North America Native Plant

Suksdorf’s Lupine

Botanical name: Lupinus suksdorfii

USDA symbol: LUSU4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Suksdorf’s Lupine: A Rare Pacific Northwest Native Worth Protecting If you’re passionate about native plants and live in the Pacific Northwest, you might have heard whispers about Suksdorf’s lupine (Lupinus suksdorfii). This stunning perennial forb is one of those special plants that makes you feel like you’re part of an ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Suksdorf’s Lupine: A Rare Pacific Northwest Native Worth Protecting

If you’re passionate about native plants and live in the Pacific Northwest, you might have heard whispers about Suksdorf’s lupine (Lupinus suksdorfii). This stunning perennial forb is one of those special plants that makes you feel like you’re part of an exclusive club – and for good reason. It’s not just beautiful; it’s also quite rare and deserves our attention and protection.

What Makes Suksdorf’s Lupine Special?

Suksdorf’s lupine is a true Pacific Northwest native, calling Oregon and Washington home. Like its lupine cousins, this perennial produces those classic spikes of purple-blue flowers that make your heart skip a beat every spring. The plant grows as a forb – essentially a non-woody flowering plant that dies back each winter and returns from its roots the following growing season.

What sets this lupine apart isn’t just its beauty, but its story. With a Global Conservation Status of S3, Suksdorf’s lupine is considered vulnerable. This means it’s either very rare throughout its range or found only in restricted areas. We’re talking about roughly 21 to 100 occurrences total, making it a true botanical treasure.

Where You’ll Find It

Suksdorf’s lupine grows naturally in Oregon and Washington, thriving in the unique conditions of the Pacific Northwest. If you’re lucky enough to spot one in the wild, consider yourself fortunate – you’re looking at a plant that’s becoming increasingly uncommon in our rapidly changing landscape.

Should You Grow Suksdorf’s Lupine?

Here’s where things get interesting. Yes, you absolutely should consider growing this native beauty – but with an important caveat. Given its vulnerable status, it’s crucial that you only obtain seeds or plants from reputable, responsible sources that don’t harvest from wild populations. Think of it as adopting a rescue pet rather than supporting puppy mills.

Garden Design and Landscape Role

Suksdorf’s lupine shines in:

  • Native plant gardens
  • Wildflower meadows
  • Naturalized landscapes
  • Wildlife-friendly gardens

This lupine works beautifully as part of a Pacific Northwest native plant community, where it can mingle with other regional specialties. Its upright flower spikes add vertical interest, while its palmate leaves provide attractive foliage even when not in bloom.

Growing Conditions and Care

Like many Pacific Northwest natives, Suksdorf’s lupine appreciates:

  • Well-drained soil (absolutely essential – soggy roots are a death sentence)
  • Full sun to partial shade
  • USDA hardiness zones 5-8
  • Minimal water once established (drought tolerant)

The good news? Once established, this lupine is relatively low-maintenance. It’s adapted to the Pacific Northwest’s wet winters and dry summers, so you won’t need to fuss over it constantly.

Planting and Propagation Tips

Growing Suksdorf’s lupine from seed is your best bet, but like most lupines, the seeds have hard coats that need some encouragement. Here’s the secret sauce:

  • Scarify seeds by gently rubbing with sandpaper or nicking with a knife
  • Soak overnight in lukewarm water
  • Direct seed in fall for natural stratification
  • Be patient – lupines can be slow to establish

Wildlife and Pollinator Benefits

Like other lupines, Suksdorf’s lupine is a pollinator magnet. Bees go crazy for those protein-rich pollen spikes, and butterflies appreciate the nectar. By growing this native, you’re not just adding beauty to your garden – you’re supporting the entire web of Pacific Northwest wildlife that has co-evolved with these plants over thousands of years.

The Bottom Line

Suksdorf’s lupine represents something special: a chance to grow a truly rare native plant while contributing to conservation efforts. Yes, you’ll need to be more careful about sourcing, and yes, it might take a bit more patience to establish. But for gardeners who appreciate the unique and want to make a difference, this vulnerable beauty offers rewards that go far beyond mere aesthetics.

Remember, every responsibly grown Suksdorf’s lupine is a small victory for conservation. You’re not just growing a plant – you’re helping preserve a piece of Pacific Northwest heritage for future generations to enjoy.

Suksdorf’s Lupine

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Lupinus L. - lupine

Species

Lupinus suksdorfii B.L. Rob. - Suksdorf's lupine

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