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California Larkspur Back to Plant Page
Delphinium californicum

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About California Larkspur (Delphinium californicum) Delphinium californicum is a species of larkspur known as California larkspur. This wildflower is endemic to California, where it is a resident of the chaparral slopes of the San Francisco Bay Area and Central Coast. It has a long root from which it erects tall stems usually exceeding a meter in height and often approaching two meters. The leaves arise on long petioles and are each divided into as many as 15 fingerlike pointed lobes. The top of the stem is occupied with a very large flower cluster usually containing over 50 flowers. Each flower rises on a pedicel several centimeters long. The sepals point forward to make a cup out of the mouth of the somewhat tubular flower. The longest sepals are about a centimeter long and the spur of the flower may approach two centimeters in length. The flower is generally white to greenish white to light lavender.
Plant Description
Plant Type
Perennial herb

Max. Height
2 - 7.2 ft (0.6 - 2.2 m)

Flower Color
Cream, Lavender

Flowering Season

Native Status

Natural Setting
Sun, Part Shade

Elevation ?
7' - 4119'

Annual Precip. ?
12.2" - 47.9"

Summer Precip. ?
0.19" - 0.55"

Coldest Month ?
43.3° F - 51.1° F

Hottest Month ?
58.8° F - 75.3° F

Humidity ?
0.62 vpd - 24.15 vpd

Landscaping Information
Ease of Care
moderately easy

Common uses
Hummingbird Gardens, Deer Resistant, Bee Gardens

Nursery Availability
Rarely Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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