North America Native Plant

Silvery Lupine

Botanical name: Lupinus argenteus argenteus var. argenteus

USDA symbol: LUARA11

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Lupinus argenteus Pursh var. decumbens (Torr.) S. Watson (LUARD)  âš˜  Lupinus corymbosus A. Heller (LUCO9)  âš˜  Lupinus decumbens Torr. (LUDE10)  âš˜  Lupinus foliosus (Torr. & A. Gray) Nutt. ex Hook. (LUFO3)  âš˜  Lupinus garrettianus C.P. Sm. (LUGA4)  âš˜  Lupinus laxiflorus Douglas ex Lindl. var. corymbosus (A. Heller) Jeps. (LULAC4)  âš˜  Lupinus laxiflorus Douglas ex Lindl. var. foliosus Torr. & A. Gray (LULAF)  âš˜  Lupinus sitgreavesii S. Watson (LUSI)   

Silvery Lupine: A Shimmering Native Beauty for Your Western Garden If you’re looking to add a touch of silvery elegance to your native plant garden, silvery lupine (Lupinus argenteus argenteus var. argenteus) might just be your new best friend. This stunning perennial wildflower brings both beauty and ecological benefits to ...

Silvery Lupine: A Shimmering Native Beauty for Your Western Garden

If you’re looking to add a touch of silvery elegance to your native plant garden, silvery lupine (Lupinus argenteus argenteus var. argenteus) might just be your new best friend. This stunning perennial wildflower brings both beauty and ecological benefits to landscapes across the American West, making it a fantastic choice for gardeners who want to create habitat while enjoying gorgeous blooms.

What Makes Silvery Lupine Special?

Silvery lupine is a true native treasure, naturally occurring across an impressive range of 16 western states including Arizona, California, Colorado, Idaho, Kansas, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Utah, Washington, and Wyoming. This wide distribution tells us something important: this plant is incredibly adaptable and resilient.

As a member of the legume family, silvery lupine has a special superpower – it can actually improve your soil by fixing nitrogen through a symbiotic relationship with beneficial bacteria in its roots. Talk about a plant that gives back!

The Look and Feel

Don’t let the scientific classification of forb herb fool you into thinking this plant is boring. Silvery lupine earned its common name from its distinctive silvery-green foliage that catches sunlight beautifully throughout the growing season. The plant produces tall spikes of flowers that typically range from blue to purple, creating stunning vertical accents in any garden design.

As a perennial, you can count on this lupine to return year after year once established, making it an excellent investment for long-term garden planning.

Perfect Garden Roles

Silvery lupine shines in several garden scenarios:

  • Native plant gardens: Creates authentic regional landscapes
  • Xeriscaping projects: Thrives with minimal water once established
  • Wildflower meadows: Adds structure and color variety
  • Naturalized areas: Perfect for low-maintenance landscape zones
  • Pollinator gardens: Attracts beneficial insects

Growing Conditions and Care

One of the best things about silvery lupine is its relatively easygoing nature. Here’s what this native beauty prefers:

Sunlight: Full sun exposure will give you the best flowering and most compact growth.

Soil: Well-draining soil is essential – lupines generally don’t appreciate having wet feet. They’re quite tolerant of poor soils, which makes sense given their wide natural range.

Water: Once established, silvery lupine is quite drought tolerant, making it perfect for water-wise gardening approaches.

Climate: This variety is generally hardy across USDA zones 3-8, though specific hardiness can vary based on your exact location within its native range.

Planting and Care Tips

Getting started with silvery lupine doesn’t have to be complicated:

  • Timing: Plant seeds in fall for natural stratification, or start with nursery plants in spring
  • Spacing: Give plants adequate room to spread – lupines don’t like to be crowded
  • Establishment: Water regularly during the first growing season, then reduce watering as the plant establishes
  • Maintenance: Deadhead spent flowers to encourage continued blooming, though leaving some seed heads can provide food for birds

Wildlife and Pollinator Benefits

While specific wildlife benefits for this particular variety aren’t well-documented, lupines in general are fantastic for supporting local ecosystems. The flowers attract various pollinators, including native bees and butterflies, while the seeds can provide food for birds and small mammals.

Should You Plant Silvery Lupine?

If you live within its native range and are looking for a low-maintenance, drought-tolerant perennial that supports local wildlife, silvery lupine is definitely worth considering. It’s particularly valuable for gardeners interested in:

  • Reducing water usage in their landscapes
  • Supporting native plant communities
  • Creating habitat for pollinators and wildlife
  • Adding unique texture and color to their gardens

The main consideration is ensuring you have well-draining soil and adequate space for the plant to establish. Like many natives, silvery lupine performs best when you work with its natural preferences rather than against them.

By choosing silvery lupine for your garden, you’re not just adding a beautiful plant – you’re participating in the preservation and celebration of America’s native plant heritage. And really, what could be better than that?

Silvery 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 argenteus Pursh - silvery lupine

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