How much sun does Ligusticum apiifolium need?

Ligusticum apiifolium grows best in part shade conditions.

When does Ligusticum apiifolium bloom?

Ligusticum apiifolium blooms in May, June, and July.

Where is Ligusticum apiifolium native?

Ligusticum apiifolium is native to CA, OR, WA, per the World Checklist of Vascular Plants (Kew).

What butterflies or moths does Ligusticum apiifolium host?

Ligusticum apiifolium is a larval host plant for anise swallowtail.

Ligusticum apiifolium

Name: Pollinator Patch
Author: Pollinator Patch

Last reviewed: September 2026

Ligusticum apiifolium is a perennial forb native to CA, OR, WA. It blooms in May, June, and July. The flowers draw bees, beetles, flies, and wasps.

Toxicity unknown

Ligusticum apiifolium 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

part shade

Water

medium

Size

18"–48" H × 18"–30" W

Bloom

May, Jun, Jul

Native to

CA, OR, WA

Pollinators

bees, beetles, flies, wasps

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A perennial forb with finely divided, celery-like leaves and flat-topped clusters of small white flowers on tall stems. Grows in the moist shade of coniferous forest and canyon slopes.

Growing Ligusticum apiifolium

Grow Ligusticum apiifolium in part shade and medium water. Mature plants reach 18 to 48 inches tall and spread 18 to 30 inches wide.

Wildlife value

Host plant for anise swallowtail.

The flat flower clusters attract a variety of small pollinating insects, and the foliage serves as a larval host plant for anise swallowtail butterflies.

Common questions

How much sun does Ligusticum apiifolium need?: Ligusticum apiifolium grows best in part shade conditions.
When does Ligusticum apiifolium bloom?: Ligusticum apiifolium blooms in May, June, and July.
Where is Ligusticum apiifolium native?: Ligusticum apiifolium is native to CA, OR, WA, per the World Checklist of Vascular Plants (Kew).
What butterflies or moths does Ligusticum apiifolium host?: Ligusticum apiifolium is a larval host plant for anise swallowtail.

Native range data from the World Checklist of Vascular Plants (Kew). 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.

See all plant problem guides

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