North America Native Plant

Spoonsepal Spineflower

Botanical name: Chorizanthe obovata

USDA symbol: CHOB4

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Spoonsepal Spineflower: A Delicate California Native Worth Discovering If you’re passionate about California native plants and love discovering botanical gems that most gardeners have never heard of, let me introduce you to the spoonsepal spineflower (Chorizanthe obovata). This charming little annual might not win any showiest flower contests, but it ...

Rare plant alert!

Region: Conservation status by state

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

Spoonsepal Spineflower: A Delicate California Native Worth Discovering

If you’re passionate about California native plants and love discovering botanical gems that most gardeners have never heard of, let me introduce you to the spoonsepal spineflower (Chorizanthe obovata). This charming little annual might not win any showiest flower contests, but it has a quiet beauty and ecological importance that makes it worth considering for the right garden.

What Makes Spoonsepal Spineflower Special?

The spoonsepal spineflower is a true California native, found naturally only within the Golden State. As an annual forb, it completes its entire life cycle in one growing season, sprouting, blooming, setting seed, and dying back each year. Don’t let its modest size fool you – this little plant plays an important role in California’s native ecosystems.

What sets this spineflower apart is right there in its name: those distinctive spoon-shaped sepals that cradle tiny white to pinkish flowers. It’s these unique botanical features that make plant enthusiasts take notice, even though the overall effect is subtle rather than showy.

Where Does It Grow?

Chorizanthe obovata calls California home, where it naturally occurs in specific habitats throughout the state. You’ll find it in areas with well-drained soils, often in grasslands and open areas of the Central Valley and foothills.

A Word About Rarity

Here’s something important to know: spoonsepal spineflower has a Global Conservation Status of S3?, which means its conservation status is somewhat undefined but potentially of concern. This doesn’t mean you can’t grow it, but it does mean you should be thoughtful about sourcing. If you decide to add this plant to your garden, make sure you’re getting seeds or plants from reputable native plant suppliers who source their material responsibly.

Should You Grow Spoonsepal Spineflower?

This isn’t a plant for every garden or every gardener. Here’s who might want to consider it:

  • Native plant enthusiasts who appreciate subtle beauty
  • Gardeners creating authentic California wildflower meadows
  • Those involved in habitat restoration projects
  • Collectors of rare or unusual native species

However, if you’re looking for bold color, long-lasting blooms, or low-maintenance ground cover, you might want to consider other California natives that better fit those needs.

Supporting Pollinators

While spoonsepal spineflower may seem insignificant, it provides nectar and pollen for small native bees and other tiny pollinators. In a native plant garden, every species plays a role in supporting the web of life, even the modest ones.

Growing Conditions and Care

If you decide to grow spoonsepal spineflower, here’s what it needs to thrive:

  • Sun: Full sun exposure
  • Soil: Well-drained soils; avoid heavy clay or constantly moist conditions
  • Water: Low water needs once established; drought tolerant
  • Climate: Suitable for USDA zones 8-10, particularly California’s Mediterranean climate

Planting and Care Tips

As an annual, spoonsepal spineflower is typically grown from seed:

  • Direct sow seeds in fall for spring germination
  • Scatter seeds on prepared soil surface and lightly rake in
  • Water gently until germination occurs
  • Once established, reduce watering significantly
  • Allow plants to set seed for next year’s display

The beauty of growing native annuals like this one is that they often self-sow, creating natural-looking colonies over time.

The Bottom Line

Spoonsepal spineflower isn’t going to be the star of your garden, but it can be a meaningful addition to a native plant collection. Its value lies not in flashy beauty but in its authenticity as a piece of California’s natural heritage. If you’re drawn to the idea of growing plants that few others know about, and you appreciate the subtle charms of native wildflowers, this little spineflower might just find a place in your heart – and your garden.

Just remember to source responsibly and give it the well-drained, sunny conditions it needs to thrive. Sometimes the most rewarding plants to grow are the ones that make you slow down and really look to appreciate their quiet beauty.

Spoonsepal 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 obovata Goodman - spoonsepal spineflower

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