North America Native Plant

Whitecrown

Botanical name: Holozonia filipes

USDA symbol: HOFI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Whitecrown: A Mysterious California Native Worth Knowing If you’re a native plant enthusiast always on the lookout for something truly unique, you might want to learn about whitecrown (Holozonia filipes). This perennial California native is one of those plants that flies under the radar – and there might be good ...

Whitecrown: A Mysterious California Native Worth Knowing

If you’re a native plant enthusiast always on the lookout for something truly unique, you might want to learn about whitecrown (Holozonia filipes). This perennial California native is one of those plants that flies under the radar – and there might be good reasons for that.

What Is Whitecrown?

Whitecrown is a perennial forb, which simply means it’s a non-woody flowering plant that comes back year after year. Unlike shrubs or trees, forbs like whitecrown don’t develop thick, woody stems above ground. Instead, they survive winter through underground parts like roots or rhizomes, sending up fresh growth each growing season.

Where Does Whitecrown Grow Naturally?

This plant is a true California native, found exclusively within the Golden State’s borders. As a species native to the lower 48 states, whitecrown has been calling California home long before any of us arrived on the scene.

Growing Conditions and Habitat

Whitecrown typically grows in upland areas rather than wetlands, though it can occasionally pop up in wetter spots. In both California’s arid regions and its mountainous and coastal areas, this plant shows a preference for drier ground – what botanists call facultative upland conditions.

The Challenge with Whitecrown

Here’s where things get interesting (and a bit frustrating): whitecrown is something of a mystery plant in the gardening world. While we know it exists and where it grows naturally, detailed information about its appearance, growing requirements, and garden performance is surprisingly scarce. This could indicate that whitecrown is either:

  • A rare species that’s difficult to find and study
  • A plant that hasn’t caught the attention of horticulturists yet
  • A species that’s challenging to cultivate in garden settings

Should You Try Growing Whitecrown?

If you’re determined to grow whitecrown, proceed with caution and responsibility. The lack of available information suggests this might be a rare or sensitive species. If you do find seeds or plants, make absolutely sure they’re from responsible, ethical sources that don’t impact wild populations.

Given the limited cultivation information available, you might want to consider these well-documented California native alternatives instead:

  • California poppies for sunny, dry spots
  • Ceanothus species for drought-tolerant shrubs
  • Native bunch grasses for groundcover
  • Penstemon species for colorful perennial flowers

The Bottom Line

Whitecrown represents one of those intriguing gaps in our native plant knowledge. While its status as a California native makes it theoretically desirable for native gardens, the lack of horticultural information makes it a challenging choice for most gardeners. Sometimes the most responsible thing we can do for rare or little-known natives is to appreciate them in their natural habitats while choosing better-understood species for our gardens.

If you’re interested in supporting California’s native flora, focus on planting well-documented natives that you can grow successfully, creating habitat that supports the entire ecosystem – including mysterious species like whitecrown that might benefit from the improved habitat you’re creating.

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

Arid West

FACU

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

Western Mountains, Valleys, and Coast

FACU

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

Whitecrown

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Holozonia Greene - holozonia

Species

Holozonia filipes (Hook. & Arn.) Greene - whitecrown

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