How to Grow and Care for Douglas Iris

Douglas Iris, also known as Pacific Coast Iris, Wild Iris, California Iris

Douglas Iris thrives in coastal environments and prefers cool, shaded areas with well-draining soil. Key care points include ensuring moderate water availability, avoiding waterlogged conditions, and some tolerance to drought once established, making it relatively low-maintenance. Douglas Iris also benefits from occasional removal of spent blooms to promote continued flowering.

Watering schedule: Every week

Sunlight Requirements: Full sun

Toxic to Pets

In This Article

Planting and Growing Douglas Iris

Toughness	High
Care Level	Medium
Care Difficulty	Easy
Lifespan	Perennial
Watering Schedule	Every week
Sunlight Requirements	Full sun
Soil Type	Garden Soil
Soil pH	5.5-6.5
Planting Time	Spring
Hardiness Zones	6-9
Toxicity	Toxic to Pets

A Botanist in Your Pocket

Scan QR code to download

Varieties of Douglas Iris

Irises 'Banbury Beauty'

Irises 'Banbury Beauty' is a unique Pacific Coast Iris noted for its lavender/purple hues. It is an iris hybrid of Amiguita X (I. innominata x I. douglasiana) by Marjorie Brummitt. Irises 'Banbury Beauty' is named for the town of Banbury in Oxfordshire, England where Ms. Brummitt lived. Horticulturalists like that it is deer resistant with long-lasting showy flowers.

Common Pests & Diseases

Feedback

Common issues for Douglas Iris based on 10 million real cases

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free

The Toxicity of Douglas Iris

Feedback

Identify toxic plants in your garden

Find out what’s toxic and what’s safe for humans and pets.

Download the App for Free

More General Info About Douglas Iris

Feedback

Quickly Identify Douglas Iris

Feedback

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Douglas Iris forms dense clumps of graceful, arching foliage roughly 18 inches (45 cm) tall and spreading up to 36 inches (91 cm) wide. The leaves maintain their presence year-round. From spring to early summer, douglas Iris showcases a spectacular display of pale blue flowers, each bloom held aloft on either solitary or branched stalks that may reach 1 to 2 feet in height (30 to 60 cm). The flower's individual coloration ranges from lavender-blue to almost white, with a characteristic form typical of the Iris family.