North America Native Plant

Desertmountain Blue Eyed Mary

Botanical name: Collinsia callosa

USDA symbol: COCA3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Desertmountain Blue Eyed Mary: A Hidden Gem for Western Native Gardens If you’re looking to add a splash of delicate blue and white to your native plant garden, desertmountain blue eyed Mary might just be the charming annual wildflower you’ve been searching for. This petite beauty brings old-fashioned cottage garden ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Desertmountain Blue Eyed Mary: A Hidden Gem for Western Native Gardens

If you’re looking to add a splash of delicate blue and white to your native plant garden, desertmountain blue eyed Mary might just be the charming annual wildflower you’ve been searching for. This petite beauty brings old-fashioned cottage garden vibes to desert and mountain landscapes across the American Southwest.

What Is Desertmountain Blue Eyed Mary?

Collinsia callosa, commonly known as desertmountain blue eyed Mary, is a native annual forb that calls California and Nevada home. As a member of the snapdragon family, this herbaceous wildflower produces clusters of small, bicolored flowers that look like tiny faces peering up from the garden. The blue eyed part of its name comes from the distinctive blue upper petals that contrast beautifully with white lower petals.

This native plant grows naturally across California and Nevada, where it thrives in the challenging conditions of desert regions and lower mountain slopes.

Why Grow Desertmountain Blue Eyed Mary?

There are several compelling reasons to consider adding this native annual to your garden:

  • True native plant: Supporting local ecosystems by growing plants that belong in your region
  • Low maintenance: Once established, it requires minimal care and water
  • Pollinator magnet: Attracts native bees and other beneficial insects
  • Natural beauty: Provides delicate, cottage garden-style blooms in challenging climates
  • Self-seeding: Will naturalize in suitable conditions, creating effortless wildflower displays

A Word About Conservation

Before you start planning your blue eyed Mary garden, there’s something important to know. This species has a conservation status that suggests it may be somewhat uncommon in parts of its range. If you decide to grow desertmountain blue eyed Mary, make sure you source seeds or plants from reputable native plant suppliers who collect responsibly. Never collect from wild populations.

Garden Design and Landscape Uses

Desertmountain blue eyed Mary shines in several garden settings:

  • Native wildflower gardens: Perfect for naturalized plantings
  • Rock gardens: Thrives in well-draining, gravelly conditions
  • Desert landscapes: Adds seasonal color to xeriscaped yards
  • Pollinator gardens: Provides nectar for native bees and beneficial insects
  • Spring ephemeral displays: Creates beautiful temporary shows of color

Growing Conditions and Care

This desert native is surprisingly easy to grow when you match its preferred conditions:

Sunlight: Full sun to partial shade work well, though it tends to bloom best with morning sun.

Soil: Well-draining soils are absolutely essential. Sandy, gravelly, or rocky soils that mimic its native habitat work best. Heavy clay soils that retain moisture will likely cause problems.

Water: Low water requirements once established. In fact, too much water can be detrimental to this drought-adapted species.

Climate: Best suited for USDA hardiness zones 8-10, matching its native southwestern range.

Planting and Care Tips

Growing desertmountain blue eyed Mary successfully is all about timing and location:

  • When to plant: Direct sow seeds in fall for spring germination, mimicking natural cycles
  • Soil preparation: Ensure excellent drainage by amending heavy soils with sand or gravel
  • Watering: Provide minimal supplemental water; let natural rainfall do most of the work
  • Maintenance: Very little needed once established – this is a true low-maintenance plant
  • Self-seeding: Allow some flowers to go to seed for natural reseeding in following years

Supporting Pollinators and Wildlife

While small in stature, desertmountain blue eyed Mary punches above its weight when it comes to supporting local wildlife. The flowers provide nectar for various native bees and other beneficial insects. As an annual that completes its life cycle quickly, it offers important early-season resources when other plants may not yet be blooming.

Is This Plant Right for Your Garden?

Desertmountain blue eyed Mary is ideal if you:

  • Live in the southwestern United States, particularly California or Nevada
  • Have well-draining soil conditions
  • Want low-maintenance native plants
  • Enjoy delicate, cottage garden-style flowers
  • Are creating habitat for native pollinators

However, this plant might not be the best choice if you have heavy clay soil, live in areas with high humidity, or prefer plants that provide long-lasting color throughout the growing season.

With its charming flowers, low maintenance requirements, and valuable role in supporting native ecosystems, desertmountain blue eyed Mary deserves consideration in western native plant gardens. Just remember to source it responsibly and give it the well-draining conditions it craves for best results.

Desertmountain Blue Eyed Mary

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Collinsia Nutt. - blue eyed Mary

Species

Collinsia callosa Parish - desertmountain blue eyed Mary

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA