North America Native Plant

Kellogg’s Spurred Lupine

Botanical name: Lupinus caudatus argophyllus

USDA symbol: LUCAA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lupinus aduncus Greene (LUAD3)  âš˜  Lupinus argophyllus (A. Gray) Cockerell (LUAR13)  âš˜  Lupinus argenteus Pursh var. argophyllus (A. Gray) S. Watson (LUARA16)  âš˜  Lupinus caudatus Kellogg var. argophyllus (A. Gray) S.L. Welsh (LUCAA2)  âš˜  Lupinus decumbens Torr. var. argophyllus A. Gray (LUDEA3)  âš˜  Lupinus helleri Greene (LUHE)  âš˜  Lupinus laxiflorus Douglas ex Lindl. var. argophyllus (A. Gray) M.E. Jones (LULAA2)   

Kellogg’s Spurred Lupine: A Silver-Leafed Beauty for Water-Wise Gardens If you’re looking for a drought-tolerant native plant that brings both stunning blooms and unique foliage to your garden, let me introduce you to Kellogg’s spurred lupine (Lupinus caudatus argophyllus). This remarkable perennial is like the silver-haired sage of the lupine ...

Kellogg’s Spurred Lupine: A Silver-Leafed Beauty for Water-Wise Gardens

If you’re looking for a drought-tolerant native plant that brings both stunning blooms and unique foliage to your garden, let me introduce you to Kellogg’s spurred lupine (Lupinus caudatus argophyllus). This remarkable perennial is like the silver-haired sage of the lupine family – wise, beautiful, and perfectly adapted to tough conditions.

Meet Your New Garden Companion

Kellogg’s spurred lupine is a native perennial forb that calls the American West and Great Plains home. As a member of the legume family, this plant is essentially a nitrogen-fixing superhero in your garden, quietly improving soil fertility while putting on a spectacular floral show.

What sets this lupine apart from its green-leafed cousins is its distinctive silvery-white foliage, created by dense, silky hairs that help the plant conserve water – nature’s own brilliant engineering at work!

Where It Calls Home

This hardy native thrives across nine states in the western and central United States, including Arizona, Colorado, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Utah, and Wyoming. It’s perfectly adapted to the challenging conditions of prairies, foothills, and high desert regions.

Why Your Garden (and Local Wildlife) Will Love It

Here’s why Kellogg’s spurred lupine deserves a spot in your landscape:

  • Drought Champion: Once established, this plant laughs in the face of dry spells
  • Pollinator Magnet: Bees and butterflies absolutely adore the nectar-rich purple-blue flower spikes
  • Low Maintenance: Perfect for gardeners who want beauty without the fuss
  • Soil Improver: Those root nodules are busy fixing nitrogen, benefiting neighboring plants
  • Unique Texture: The silvery foliage adds wonderful contrast to your plant palette

Perfect Garden Matches

Kellogg’s spurred lupine shines brightest in:

  • Prairie and meadow gardens
  • Xeriscapes and water-wise landscapes
  • Native plant gardens
  • Naturalistic borders
  • Pollinator gardens

It’s an excellent choice for gardeners in USDA hardiness zones 4-8 who want to create sustainable, low-water landscapes that support local ecosystems.

Growing Your Silver Beauty

The good news? Kellogg’s spurred lupine is refreshingly easy to please:

Light: Full sun is this plant’s happy place – at least 6 hours of direct sunlight daily.

Soil: Well-draining soil is essential. This lupine actually prefers lean, sandy, or rocky soils over rich garden loam. If your soil holds water, consider creating raised beds or adding coarse sand and gravel.

Water: Here’s the beauty – once established (usually after the first year), this plant needs minimal supplemental watering. Deep, infrequent watering is better than frequent shallow drinks.

Planting and Care Tips

Starting from Seed: Fall seeding works best, as the seeds need a cold stratification period over winter. Simply scatter seeds on prepared soil surface in late fall.

Spring Care: In early spring, you might see some winter dieback – that’s normal! New growth will emerge from the base.

Fertilizing: Skip the fertilizer! This nitrogen-fixer actually prefers lean conditions and too much fertility can lead to excessive foliage at the expense of flowers.

Deadheading: If you want to prevent self-seeding, remove spent flower spikes. Otherwise, let nature take its course – you might get some pleasant surprises next season.

A Few Things to Keep in Mind

Like many lupines, Kellogg’s spurred lupine may self-seed if conditions are right. In most garden situations, this is a welcome bonus, but keep an eye on seedlings if you prefer more control over plant placement.

Also, remember that lupines can be toxic to livestock and pets if consumed in large quantities, so plant accordingly if you have grazing animals or curious pets.

The Bottom Line

Kellogg’s spurred lupine is a fantastic choice for gardeners who want to create beautiful, sustainable landscapes that support native wildlife while requiring minimal inputs. Its silvery foliage and purple-blue blooms bring both color and texture to water-wise gardens, and its deep taproot and nitrogen-fixing abilities make it a valuable ecosystem player.

Whether you’re establishing a prairie garden, creating a pollinator haven, or simply want a striking, low-maintenance perennial for your landscape, this native beauty delivers on all fronts. Sometimes the best garden additions are the ones that work with nature rather than against it – and Kellogg’s spurred lupine is a perfect example of that philosophy in action.

Kellogg’s Spurred 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 caudatus Kellogg - tailcup lupine

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