California Spikenard

Aralia californica

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Araliaceae
Genus:
Aralia
Species:
Aralia californica
USDA Symbol:
ARCA2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
300 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
white, greenish-white
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds, small mammals
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers riparian zones and shaded areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–60 days
Notes:
Seeds require cold-moist stratification. Germination can be erratic; fresh seed germinates best. Surface sow or barely cover.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: Seeds are collected between August 1st and September 30th. The plant is found in moist and shady spots, below 1550 meters, in many plant communities; from Orange County, California, to southern Oregon.

Source: npn.rngr.net

ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months.

Source: Ontario Rock Garden & Hardy Plant Society