North America Native Plant

Saffron-flowered Lupine

Botanical name: Lupinus croceus var. pilosellus

USDA symbol: LUCRP

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lupinus pilosellus Eastw. (LUPI5)   

Saffron-Flowered Lupine: A Golden Treasure for California Native Gardens If you’re looking to add a splash of sunshine to your California native garden, the saffron-flowered lupine might just be your golden ticket. This charming perennial brings those classic lupine flower spikes we all love, but with a warm, saffron-yellow twist ...

Rare plant alert!

Region: Conservation status by state

Status: S3T3: 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 ⚘ 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. ⚘

Saffron-Flowered Lupine: A Golden Treasure for California Native Gardens

If you’re looking to add a splash of sunshine to your California native garden, the saffron-flowered lupine might just be your golden ticket. This charming perennial brings those classic lupine flower spikes we all love, but with a warm, saffron-yellow twist that’s sure to brighten any landscape.

Meet the Saffron-Flowered Lupine

Scientifically known as Lupinus croceus var. pilosellus, this delightful native goes by the much more pronounceable common name of saffron-flowered lupine. You might also see it listed under its synonym, Lupinus pilosellus. As a true California native, this perennial forb has been gracing the Golden State’s landscapes long before any of us arrived on the scene.

Where You’ll Find It Growing Wild

The saffron-flowered lupine is a California exclusive – you won’t find this particular variety growing wild anywhere else in the country. It’s perfectly adapted to the unique conditions found throughout various regions of California, from coastal areas to inland foothills.

Why Your Garden (and Local Wildlife) Will Love It

There are several compelling reasons to consider adding this native beauty to your landscape:

  • It’s a true California native, meaning it’s perfectly adapted to local conditions
  • Those sunny yellow flower spikes are absolute bee magnets
  • Once established, it’s quite drought-tolerant – perfect for water-wise gardening
  • It adds vertical interest with its classic lupine flower spikes
  • Supporting native pollinators has never looked so good

A Word About Rarity

Here’s something important to know: the saffron-flowered lupine has a conservation status that means it’s not super common in the wild. If you decide to grow this beauty, please make sure you’re getting your plants or seeds from reputable, responsible sources. Never collect from wild populations – let’s keep this golden treasure thriving in its natural habitat while also enjoying it in our gardens.

Perfect Garden Roles

This lupine works wonderfully in several garden settings:

  • Native plant gardens where it can shine alongside other California natives
  • Drought-tolerant landscapes that need a pop of color
  • Pollinator gardens where bees and butterflies are the VIP guests
  • Naturalized areas where you want that wild meadow look

Growing Your Saffron-Flowered Lupine

Like most California natives, this lupine appreciates conditions that mimic its natural habitat. Here’s what it’s looking for:

Climate Needs: This plant thrives in USDA hardiness zones 8-10, which covers most of California perfectly.

Sun and Soil: Give it a spot with full sun to partial shade and well-draining soil. It’s not particularly fussy about soil type, but good drainage is non-negotiable – soggy roots are not its friend.

Water Wisdom: While it needs regular water to get established, once your lupine has settled in, it becomes quite drought-tolerant. This makes it perfect for those hot, dry California summers.

Planting and Care Tips

Getting your saffron-flowered lupine off to a good start is pretty straightforward:

  • Plant in spring when the soil has warmed up
  • If starting from seed, consider scarifying (lightly scratching) the seed coat to improve germination
  • Water regularly during the first growing season to help establish roots
  • Once established, water deeply but infrequently
  • Deadhead spent flowers to encourage more blooms
  • Allow some seed pods to mature if you want to collect seeds or let it self-sow

The Bottom Line

The saffron-flowered lupine is a wonderful choice for California gardeners who want to support native ecosystems while adding gorgeous color to their landscapes. Just remember to source it responsibly given its conservation status, and you’ll have a beautiful, low-maintenance perennial that both you and local wildlife will absolutely love. Those golden flower spikes are practically guaranteed to make you smile every time you see them!

Saffron-flowered 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 croceus Eastw. - saffron-flowered lupine

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