North America Native Plant

Great Basin Langloisia

Botanical name: Langloisia setosissima

USDA symbol: LASE3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Great Basin Langloisia: A Tiny Desert Gem for Your Native Garden If you’re looking for a petite native wildflower that thrives in challenging desert conditions, let me introduce you to Great Basin langloisia (Langloisia setosissima). This unassuming little annual might not win any height contests, but what it lacks in ...

Great Basin Langloisia: A Tiny Desert Gem for Your Native Garden

If you’re looking for a petite native wildflower that thrives in challenging desert conditions, let me introduce you to Great Basin langloisia (Langloisia setosissima). This unassuming little annual might not win any height contests, but what it lacks in stature, it makes up for in charm and resilience.

What is Great Basin Langloisia?

Great Basin langloisia is a small annual forb native to the southwestern United States. As an herbaceous plant, it lacks woody stems and completes its entire life cycle within a single growing season. Don’t let its diminutive size fool you – this tough little plant has mastered the art of desert survival.

Standing just 2-6 inches tall, this native wildflower produces clusters of tiny white to pale pink flowers that create a delicate carpet across desert landscapes. Its low-growing, spreading habit makes it an excellent ground cover option for those seeking authentic desert garden aesthetics.

Where Does It Grow?

This desert native calls the Great Basin and surrounding regions home, naturally occurring across Arizona, California, Idaho, Nevada, Oregon, and Utah. It’s perfectly adapted to the harsh conditions of these arid landscapes, thriving in areas where many other plants would struggle to survive.

Why Plant Great Basin Langloisia?

There are several compelling reasons to consider adding this native gem to your garden:

  • True native status: As a plant native to the lower 48 states, it supports local ecosystems and wildlife
  • Pollinator support: Despite its small flowers, it attracts native bees and other tiny pollinators that are often overlooked
  • Water-wise gardening: Once established, it requires minimal irrigation – perfect for xeriscaping
  • Authentic desert appeal: Provides genuine regional character to native plant gardens
  • Low maintenance: As an annual adapted to harsh conditions, it largely takes care of itself

Perfect Garden Settings

Great Basin langloisia shines in specific garden types:

  • Desert and xeriscape gardens
  • Rock gardens with well-draining soil
  • Native plant demonstrations
  • Naturalized wildflower areas
  • Ground cover in challenging, dry locations

Growing Conditions and Care

Success with Great Basin langloisia comes from mimicking its natural desert habitat:

Sunlight: Full sun is essential – this plant has evolved for intense desert sunlight

Soil: Well-draining sandy or rocky soil is crucial. Heavy clay or water-retentive soils will likely cause problems

Water: Minimal water once established. Overwatering is more dangerous than underwatering

USDA Hardiness Zones: Suitable for zones 4-9, particularly in arid regions

Planting and Care Tips

Growing Great Basin langloisia successfully requires understanding its natural life cycle:

  • Timing: Direct seed in fall for spring germination and blooming
  • Seeds: This annual relies on seed for reproduction, so allow some plants to complete their cycle
  • Winter chill: Seeds typically require winter cold periods for proper germination
  • Spacing: Plant seeds where you want the final display, as transplanting can be challenging
  • Patience: Germination may be sporadic and depend on favorable weather conditions

Wildlife and Ecological Benefits

While small, Great Basin langloisia plays an important role in its ecosystem. The tiny flowers provide nectar and pollen for native bees and other small pollinators that are crucial for desert plant communities. By including this species in your garden, you’re supporting the intricate web of relationships that make desert ecosystems function.

Is Great Basin Langloisia Right for Your Garden?

This native wildflower is ideal for gardeners who appreciate subtle beauty and want to create authentic regional landscapes. It’s particularly well-suited for those dealing with challenging growing conditions like poor soil, minimal water, and intense sun exposure.

However, if you’re seeking dramatic, showy flowers or plants for humid climates, Great Basin langloisia might not be your best choice. This is a plant for those who love the understated elegance of desert flora and want to support native ecosystems.

With its low-maintenance nature and authentic desert character, Great Basin langloisia offers a wonderful way to connect your garden with the remarkable resilience and beauty of America’s arid landscapes.

Great Basin Langloisia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Langloisia Greene - langloisia

Species

Langloisia setosissima (Torr. & A. Gray ex Torr.) Greene - Great Basin langloisia

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