North America Non-native Plant

Spanish Lupine

Botanical name: Lupinus hispanicus bicolor

USDA symbol: LUHIB

Native status: Not native but doesn't reproduce and persist in the wild

Spanish Lupine: A Mysterious Mediterranean Beauty If you’ve stumbled upon the name Lupinus hispanicus bicolor while researching native plants, you’ve discovered what might be one of gardening’s more elusive characters. Also known as Spanish lupine, this plant presents an interesting puzzle for both botanists and gardeners alike. What Exactly Is ...

Spanish Lupine: A Mysterious Mediterranean Beauty

If you’ve stumbled upon the name Lupinus hispanicus bicolor while researching native plants, you’ve discovered what might be one of gardening’s more elusive characters. Also known as Spanish lupine, this plant presents an interesting puzzle for both botanists and gardeners alike.

What Exactly Is Spanish Lupine?

Spanish lupine (Lupinus hispanicus bicolor) is a member of the legume family, related to the more commonly known lupine species that grace gardens worldwide. However, here’s where things get interesting – comprehensive information about this specific botanical designation is surprisingly scarce in current plant databases and horticultural resources.

This could mean a few things: it might be a regional variety that hasn’t been widely documented, an older botanical name that’s since been reclassified, or perhaps a very specialized form of Spanish lupine that’s rarely encountered in cultivation.

The Mystery of Its Origins

While the name suggests Spanish or Mediterranean origins, the exact native range and geographical distribution of Lupinus hispanicus bicolor remains unclear from available sources. Without reliable distribution data, we cannot provide a map of its natural habitat.

Should You Plant Spanish Lupine?

Given the limited information available about this particular variety, we’d recommend proceeding with caution. Here’s what to consider:

  • Verify the plant source and exact identification before purchasing
  • Consult with local native plant societies or botanical experts
  • Consider well-documented native lupine alternatives for your region
  • If you do obtain this plant, observe and document its characteristics

General Lupine Growing Tips

If you do decide to grow Spanish lupine, most lupines share similar growing preferences:

  • Well-draining soil (lupines hate wet feet)
  • Full sun to partial shade
  • Cool, moist conditions during germination
  • Minimal fertilization (they fix their own nitrogen)
  • Deep taproot means they don’t like transplanting

Alternative Native Options

If you’re drawn to lupines for your garden, consider these better-documented native alternatives depending on your location:

  • Wild lupine (Lupinus perennis) for eastern North America
  • Silvery lupine (Lupinus argenteus) for western regions
  • Sundial lupine (Lupinus perennis) for prairie gardens
  • Local native lupine species specific to your region

The Bottom Line

Spanish lupine (Lupinus hispanicus bicolor) remains something of a botanical mystery. While lupines in general are wonderful additions to native gardens – supporting pollinators and adding vertical interest with their distinctive flower spikes – we’d recommend sticking with well-documented native species for your area until more information about this particular variety becomes available.

If you’re a plant detective who loves a good mystery, Spanish lupine might intrigue you. Just be sure to do your homework and consult local experts before adding it to your garden. Sometimes the most interesting plants are the ones that keep us guessing!

Spanish 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 hispanicus Boiss. & Reut. - Spanish lupine

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