Western Vervain is a native California perennial with slender upright stems and small lavender to purple flowers arranged in spiky clusters. It thrives in dry, sunny conditions and is valued for attracting pollinators and supporting native wildlife.
Overview
Form
Upright
Growth Rate
moderate
Size
1.5–3′ tall × 1–2′ wide
Dormancy
deciduous
Tolerances & Soil
Zone 8aZone 10b
1471013
ColderWarmer
Zone range: Zone 8a to Zone 10b
Seasonality
Bloom Season
J
F
M
A
M
J
J
A
S
O
N
D
Season of Interest
SpringSummerFall
Herb
Soft non-woody plants of the field layer.
Succession Role
pioneerearly successional
Native to the United States
Native Range
California and southwestern North America
Native to: California, Arizona, Nevada, New Mexico
