North America Native Plant

Sleeping Popcornflower

Botanical name: Plagiobothrys scouleri var. hispidulus

USDA symbol: PLSCH

Life cycle: annual

Habit: forb

Native status: Probably non-native, reproduces and persists in the wild in Alaska ⚘ Native to Canada ⚘ Native to the lower 48 states  

Synonyms: Allocarya cognata Greene (ALCO10)  ⚘  Allocarya hispidula Greene (ALHI5)  ⚘  Allocarya scopulorum Greene (ALSC7)  ⚘  Plagiobothrys cognatus (Greene) I.M. Johnst. (PLCO10)  ⚘  Plagiobothrys hispidulus (Greene) I.M. Johnst. (PLHI7)  ⚘  Plagiobothrys nelsonii (Greene) I.M. Johnst. (PLNE2)  ⚘  Plagiobothrys scopulorum (Greene) I.M. Johnst. (PLSC)  ⚘  Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. var. penicillatus (Greene) Cronquist (PLSCP)  ⚘  Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. ssp. penicillatus (Greene) Á. Löve (PLSCP2)   

Sleeping Popcornflower: A Tiny Native Gem for Moist Gardens Meet the sleeping popcornflower (Plagiobothrys scouleri var. hispidulus), a charming little annual that might just be the understated star your native garden has been waiting for. Don’t let its humble appearance fool you – this petite wildflower packs a surprising punch ...

Sleeping Popcornflower: A Tiny Native Gem for Moist Gardens

Meet the sleeping popcornflower (Plagiobothrys scouleri var. hispidulus), a charming little annual that might just be the understated star your native garden has been waiting for. Don’t let its humble appearance fool you – this petite wildflower packs a surprising punch when it comes to supporting local ecosystems and filling those tricky moist spots in your landscape.

What Makes Sleeping Popcornflower Special?

This delicate annual forb belongs to the borage family and produces clusters of tiny white flowers that curl in characteristic coiled arrangements. As an annual plant, sleeping popcornflower completes its entire life cycle in one growing season, making it a perfect choice for gardeners who enjoy seasonal variety and natural succession in their landscapes.

Where Does It Call Home?

Sleeping popcornflower boasts an impressively wide native range across North America. You’ll find this adaptable plant naturally occurring from the Canadian provinces of Alberta, British Columbia, Manitoba, New Brunswick, Ontario, Quebec, Saskatchewan, and Yukon, all the way down through numerous U.S. states including Alaska, Arizona, California, Colorado, Idaho, Illinois, Maine, Minnesota, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, Pennsylvania, South Dakota, Utah, Washington, Wisconsin, and Wyoming.

Garden Personality and Design Role

Think of sleeping popcornflower as nature’s own ground-hugging carpet. This low-growing annual works beautifully as:

  • A delicate filler in native wildflower gardens
  • Seasonal interest in naturalized areas
  • A moisture-loving companion for bog gardens or rain gardens
  • An early-season bloomer in restoration projects

The Perfect Garden Match

Sleeping popcornflower thrives in gardens that mimic its natural wetland preferences. It’s particularly well-suited for:

  • Native plant gardens focused on regional flora
  • Wildflower meadows with consistent moisture
  • Rain gardens and bioswales
  • Restoration projects in wetland areas
  • Cool-season annual displays

Growing Conditions That Make It Happy

As a facultative wetland plant across all regions where it grows, sleeping popcornflower has a strong preference for moist conditions, though it can tolerate some drying. This adaptable annual typically prefers:

  • Consistently moist to wet soils
  • Full sun to partial shade
  • Cool, humid conditions during its growing season
  • Areas with natural water retention or supplemental irrigation

Given its extensive range from Alaska to the Southwest, sleeping popcornflower adapts to USDA hardiness zones 3-9, making it accessible to gardeners across most of North America.

Planting and Care Tips

Growing sleeping popcornflower successfully is refreshingly straightforward:

  • Seeding: Direct sow seeds in fall or early spring when soil temperatures are cool
  • Soil prep: Ensure good moisture retention – amend heavy clay or sandy soils as needed
  • Watering: Maintain consistent moisture throughout the growing season
  • Maintenance: Minimal care required once established – just ensure adequate water
  • Succession: Allow some plants to self-seed for natural colony establishment

Supporting Pollinators and Wildlife

While sleeping popcornflower’s flowers may be tiny, they’re perfectly sized for small native pollinators. These delicate blooms provide nectar and pollen for various small bees, beneficial insects, and other pollinators that might be overlooked by larger, showier flowers. As a native species, it also contributes to the complex web of relationships that support local ecosystems.

Should You Plant Sleeping Popcornflower?

If you’re looking to create authentic native habitat, have naturally moist conditions, or want to support a diverse range of pollinators, sleeping popcornflower could be an excellent addition to your garden. Its wide native range means it’s likely well-adapted to your local conditions if you’re within its natural distribution.

However, keep in mind that this is a subtle plant – it won’t provide bold color or dramatic focal points. Instead, it offers the quiet beauty of native wildflowers and the satisfaction of supporting local ecosystems with truly indigenous plants.

For gardeners seeking alternatives or companions, consider other native moisture-loving annuals from your region that share similar growing requirements and ecological benefits.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Alaska

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Eastern Mountains and Piedmont

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Great Plains

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Midwest

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Northcentral & Northeast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Sleeping 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 scouleri (Hook. & Arn.) I.M. Johnst. - Scouler's popcornflower

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