North America Native Plant

Longspur Lupine

Botanical name: Lupinus arbustus pseudoparviflorus

USDA symbol: LUARP

Life cycle: perennial

Habit: subshrub

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

Synonyms: Lupinus laxispicatus Rydb. (LULA18)  âš˜  Lupinus laxiflorus Douglas ex Lindl. var. elmerianus C.P. Sm. (LULAE)  âš˜  Lupinus laxiflorus Douglas ex Lindl. var. pseudoparviflorus (Rydb.) C.P. Sm. & H. St. John (LULAP5)  âš˜  Lupinus laxispicatus Rydb. var. whithamii C.P. Sm. (LULAW)  âš˜  Lupinus mucronulatus Howell var. umatillensis C.P. Sm. (LUMUU)  âš˜  Lupinus scheuberae Rydb. (LUSC)   

Longspur Lupine: A Northwestern Native Worth Getting to Know If you’re looking to add authentic Pacific Northwest character to your garden, longspur lupine (Lupinus arbustus pseudoparviflorus) might just be the hidden gem you’ve been seeking. This perennial lupine brings native plant credentials and regional authenticity to landscapes across the northwestern ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Longspur Lupine: A Northwestern Native Worth Getting to Know

If you’re looking to add authentic Pacific Northwest character to your garden, longspur lupine (Lupinus arbustus pseudoparviflorus) might just be the hidden gem you’ve been seeking. This perennial lupine brings native plant credentials and regional authenticity to landscapes across the northwestern United States and southwestern Canada.

What Makes Longspur Lupine Special?

Longspur lupine is a true northwestern native, naturally occurring across an impressive range that includes British Columbia, Idaho, Montana, Nevada, Oregon, and Washington. As a herbaceous perennial, it returns year after year, establishing itself as a reliable part of your native plant community.

This lupine belongs to the forb category – essentially a flowering plant that lacks woody stems but packs plenty of personality. Unlike shrubs or trees, forbs like longspur lupine keep their growing points at or below ground level, allowing them to weather harsh winters and bounce back each spring.

Where Does Longspur Lupine Call Home?

The natural range of longspur lupine spans much of the interior Pacific Northwest, from the mountains of British Columbia down through the western states. This wide distribution suggests it’s a fairly adaptable species within its native range.

Is Longspur Lupine Right for Your Garden?

Here’s where things get interesting – and a bit challenging. Longspur lupine appears to be one of those wonderful native plants that hasn’t quite made it into mainstream cultivation yet. While we know it’s a legitimate native species with a respectable geographic range, detailed growing information remains somewhat elusive.

What we do know makes it appealing:

  • It’s a true native across much of the Pacific Northwest
  • As a perennial, it offers lasting garden value
  • Lupines generally provide excellent wildlife habitat
  • It’s adapted to regional climate conditions

The Challenge (And Opportunity) of Growing Longspur Lupine

If you’re intrigued by longspur lupine, you’ll be joining the ranks of native plant pioneers. This species hasn’t been extensively studied for garden cultivation, which means growing it successfully will require some detective work and experimentation.

Your best bet for success:

  • Connect with local native plant societies in the Pacific Northwest
  • Consult regional botanical gardens and native plant nurseries
  • Look for seeds or plants from reputable native plant sources
  • Study its natural habitat conditions if you can observe it in the wild

A Word About Responsible Sourcing

When working with less common native species like longspur lupine, responsible sourcing becomes especially important. Always purchase from reputable native plant nurseries that propagate their own stock rather than wild-collecting. If you’re fortunate enough to find seeds, make sure they’re legally and ethically obtained.

Why Consider Longspur Lupine?

Despite the cultivation mysteries, there are compelling reasons to consider longspur lupine for northwestern gardens. Native lupines generally offer excellent value for pollinators and wildlife, and they’re perfectly adapted to regional growing conditions once established.

As a native species, longspur lupine has spent thousands of years developing relationships with local insects, birds, and other wildlife. By including it in your landscape, you’re supporting these natural connections and contributing to regional biodiversity.

The Bottom Line

Longspur lupine represents an exciting opportunity for adventurous native plant gardeners in the Pacific Northwest. While it may require more research and patience than your average garden center purchase, the reward of successfully growing a lesser-known native species can be deeply satisfying.

If you’re up for a native plant adventure and have connections to knowledgeable local growers, longspur lupine could become a unique and meaningful addition to your northwestern native garden. Just remember to source responsibly and don’t be afraid to reach out to the native plant community for guidance – that’s part of what makes native gardening such a rewarding journey.

Longspur 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 arbustus Douglas ex Lindl. - longspur lupine

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