North America Native Plant

Sutherland’s Larkspur

Botanical name: Delphinium sutherlandii

USDA symbol: DESU7

Life cycle: perennial

Habit: forb

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

Sutherland’s Larkspur: A Pacific Northwest Native Worth Knowing If you’re a native plant enthusiast exploring the wild flora of the Pacific Northwest, you may have encountered the name Sutherland’s larkspur (Delphinium sutherlandii). This native perennial represents one of the more elusive members of the delphinium family, and while it may ...

Sutherland’s Larkspur: A Pacific Northwest Native Worth Knowing

If you’re a native plant enthusiast exploring the wild flora of the Pacific Northwest, you may have encountered the name Sutherland’s larkspur (Delphinium sutherlandii). This native perennial represents one of the more elusive members of the delphinium family, and while it may not be as well-documented as its showier garden cousins, it holds its own special place in the region’s botanical tapestry.

What Is Sutherland’s Larkspur?

Sutherland’s larkspur is a native perennial forb—essentially a non-woody flowering plant that returns year after year. As a member of the buttercup family, it shares the characteristic spurred flowers that make delphiniums instantly recognizable. This herbaceous perennial lacks significant woody tissue above ground, instead dying back to its roots each winter and emerging fresh each growing season.

Where Does It Grow?

This native beauty calls the Pacific Northwest home, with documented populations in British Columbia, Idaho, Montana, and Washington. Its range suggests an affinity for the cooler, mountainous regions where many of our most cherished native wildflowers thrive.

Should You Grow Sutherland’s Larkspur?

Here’s where things get interesting—and a bit challenging. While Sutherland’s larkspur is undoubtedly a legitimate native species, detailed horticultural information about growing this particular delphinium is surprisingly scarce. This isn’t necessarily a bad thing; it simply means you’re venturing into less-traveled gardening territory.

The Honest Truth About Growing This Plant

If you’re drawn to the idea of growing Sutherland’s larkspur, you’ll need to embrace a bit of botanical detective work. The limited available cultivation information means you’ll be relying on general delphinium growing principles and observing how similar native species behave in your specific conditions.

General Growing Considerations

While specific details for Delphinium sutherlandii are limited, most Pacific Northwest native delphiniums share some common preferences:

  • Cool, moist conditions during the growing season
  • Well-draining soil to prevent root rot during winter months
  • Protection from intense afternoon sun in warmer climates
  • Consistent moisture without waterlogging

Alternative Native Options

If you’re specifically interested in native delphiniums for your Pacific Northwest garden, you might consider these better-documented alternatives:

  • Low larkspur (Delphinium nuttallianum) – widely available and well-suited to rock gardens
  • Columbia larkspur (Delphinium trolliifolium) – excellent for woodland gardens
  • Tall larkspur (Delphinium glaucum) – dramatic height for back-of-border plantings

The Bottom Line

Sutherland’s larkspur represents the fascinating world of native plants that exist somewhat outside the typical horticultural mainstream. While growing this specific species may require patience and experimentation, it offers the reward of cultivating something truly unique in your garden. If you do decide to pursue it, consider connecting with local native plant societies or botanical gardens—they may have insights or even seed sources that aren’t widely available.

Sometimes the most rewarding garden adventures begin with the plants that don’t come with detailed instruction manuals. Just remember to source any plant material responsibly and be prepared for a bit of trial and learning along the way.

Sutherland’s 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 sutherlandii Warnock - Sutherland's larkspur

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