North America Native Plant

Spinster’s Blue Eyed Mary

Botanical name: Collinsia sparsiflora var. sparsiflora

USDA symbol: COSPS

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Spinster’s Blue Eyed Mary: A Charming California Native Annual If you’re looking to add a touch of delicate charm to your California native garden, let me introduce you to one of the state’s lesser-known wildflower gems: spinster’s blue eyed Mary (Collinsia sparsiflora var. sparsiflora). This petite annual might have a ...

Spinster’s Blue Eyed Mary: A Charming California Native Annual

If you’re looking to add a touch of delicate charm to your California native garden, let me introduce you to one of the state’s lesser-known wildflower gems: spinster’s blue eyed Mary (Collinsia sparsiflora var. sparsiflora). This petite annual might have a rather unfortunate common name, but don’t let that fool you – this little beauty is anything but unwanted in the garden!

A True California Native

Spinster’s blue eyed Mary is a proud California native, endemic to the Golden State and naturally occurring nowhere else in the world. As an annual forb – that’s garden-speak for a non-woody flowering plant that completes its life cycle in one year – this species represents the ephemeral beauty that makes California’s wildflower displays so spectacular.

You’ll find this charming wildflower distributed throughout California, particularly in the coastal ranges and foothills where it has adapted to the state’s unique Mediterranean climate.

What Makes It Special

Like other members of the Collinsia genus, spinster’s blue eyed Mary produces distinctive small flowers that look almost like tiny faces peering up at you. The blooms typically feature a combination of blue and white coloring, creating the blue eyed effect referenced in its common name. These delicate flowers may be small, but they pack a visual punch when planted in drifts or allowed to naturalize in wildflower meadows.

Why Grow Spinster’s Blue Eyed Mary?

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

  • True California heritage: As a native species, it’s perfectly adapted to local growing conditions and supports the local ecosystem
  • Pollinator magnet: The small flowers are particularly attractive to native bees and other small pollinators
  • Low maintenance: Once established, it requires minimal care and can self-seed for future seasons
  • Naturalistic beauty: Perfect for wildflower meadows, naturalistic landscapes, and native plant gardens
  • Water-wise: Adapted to California’s dry summers, making it an excellent choice for water-conscious gardeners

Growing Conditions and Care

Spinster’s blue eyed Mary thrives in USDA hardiness zones 8-10, which covers most of California’s gardening regions. Here’s what this native beauty needs to flourish:

Ideal Growing Conditions

  • Light: Partial shade to full sun
  • Soil: Well-drained soils; adaptable to various soil types
  • Water: Moderate water during growing season, drought-tolerant once established
  • Climate: Prefers cool season growth, typical of California’s Mediterranean climate

Planting and Care Tips

Growing spinster’s blue eyed Mary successfully is refreshingly straightforward:

  • Timing: Direct seed in fall for spring blooms, following the plant’s natural cycle
  • Seeding: Scatter seeds directly in the garden where you want them to grow
  • Watering: Provide regular water during the growing season, then reduce as plants mature
  • Maintenance: Minimal care required; allow plants to complete their cycle and drop seeds naturally
  • Self-seeding: Once established, plants will often self-seed, creating natural drifts over time

Garden Design Ideas

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

  • Wildflower meadows and naturalistic landscapes
  • Native California plant gardens
  • Pollinator gardens and bee-friendly spaces
  • Ground cover in partially shaded areas
  • Mixed with other native annuals for seasonal color

The Bottom Line

Despite its rather unflattering common name, spinster’s blue eyed Mary deserves a place in California native gardens. This charming annual offers authentic local beauty, supports native pollinators, and requires minimal care once established. For gardeners looking to create sustainable, water-wise landscapes that celebrate California’s unique flora, this little native annual is definitely worth considering.

Remember, when growing any native plant, it’s always best to source seeds or plants from reputable native plant nurseries to ensure you’re getting true local genetics. Your local California Native Plant Society chapter can be an excellent resource for finding reliable sources and learning more about incorporating natives like spinster’s blue eyed Mary into your garden.

Spinster’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 sparsiflora Fisch. & C.A. Mey. - spinster'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