California Greenbrier

Smilax californica

Native to:
United States
California Greenbrier

(c) Justin Felder, some rights reserved (CC BY-SA)

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Smilacaceae
Genus:
Smilax
Species:
Smilax californica
USDA Symbol:
SMCA2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Vine
Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
green, yellow

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Western yellowstriped armyworm (Spodoptera praefica)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fall Color:
yellow
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from rhizomes following fire. Common in chaparral and oak woodland understory adapted to periodic fire.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
moderate moisture

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 60–120 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
30–365 days
Notes:
Seeds have double dormancy requiring warm then cold stratification. Germination can be slow and erratic, often taking a full year.

The above propagation data sourced from Claude AI