North America Native Plant

Scouler’s Popcornflower

Botanical name: Plagiobothrys scouleri var. scouleri

USDA symbol: PLSCS

Life cycle: annual

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Allocarya californica (Fisch. & C.A. Mey.) Greene (ALCA10)  âš˜  Allocarya granulata Piper (ALGR4)  âš˜  Allocarya scouleri (Hook. & Arn.) Greene (ALSC9)  âš˜  Plagiobothrys granulatus (Piper) I.M. Johnst. (PLGR3)  âš˜  Plagiobothrys reticulatus (Piper) I.M. Johnst. var. rossianorum I.M. Johnst. (PLRER)   

Scouler’s Popcornflower: A Delicate Native Wildflower for Pacific Coast Gardens If you’re looking to add a touch of delicate charm to your native plant garden, Scouler’s popcornflower (Plagiobothrys scouleri var. scouleri) might just be the perfect addition. This petite annual wildflower brings a subtle beauty that’s easy to overlook but ...

Scouler’s Popcornflower: A Delicate Native Wildflower for Pacific Coast Gardens

If you’re looking to add a touch of delicate charm to your native plant garden, Scouler’s popcornflower (Plagiobothrys scouleri var. scouleri) might just be the perfect addition. This petite annual wildflower brings a subtle beauty that’s easy to overlook but impossible to forget once you notice its intricate details.

What Makes Scouler’s Popcornflower Special

Scouler’s popcornflower is a true Pacific Coast native, naturally occurring from British Columbia down through Washington, Oregon, and into California. As an annual forb, this herbaceous plant completes its entire life cycle in a single growing season, making it a reliable self-seeding addition to naturalized garden areas.

The plant gets its charming common name from its small, white flowers that cluster together in distinctive coiled inflorescences that resemble tiny kernels of popped corn. These flowers are arranged in what botanists call a scorpion-tail pattern – the flower clusters curl and uncurl as they bloom, creating an almost whimsical display.

Garden Appeal and Design Uses

While Scouler’s popcornflower may not be the showiest plant in your garden, it offers a quiet elegance that works beautifully in several landscape settings:

  • Native wildflower meadows where its delicate texture adds visual interest
  • Naturalized areas that benefit from low-maintenance, self-seeding plants
  • Restoration projects focused on recreating Pacific Coast plant communities
  • Cottage-style gardens where its informal growth habit feels at home

As a low-growing annual, this popcornflower works well as a seasonal ground cover or filler plant among larger native perennials and shrubs.

Benefits for Wildlife

Don’t let its modest size fool you – Scouler’s popcornflower pulls its weight when it comes to supporting local ecosystems. The small white flowers attract various native pollinators, including small native bees that appreciate the accessible nectar and pollen sources. By choosing native plants like this one, you’re helping to support the intricate web of relationships between local plants and wildlife.

Growing Conditions and Care

One of the best things about Scouler’s popcornflower is its relatively easygoing nature, especially if you can provide conditions similar to its native habitat:

  • Sunlight: Thrives in partial shade to full sun conditions
  • Soil: Prefers consistently moist soil during the growing season
  • Climate: Best suited for USDA hardiness zones 8-10, following Pacific Coast climate patterns
  • Water: Needs regular moisture, especially during germination and early growth

Planting and Propagation Tips

Since Scouler’s popcornflower is an annual, you’ll be starting fresh each year, but the plant often does much of the work for you:

  • Timing: Direct seed in fall or early spring for best results
  • Seeding: Scatter seeds where you want plants to grow, as this species doesn’t transplant well
  • Germination: Keep soil consistently moist until seedlings are established
  • Self-seeding: Allow some plants to go to seed for natural reseeding the following year

Is Scouler’s Popcornflower Right for Your Garden?

This native wildflower is perfect for gardeners who appreciate subtle beauty and want to support local ecosystems. It’s an excellent choice if you’re creating a native plant garden, working on habitat restoration, or simply want to add some authentic Pacific Coast charm to your landscape.

Keep in mind that as an annual, Scouler’s popcornflower will have a relatively short but sweet presence in your garden each year. However, if you allow it to self-seed, you’ll likely be rewarded with new plants appearing naturally in subsequent seasons.

While it may not provide the bold color impact of some showier wildflowers, Scouler’s popcornflower offers something equally valuable: a connection to the native plant communities of the Pacific Coast and a gentle reminder that sometimes the most beautiful things come in small, unassuming packages.

Scouler’s 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