North America Native Plant

Artist’s Popcornflower

Botanical name: Plagiobothrys chorisianus

USDA symbol: PLCH

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Artist’s Popcornflower: A Rare California Wetland Gem Worth Protecting If you’re passionate about California’s native flora and have a thing for unique wetland plants, let me introduce you to a botanical treasure that’s as charming as it is challenging to grow: artist’s popcornflower (Plagiobothrys chorisianus). This delicate annual might not ...

Rare plant alert!

Region: Conservation status by state

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

Artist’s Popcornflower: A Rare California Wetland Gem Worth Protecting

If you’re passionate about California’s native flora and have a thing for unique wetland plants, let me introduce you to a botanical treasure that’s as charming as it is challenging to grow: artist’s popcornflower (Plagiobothrys chorisianus). This delicate annual might not be the showiest plant in your garden, but it’s got a story worth telling and a conservation status that makes it truly special.

What Makes Artist’s Popcornflower Special?

Artist’s popcornflower is a native California annual that belongs to the borage family. This herbaceous forb produces clusters of tiny white flowers that emerge in coiled formations – a classic characteristic of its plant family. The flowers might be small, but they’re perfectly formed and have a delicate beauty that’s quite endearing once you know what to look for.

What really sets this plant apart is its rarity. With a Global Conservation Status of S3 (Vulnerable), artist’s popcornflower is considered vulnerable throughout its range. This means there are typically only 21 to 100 known occurrences, making it a plant that serious native plant enthusiasts should know about.

Where Does It Call Home?

Artist’s popcornflower is exclusively native to California, where it has carved out a very specific niche in the state’s diverse ecosystems. You won’t find this little beauty just anywhere – it’s particular about where it grows.

A Plant That Loves Getting Its Feet Wet

Here’s where things get interesting (and challenging): artist’s popcornflower is classified as an Obligate Wetland plant in both the Arid West and Western Mountains, Valleys, and Coast regions. This means it almost always occurs in wetlands and has very specific water requirements that can be tricky to replicate in a typical home garden.

This annual thrives in seasonal wetland conditions – think vernal pools and areas that flood during winter and spring, then dry out during California’s characteristic dry summer months. It’s perfectly adapted to this boom-and-bust water cycle that defines so much of California’s unique ecology.

Should You Grow Artist’s Popcornflower?

This is where I need to be completely honest with you. While artist’s popcornflower is absolutely worth celebrating and protecting, it’s not your typical garden plant. Here’s what you need to consider:

The Conservation Angle

Given its vulnerable status, if you’re interested in growing artist’s popcornflower, it’s crucial to source seeds or plants only from reputable native plant nurseries or conservation organizations that use responsibly collected material. Never collect from wild populations – these plants need all the help they can get to maintain their numbers in nature.

The Growing Challenge

This plant requires very specific conditions that are difficult to replicate:

  • Seasonal flooding followed by complete drying
  • Clay soils that hold water during wet periods
  • Full sun exposure
  • California’s Mediterranean climate (USDA zones 8-10)

Unless you have a constructed wetland, rain garden, or are involved in habitat restoration, artist’s popcornflower probably isn’t suited for typical garden conditions.

Perfect for Specialized Gardens

If you do have the right conditions, artist’s popcornflower can be a wonderful addition to:

  • Wetland restoration projects
  • Vernal pool recreations
  • Specialized rain gardens with clay basins
  • Native plant collections focused on rare species
  • Educational gardens showcasing California’s unique ecosystems

Wildlife Benefits

While small, the flowers of artist’s popcornflower provide nectar for native bees and other small pollinators during its blooming period. As part of the broader wetland ecosystem, it also contributes to the complex web of relationships that support California’s specialized wetland wildlife.

The Bottom Line

Artist’s popcornflower is more of a conservation plant than a typical garden specimen. If you’re drawn to rare natives and have the specific conditions it requires, growing this vulnerable species can be a meaningful way to contribute to its preservation. Just remember to source responsibly and consider it part of a larger commitment to protecting California’s unique wetland habitats.

For most gardeners, appreciating artist’s popcornflower might mean supporting wetland conservation efforts or visiting preserved vernal pool habitats during wildflower season. Sometimes the best way to love a plant is to help protect the wild places where it naturally thrives.

Artist’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 chorisianus (Cham.) I.M. Johnst. - artist'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