North America Native Plant

Torrey’s Blue Eyed Mary

Botanical name: Collinsia torreyi

USDA symbol: COTO

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Torrey’s Blue Eyed Mary: A Charming Native Wildflower for Western Gardens If you’re looking to add a touch of delicate beauty to your native plant garden, Torrey’s blue eyed Mary (Collinsia torreyi) might just be the perfect annual wildflower you’ve been searching for. This charming little native offers lovely blue ...

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 ⚘

Torrey’s Blue Eyed Mary: A Charming Native Wildflower for Western Gardens

If you’re looking to add a touch of delicate beauty to your native plant garden, Torrey’s blue eyed Mary (Collinsia torreyi) might just be the perfect annual wildflower you’ve been searching for. This charming little native offers lovely blue and white blooms that seem to wink at you from the garden bed, making it a delightful addition to any naturalized landscape.

What Makes Torrey’s Blue Eyed Mary Special?

Torrey’s blue eyed Mary is a true native of the American West, naturally occurring in California, Nevada, and Oregon. As an annual forb (that’s gardener-speak for a non-woody flowering plant), it completes its entire life cycle in one growing season, producing those characteristic blue eyes that give the plant its endearing common name.

The flowers are genuinely captivating – small but perfectly formed with blue upper petals and white lower petals that create the appearance of tiny eyes peering up at you. These blooms typically appear in spring, creating carpets of color in their native habitats.

Why Grow Torrey’s Blue Eyed Mary?

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

  • Native plant benefits: Supporting local ecosystems by growing plants that naturally belong in your region
  • Pollinator support: The flowers attract small native bees and other beneficial insects
  • Low maintenance: Once established, it requires minimal care and intervention
  • Natural beauty: Adds authentic wildflower charm to naturalized areas
  • Seasonal interest: Provides lovely spring color when many other plants are just emerging

Where Does It Fit in Your Garden?

Torrey’s blue eyed Mary works beautifully in several garden settings:

  • Native plant gardens and naturalized landscapes
  • Wildflower meadows and prairie-style plantings
  • Understory areas beneath taller native shrubs or trees
  • Rock gardens with good drainage
  • Seasonal container displays featuring native annuals

This plant typically thrives in USDA hardiness zones 8-10, though as an annual, it’s more about having the right growing season than surviving winter temperatures.

Growing Conditions and Care

The good news for busy gardeners is that Torrey’s blue eyed Mary isn’t particularly fussy about its growing conditions. Here’s what it prefers:

  • Light: Partial shade to full sun (some afternoon shade in hot climates is beneficial)
  • Soil: Well-draining soils – it doesn’t like to sit in waterlogged conditions
  • Water: Moderate moisture, especially during the spring growing season
  • Fertilizer: Generally unnecessary – native soils typically provide adequate nutrition

Planting and Care Tips

Getting Torrey’s blue eyed Mary established in your garden is refreshingly straightforward:

  • Timing: Direct seed in fall or early spring for best results
  • Seeding: Scatter seeds lightly over prepared soil and barely cover
  • Watering: Keep soil lightly moist until germination occurs
  • Maintenance: Once established, minimal intervention needed
  • Self-seeding: Allow some plants to set seed for natural reseeding the following year

A Word About Conservation

Torrey’s blue eyed Mary has a somewhat uncertain conservation status, which means it’s important to source your seeds or plants responsibly. Look for reputable native plant nurseries that propagate their stock rather than wild-collecting. This ensures you’re supporting conservation efforts while enjoying this beautiful native in your own garden.

The Bottom Line

Torrey’s blue eyed Mary offers western gardeners a wonderful opportunity to grow a truly native annual that supports local pollinators while adding delicate charm to the landscape. Its undemanding nature and lovely spring blooms make it an excellent choice for anyone looking to incorporate more native plants into their garden palette. Just remember to source your plants responsibly, and you’ll be rewarded with those charming blue eyes brightening your garden each spring.

Torrey’s 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 torreyi A. Gray - Torrey's 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