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Douglas iris

Douglas iris

Iris douglasiana

perennial☀️ full sun💧 low waterZone 8aZone 10b

A California native iris with blue-purple, violet, or yellow flowers and narrow, evergreen foliage that thrives in dry, sunny conditions. Excellent for drought-tolerant gardens and coastal landscapes.

Overview

Form
Upright
Growth Rate
moderate
Size
1.5–2.5′ tall × 1–1.5′ wide
Dormancy
evergreen

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

Spring

Ground cover

Low spreading plants that carpet the soil.

Succession Role

early successional

Native to the United States

Native Range

California native

Native to: California

Function & Care

erosion controlwildlife benefit

Establishment & Care

Establishment
easy
Maintenance
low
Propagation
seed, division

Notable Cultivars

Pacific Coast Hybrid irises are the most widely grown group, available in lavender, gold, and bicolor forms and bred for improved vigor and extended color range beyond the parent species.