North America Native Plant

Great Basin Popcornflower

Botanical name: Plagiobothrys kingii

USDA symbol: PLKI

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Great Basin Popcornflower: A Charming Native Annual for Western Gardens If you’re looking to add a touch of delicate charm to your native plant garden, meet the Great Basin popcornflower (Plagiobothrys kingii). This petite annual might not be the showiest flower in your garden, but what it lacks in size, ...

Great Basin Popcornflower: A Charming Native Annual for Western Gardens

If you’re looking to add a touch of delicate charm to your native plant garden, meet the Great Basin popcornflower (Plagiobothrys kingii). This petite annual might not be the showiest flower in your garden, but what it lacks in size, it makes up for in ecological value and understated beauty.

What Is Great Basin Popcornflower?

Great Basin popcornflower is a native annual forb that belongs to the borage family. As an herbaceous plant without woody tissue, it completes its entire life cycle in a single growing season, producing small clusters of tiny white flowers that give it its whimsical popcornflower name. The delicate blooms really do resemble miniature kernels of popped corn!

Where Does It Grow Naturally?

This native beauty calls the western United States home, naturally occurring across California, Nevada, Oregon, and Utah. It’s perfectly adapted to the unique climate and soil conditions of the Great Basin region, making it an excellent choice for gardeners in these areas who want to work with nature rather than against it.

Why Plant Great Basin Popcornflower?

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

  • Native plant support: By choosing native species, you’re supporting local ecosystems and wildlife
  • Pollinator friendly: The small white flowers attract native bees and other beneficial insects
  • Low maintenance: Once established, it requires minimal care and water
  • Natural fit: It’s already adapted to your local climate conditions
  • Ecological authenticity: Helps restore and maintain natural plant communities

Garden Design and Landscape Uses

Great Basin popcornflower works beautifully in several garden settings:

  • Native plant gardens and restoration projects
  • Xeriscape and drought-tolerant landscapes
  • Wildflower meadows and naturalized areas
  • Rock gardens with well-draining soil
  • As a ground cover in informal settings

While it may not be the star of your garden border, it serves as an excellent supporting player, filling in gaps and providing habitat for beneficial insects.

Growing Conditions and Care

Great Basin popcornflower thrives in conditions that mimic its natural habitat:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils; tolerates poor, rocky, or sandy conditions
  • Water: Low water needs once established; drought tolerant
  • USDA Zones: 4-9, matching its native range

Planting and Care Tips

Growing Great Basin popcornflower is refreshingly straightforward:

  • Seeding: Direct seed in fall for best results, as seeds need winter stratification
  • Soil prep: Ensure good drainage; avoid rich, fertile soils that can cause excessive vegetative growth
  • Watering: Water lightly during establishment, then reduce as the plant matures
  • Maintenance: Minimal maintenance required; allow plants to self-seed for next year’s display

Wildlife and Pollinator Benefits

While small in stature, Great Basin popcornflower punches above its weight when it comes to supporting local wildlife. The tiny flowers provide nectar and pollen for native bees, small butterflies, and other beneficial insects. As the seeds develop, they offer food for small birds and other wildlife.

Is Great Basin Popcornflower Right for Your Garden?

This native annual is perfect for gardeners who:

  • Live within its natural range (California, Nevada, Oregon, Utah)
  • Want to support native ecosystems and pollinators
  • Prefer low-maintenance, drought-tolerant plants
  • Are creating naturalized or wildflower garden areas
  • Value ecological authenticity over flashy blooms

Great Basin popcornflower may not win any awards for showiness, but it offers something far more valuable: a genuine connection to your local landscape and ecosystem. By choosing native plants like this charming annual, you’re not just gardening—you’re participating in conservation and creating habitat right in your own backyard.

Great Basin Popcornflower

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

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Plagiobothrys Fisch. & C.A. Mey. - popcornflower

Species

Plagiobothrys kingii (S. Watson) A. Gray - Great Basin popcornflower

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