

Larval host plant for the anise swallowtail butterfly; flowers attract a wide range of small pollinating insects.

Common questions

How much sun does Kellogg's yampah need?: Kellogg's yampah grows best in full sun conditions.
When does Kellogg's yampah bloom?: Kellogg's yampah blooms in June, July, and August.
Where is Kellogg's yampah native?: Kellogg's yampah (Perideridia kelloggii) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
What butterflies or moths does Kellogg's yampah host?: Kellogg's yampah is a larval host plant for anise swallowtail.

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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