North America Native Plant

Whitewhorl Lupine

Botanical name: Lupinus densiflorus var. densiflorus

USDA symbol: LUDED

Life cycle: annual

Habit: forb

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

Synonyms: Lupinus densiflorus Benth. var. latilabris C.P. Sm. (LUDEL2)  âš˜  Lupinus densiflorus Benth. var. scopulorum C.P. Sm. (LUDES)  âš˜  Lupinus densiflorus Benth. var. stenopetalus C.P. Sm. (LUDES4)  âš˜  Lupinus densiflorus Benth. var. tracyi C.P. Sm. (LUDET)  âš˜  Lupinus microcarpus Sims var. densiflorus (Benth.) Jeps. (LUMID3)  âš˜  Lupinus microcarpus Sims ssp. scopulorum (C.P. Sm.) C.P. Sm. (LUMIS)   

Whitewhorl Lupine: A Charming Native Annual for Pacific Coast Gardens If you’re looking to add a touch of delicate beauty to your native plant garden, whitewhorl lupine (Lupinus densiflorus var. densiflorus) might just be the perfect addition. This charming annual wildflower brings a unique architectural quality to gardens with its ...

Whitewhorl Lupine: A Charming Native Annual for Pacific Coast Gardens

If you’re looking to add a touch of delicate beauty to your native plant garden, whitewhorl lupine (Lupinus densiflorus var. densiflorus) might just be the perfect addition. This charming annual wildflower brings a unique architectural quality to gardens with its distinctive tiered flower arrangement and easy-going nature.

What Makes Whitewhorl Lupine Special?

Whitewhorl lupine stands out from its showier lupine cousins with its more subtle, refined appearance. As an annual forb, this native wildflower produces small white to pale pink flowers arranged in distinctive whorled clusters around the stem, creating an eye-catching tiered effect that adds vertical interest to any planting.

Unlike woody plants, this lupine lacks significant woody tissue and completes its entire life cycle in a single growing season. But don’t let its annual nature fool you – when conditions are right, whitewhorl lupine can self-seed and return year after year, creating natural drifts of blooms.

Where Does It Call Home?

This Pacific Coast native has made itself at home across a relatively compact but diverse range. You’ll find whitewhorl lupine growing naturally from British Columbia down through Washington, Oregon, and California. Its native status across both Canada and the lower 48 states makes it an excellent choice for gardeners wanting to support local ecosystems.

Why Your Garden (and Local Wildlife) Will Love It

Whitewhorl lupine isn’t just a pretty face – it’s a hardworking member of the garden community. Here’s why it deserves a spot in your landscape:

  • Pollinator magnet: The nectar-rich flowers attract bees, butterflies, and other native pollinators throughout the blooming season
  • Low maintenance: Once established, this tough little annual requires minimal care and can handle poor soils
  • Drought tolerant: Perfect for water-wise gardens and areas with dry summers
  • Self-seeding: Creates natural, evolving displays that change slightly each year
  • Native plant gardens: Fits beautifully into wildflower meadows and naturalized landscapes

Perfect Garden Companions

Whitewhorl lupine shines in native plant gardens, wildflower meadows, and coastal landscapes. It pairs beautifully with other Pacific Coast natives and works particularly well in naturalized areas where its self-seeding habit can create stunning spontaneous displays. Consider it for areas where you want seasonal color without the commitment of perennial maintenance.

Growing Your Own Whitewhorl Lupine

The good news? This lupine is refreshingly easy to grow. Here’s how to give it the best start:

Planting Tips

  • Timing: Direct seed in fall or early spring for best results
  • Location: Choose a spot with full sun to partial shade
  • Soil: Well-drained soil is essential – this plant doesn’t like wet feet
  • Zones: Thrives in USDA zones 8-10

Care and Maintenance

Once your whitewhorl lupine is established, it’s remarkably self-sufficient. Water occasionally during dry spells, but avoid overwatering as this can lead to problems. The plant tolerates poor soils well and actually prefers lean conditions over rich, heavily fertilized ground.

If you want to encourage self-seeding, simply let some flowers go to seed at the end of the growing season. The plant will often take care of the rest, creating new populations in suitable spots throughout your garden.

Is Whitewhorl Lupine Right for Your Garden?

This native annual is an excellent choice for gardeners who:

  • Want to support local pollinators and wildlife
  • Prefer low-maintenance, drought-tolerant plants
  • Enjoy the surprise of self-seeding annuals
  • Are creating native plant gardens or naturalized areas
  • Live within its natural range and want to grow truly local plants

While whitewhorl lupine may not provide the bold, dramatic impact of some garden favorites, its subtle charm and ecological benefits make it a valuable addition to Pacific Coast gardens. Plus, there’s something deeply satisfying about growing a plant that belongs exactly where you’re planting it – a true local native that supports the web of life right outside your door.

Whitewhorl 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 densiflorus Benth. - whitewhorl lupine

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