North America Native Plant

Summit Lupine

Botanical name: Lupinus apertus

USDA symbol: LUAP

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lupinus andersonii S. Watson var. apertus (A. Heller) C.P. Sm. (LUANA)   

Summit Lupine: A Mountain Jewel for Your Native Garden If you’re looking to add some high-altitude charm to your landscape, summit lupine (Lupinus apertus) might just be the perfect native perennial for your garden. This delightful member of the pea family brings both beauty and ecological benefits to the right ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Summit Lupine: A Mountain Jewel for Your Native Garden

If you’re looking to add some high-altitude charm to your landscape, summit lupine (Lupinus apertus) might just be the perfect native perennial for your garden. This delightful member of the pea family brings both beauty and ecological benefits to the right garden setting, though it’s definitely not a plant for every gardener or every location.

What Makes Summit Lupine Special

Summit lupine is a true native of the American West, naturally occurring in California and Nevada where it graces mountain meadows and rocky slopes. As a perennial forb, it lacks woody stems but returns year after year, producing those classic lupine flower spikes that gardeners love. The plant creates stunning vertical displays with its blue to purple pea-like flowers arranged in eye-catching terminal clusters.

This native species is found growing naturally across California and Nevada, particularly in montane and subalpine regions where it has adapted to challenging mountain conditions.

A Word About Rarity

Before you rush out to plant summit lupine, here’s something important to know: this species has a conservation status that suggests it may be uncommon in parts of its range. If you decide to grow summit lupine, make sure you source your seeds or plants from reputable native plant nurseries that propagate their stock responsibly rather than collecting from wild populations.

Is Summit Lupine Right for Your Garden?

Summit lupine isn’t your typical suburban perennial, and that’s exactly what makes it special for the right gardener. Here’s who should consider this mountain native:

  • Gardeners creating xeriscapes or drought-tolerant landscapes
  • Those designing rock gardens or alpine-style plantings
  • Native plant enthusiasts in appropriate climates
  • Anyone wanting to support local pollinators with native flowers

However, if you’re looking for a lush, high-maintenance perennial for a formal border, summit lupine probably isn’t your best choice. This plant thrives on neglect and prefers conditions that mimic its mountain home.

Growing Conditions and Care

Like many mountain natives, summit lupine has specific preferences that you’ll need to meet for success:

  • Sunlight: Full sun to partial shade, though it performs best with plenty of morning sun
  • Soil: Well-draining soil is absolutely critical – this plant will not tolerate soggy conditions
  • Water: Drought-tolerant once established, requiring minimal supplemental watering
  • Hardiness: Suitable for USDA zones 5-8, handling cold winters but needing protection from extreme heat

Planting and Establishment Tips

Getting summit lupine started can be a bit tricky, but these tips will help ensure success:

  • If starting from seed, scarify the hard seed coat by gently rubbing with sandpaper or nicking with a knife
  • Soak seeds overnight before planting to improve germination
  • Plant in fall for spring germination, or start indoors in late winter
  • Choose a location with excellent drainage – consider raised beds or slopes if your soil tends to stay wet
  • Once established, avoid overwatering or overfertilizing, which can actually harm this adapted native

The Ecological Benefits

Beyond its ornamental value, summit lupine pulls double duty as an ecological powerhouse. Like other lupines, it’s a nitrogen-fixer, meaning it actually improves soil fertility for neighboring plants. The flowers attract native bees, butterflies, and other pollinators, making it a valuable addition to wildlife-friendly gardens.

Design Ideas and Companions

Summit lupine works beautifully in naturalistic landscapes where you want to recreate the feeling of mountain meadows. Pair it with other drought-tolerant natives like penstemons, native grasses, or buckwheats for a cohesive look. The vertical flower spikes provide excellent contrast to mounding or spreading plants, making it a natural choice for adding height and structure to your native plant compositions.

The Bottom Line

Summit lupine is a specialized beauty that rewards the right gardener with stunning flowers and ecological benefits. If you have well-draining soil, live in an appropriate climate zone, and want to create habitat for native pollinators, this mountain native could be a wonderful addition to your landscape. Just remember to source it responsibly and give it the lean, well-drained conditions it craves. With proper placement and minimal care, summit lupine will bring a touch of high-country magic to your garden for years to come.

Summit 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 apertus A. Heller - summit lupine

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