North America Native Plant

Fringed Spineflower

Botanical name: Chorizanthe fimbriata

USDA symbol: CHFI2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Fringed Spineflower: A Delicate California Native Worth Discovering If you’re looking to add some understated charm to your native plant garden, the fringed spineflower (Chorizanthe fimbriata) might just be the perfect little annual you’ve been searching for. This delicate California native may not win any showiest flower contests, but it ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Fringed Spineflower: A Delicate California Native Worth Discovering

If you’re looking to add some understated charm to your native plant garden, the fringed spineflower (Chorizanthe fimbriata) might just be the perfect little annual you’ve been searching for. This delicate California native may not win any showiest flower contests, but it brings its own special brand of subtle beauty to drought-tolerant landscapes.

What Makes Fringed Spineflower Special

The fringed spineflower is a true California original, found naturally in the Central Valley, Sierra Nevada foothills, and some coastal mountain ranges. As an annual forb, it completes its entire life cycle in one growing season, making it a perfect addition to wildflower meadows and naturalized areas where it can self-seed and return year after year.

This native plant grows exclusively in California, where it has adapted to the state’s Mediterranean climate and challenging growing conditions.

A Important Conservation Note

Before we dive into growing tips, here’s something important to know: fringed spineflower has a conservation status that suggests it’s becoming less common in the wild. If you decide to grow this lovely native, please make sure you source your seeds or plants from reputable native plant suppliers who collect responsibly. Never collect seeds from wild populations, as this can harm already vulnerable natural communities.

Garden Appeal and Design Role

Don’t expect bold, showy blooms from fringed spineflower – its beauty lies in delicate details. The tiny white to pink flowers are arranged in small clusters, surrounded by distinctive fringed bracts that give the plant its common name. These intricate little fringe details are what make this plant special to those who take the time to look closely.

This annual works best in:

  • Native plant gardens focused on California flora
  • Drought-tolerant landscape designs
  • Wildflower meadow plantings
  • Restoration projects
  • Specialized collections for native plant enthusiasts

Growing Conditions That Make It Happy

Fringed spineflower is surprisingly easy to please once you understand what it wants – which is basically to be left alone in poor, dry soil! Here’s what this little survivor prefers:

  • Soil: Sandy or gravelly soils with excellent drainage (rich garden soil is actually too much for this plant)
  • Sun: Full sun exposure
  • Water: Minimal water after establishment – summer drought is actually preferred
  • Climate: USDA zones 8-10, adapted to California’s Mediterranean climate patterns

Planting and Care Tips

The key to success with fringed spineflower is remembering that less is more. This plant has evolved to thrive in challenging conditions, so don’t kill it with kindness!

When to plant: Direct seed in fall, allowing natural winter rains to trigger germination. This mimics the plant’s natural life cycle and gives the best results.

Care requirements: Once established, this annual needs virtually no care. Avoid summer watering, fertilizing, or soil amendments. The poorer the soil, the happier your fringed spineflower will be.

What to expect: In suitable conditions, fringed spineflower may self-seed and return the following year, creating a naturalized colony over time.

Supporting California’s Pollinators

While the flowers may be small, they’re perfectly sized for California’s native bees and other small pollinators. By growing fringed spineflower, you’re providing food for these important insects while supporting local biodiversity.

Is Fringed Spineflower Right for Your Garden?

This plant is ideal for gardeners who appreciate subtle beauty and want to support California’s native plant communities. It’s perfect if you’re creating a drought-tolerant landscape or restoration project. However, it might not be the best choice if you prefer bold, showy flowers or formal garden designs.

Remember, growing this somewhat rare native is a small but meaningful way to support California’s natural heritage – just make sure you source it responsibly and let it do what it does best in your garden’s driest, poorest corner!

Fringed Spineflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Chorizanthe R. Br. ex Benth. - spineflower

Species

Chorizanthe fimbriata Nutt. - fringed spineflower

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