North America Native Plant

Spinster’s Blue Eyed Mary

Botanical name: Collinsia sparsiflora

USDA symbol: COSP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Spinster’s Blue Eyed Mary: A Charming Native Annual for Pacific Coast Gardens If you’re looking for a delicate, cottage garden-style flower that’s actually native to the Pacific Coast, meet spinster’s blue eyed Mary (Collinsia sparsiflora). This charming little annual brings old-world charm to your garden while supporting local ecosystems – ...

Spinster’s Blue Eyed Mary: A Charming Native Annual for Pacific Coast Gardens

If you’re looking for a delicate, cottage garden-style flower that’s actually native to the Pacific Coast, meet spinster’s blue eyed Mary (Collinsia sparsiflora). This charming little annual brings old-world charm to your garden while supporting local ecosystems – a perfect combination for the conscious gardener.

What is Spinster’s Blue Eyed Mary?

Spinster’s blue eyed Mary is a native annual forb that produces clusters of small, snapdragon-like flowers in lovely shades of blue and white. As an herbaceous plant without woody stems, it completes its entire life cycle in one growing season, making it a perfect choice for gardeners who enjoy seasonal variety and natural succession in their landscapes.

Where Does It Grow Naturally?

This native beauty calls the Pacific Coast home, naturally occurring in California, Oregon, and Washington. As a plant native to the lower 48 states, it has evolved alongside local wildlife and growing conditions, making it a smart choice for sustainable gardening practices.

Why Plant Spinster’s Blue Eyed Mary?

There are several compelling reasons to include this native annual in your garden:

  • Supports local pollinators: The flowers attract small native bees and other beneficial insects, contributing to healthy local ecosystems
  • Low maintenance: As a native plant, it’s naturally adapted to local conditions and requires minimal care once established
  • Self-seeding: This annual readily self-seeds, creating natural drifts and ensuring continued blooms year after year
  • Cottage garden appeal: The delicate flowers add a romantic, informal touch to garden designs
  • Spring ephemeral beauty: Provides early season color when many other plants are just emerging

Garden Design and Landscape Use

Spinster’s blue eyed Mary shines in several garden settings. It’s particularly well-suited for:

  • Native plant gardens where you want to showcase regional flora
  • Wildflower meadows and naturalized areas
  • Woodland gardens with dappled light
  • Cottage-style gardens seeking authentic charm
  • Areas where you want low-maintenance seasonal color

Growing 6-24 inches tall with a spreading habit, it works beautifully as a groundcover or filler plant among taller perennials and shrubs.

Growing Conditions and Care

One of the best things about native plants is their adaptability to local conditions. Spinster’s blue eyed Mary thrives in USDA hardiness zones 8-10, which corresponds perfectly with its native Pacific Coast range.

For optimal growth, provide:

  • Light: Partial shade to full sun (morning sun with afternoon shade is ideal)
  • Soil: Well-draining soil that doesn’t stay soggy
  • Water: Cool, moist conditions in spring; can tolerate some drought as it matures
  • Temperature: Prefers the mild, moist springs typical of its native range

Planting and Care Tips

Growing spinster’s blue eyed Mary is refreshingly straightforward:

  • Seeding: Direct seed in fall or early spring when soil is naturally moist
  • Spacing: Scatter seeds naturally or space about 6-8 inches apart
  • Watering: Water gently until established, then rely on natural rainfall in most Pacific Coast locations
  • Maintenance: Minimal care required – let it complete its natural cycle and self-seed for next year
  • Harvesting seeds: If you want to collect seeds for other areas, gather them as flowers fade but before pods split open

The Bottom Line

Spinster’s blue eyed Mary offers Pacific Coast gardeners the perfect combination of beauty, ecological value, and ease of care. Its delicate flowers bring cottage garden charm while supporting local pollinators and maintaining authentic regional character. For gardeners seeking low-maintenance natives that provide seasonal interest and wildlife benefits, this charming annual deserves a spot in your landscape.

Whether you’re creating a dedicated native plant garden or simply want to add some regional authenticity to your existing landscape, spinster’s blue eyed Mary proves that native doesn’t mean sacrificing beauty – it means embracing the unique character of your local ecosystem.

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