California Laurel

Umbellularia californica

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lauraceae
Genus:
Umbellularia
Species:
Umbellularia californica
USDA Symbol:
UMCA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
2500 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may
Bloom Colors:
yellow, green

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Caloptilia sp. n., Cameraria umbellulariae, Sabulodes caberata, Western amorbia moth (Amorbia cuneanum)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from the root crown after fire or cutting. Top-killed trees regenerate readily.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Thrives in coastal and riparian zones

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–180 days
Notes:
Germination is slow and erratic; fresh seed germinates best. Seeds may take several months to sprout.

The above propagation data sourced from Claude AI

Pre-treatment: Stratify seeds for 3 to 4 months in refrigerator

Source: npn.rngr.net