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Delphinium antoninum

A Ranunculaceae perennial herb with deeply lobed leaves and tall spikes of blue, purple, or white flowers, growing in moist, well-drained meadows and woodlands, native to northwestern California and Europe and Asia, and described by Eastw. in 1942 with California records.

Is Delphinium antoninum growing in your garden? Record it and all of your plants in Known.

Common Names

Mountain Larkspur, Mountain Delphinium, Antoninum Delphinium

Summary

Perennial herb with deeply lobed leaves and tall spikes of blue, purple, or white flowers up to 4 ft tall; blossoms blue-violet with five petals and a yellow center; grows in moist, well-drained soils in meadows and woodlands; native to Europe and Asia, including the Mediterranean region and Central Asia.

Prefers full sun and moist, well-drained soil with summer blooms; propagation by division in spring or cuttings in summer, seed propagation possible but difficult; used ornamentally in gardens and in traditional medicine for respiratory and digestive issues, and as a dye for fabrics.

Lifecycle

Perennial

Height

4 feet

Sunlight Requirements

Ideally full sun.

Soil Type

Well-drained soil

Soil Drainage

Well-drained soil

Bloom Color

Blue-violet

Bloom Time

Summer

Seasons of Interest

Summer

Propagation Methods

Division, Cuttings, Seeds (possible but difficult)

Taxonomy

Taxonomic Rank
Species
Author
Eastw.
Publication
Leafl. W. Bot. 3: 126 (1942)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Ranunculales
Family
Ranunculaceae
Genus
Delphinium

References

Delphinium antoninum Eastw. | Plants of the World …. powo.science.kew.org.
Delphinium antoninum. species.data.kew.org.
Delphinium antoninum | International Plant Names I…. ipni.org.
Delphinium antoninum (Antoninum Delphinium, Mounta…. selinawamucii.com.
World Flora Online. worldfloraonline.org. June 2024.