Ranunculaceae

Foothill larkspur

Delphinium hesperium A.Gray

Family: Ranunculaceae
Genus: Delphinium

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Foothill larkspur (Delphinium hesperium) — FlowerPhoto: Marcus Tamura, CC0, from iNaturalist

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Common names

By language (4)

Arabic: عائق غربي
arz: عائق غربى
Chinese: 西岸翠雀花
English: Foothill larkspur

Synonyms

Delphinium foliosum Turcz.
Delphinium hesperium f. hirsutum Ewan
Delphinium hesperium subsp. hesperium
Delphinium hesperium var. hesperium

Flowers

In flower: May to June (from 858 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Marcus Tamura, CC0, from iNaturalist
FlowerPhoto: Rupert Clayton, CC BY 4.0, from iNaturalist
FlowerPhoto: Nicholas Wei, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Alex, CC BY 4.0, from iNaturalist
FlowerPhoto: Felicia Gershberg, CC BY 4.0, from iNaturalist
FlowerPhoto: chrismo, CC BY 4.0, from iNaturalist
Photo: Miguel Vieira, CC BY 2.0, from Wikimedia Commons
Photo: Scott Loarie, CC0, from iNaturalist
Photo: rappman, CC BY 4.0, from iNaturalist
Photo: Chuck Wilson, CC0, from iNaturalist
Photo: Chuck Wilson, CC0, from iNaturalist
Photo: Felicia Gershberg, CC BY 4.0, from iNaturalist

More in Delphinium

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.