North America Native Plant

Menzies’ Larkspur

Botanical name: Delphinium menziesii

USDA symbol: DEME

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Menzies’ Larkspur: A Pacific Northwest Native That’ll Make Your Garden Sing the Blues (In the Best Way!) If you’re looking for a native plant that brings drama, height, and a stunning splash of blue to your Pacific Northwest garden, let me introduce you to Menzies’ larkspur (Delphinium menziesii). This perennial ...

Menzies’ Larkspur: A Pacific Northwest Native That’ll Make Your Garden Sing the Blues (In the Best Way!)

If you’re looking for a native plant that brings drama, height, and a stunning splash of blue to your Pacific Northwest garden, let me introduce you to Menzies’ larkspur (Delphinium menziesii). This perennial beauty is like nature’s exclamation point – tall, bold, and absolutely captivating when it decides to show off in late spring and early summer.

What Makes Menzies’ Larkspur Special?

This isn’t just another pretty face in the garden world. Menzies’ larkspur is a true Pacific Northwest native, calling British Columbia, Washington, and Oregon home. As a perennial forb – that’s garden-speak for a non-woody herbaceous plant – it returns year after year to grace your landscape with its presence.

The plant produces magnificent spikes of deep blue to purple flowers, each bloom featuring the characteristic spur that gives larkspurs their name. These flower spikes can reach impressive heights of 2 to 6 feet, making them perfect for adding vertical interest to your garden design.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where things get exciting for eco-conscious gardeners. Menzies’ larkspur is a pollinator magnet, attracting:

  • Native bees looking for nectar
  • Butterflies drawn to the vibrant blooms
  • Hummingbirds who can’t resist those deep, spurred flowers

By choosing this native species, you’re not just beautifying your space – you’re supporting the local ecosystem and providing crucial resources for wildlife that evolved alongside this plant.

Perfect Garden Companions and Design Ideas

Menzies’ larkspur shines in several garden settings:

  • Native plant gardens: Pairs beautifully with other Pacific Northwest natives
  • Cottage gardens: Brings that classic, romantic feel with its tall flower spikes
  • Perennial borders: Excellent for back-of-border plantings where its height won’t overshadow shorter plants
  • Wildflower meadows: Adds structure and color to naturalized areas
  • Restoration projects: Helps reestablish native plant communities

Growing Menzies’ Larkspur: The Essentials

Good news for gardeners in USDA zones 4-8 – this beauty is well-suited to a range of climates, though it definitely prefers the cooler, moister conditions it knows and loves from its native habitat.

Creating the Right Conditions

Think Pacific Northwest forest edge when planning your planting spot:

  • Light: Partial shade to full sun (morning sun with afternoon protection is ideal)
  • Soil: Moist, well-draining soil – soggy roots are a no-go
  • Water: Consistent moisture, especially during growing season
  • Space: Give it room to spread and grow to its full potential

Planting and Care Tips for Success

When to Plant: Fall or early spring are your best bets for getting established before the heat of summer.

Ongoing Care:

  • Keep soil consistently moist but not waterlogged
  • Consider staking taller varieties if your garden is windy
  • Cut back spent flower spikes after blooming – you might even get a bonus second flush of flowers
  • Allow some stems to go to seed if you want natural reseeding

A Word of Caution

Like all delphiniums, Menzies’ larkspur contains alkaloids that can be toxic if ingested. Keep this in mind if you have curious pets or small children, and always wear gloves when handling the plant.

The Bottom Line

Menzies’ larkspur is a fantastic choice for Pacific Northwest gardeners who want to embrace native plants while creating stunning visual impact. It’s relatively low-maintenance once established, supports local wildlife, and brings that coveted vertical element to garden design. Plus, there’s something deeply satisfying about growing a plant that truly belongs in your local landscape.

Whether you’re creating a dedicated native plant garden or just want to add some regional character to your perennial border, Menzies’ larkspur deserves serious consideration. Your local pollinators will thank you, and your neighbors will definitely be asking what that gorgeous blue spire is!

Menzies’ Larkspur

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Delphinium L. - larkspur

Species

Delphinium menziesii DC. - Menzies' larkspur

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