North America Native Plant

Leather Spineflower

Botanical name: Lastarriaea coriacea

USDA symbol: LACO4

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Chorizanthe coriacea Goodman (CHCO21)  âš˜  Chorizanthe lastarriaea Parry (CHLA19)  âš˜  Lastarriaea chilensis auct. non Remy (LACH6)   

Leather Spineflower: A Tough Native Annual for Water-Wise Gardens Meet the leather spineflower (Lastarriaea coriacea), a scrappy little California native that’s all about survival in tough conditions. While it might not win any beauty contests, this hardy annual has earned its place in the hearts of native plant enthusiasts and ...

Leather Spineflower: A Tough Native Annual for Water-Wise Gardens

Meet the leather spineflower (Lastarriaea coriacea), a scrappy little California native that’s all about survival in tough conditions. While it might not win any beauty contests, this hardy annual has earned its place in the hearts of native plant enthusiasts and water-wise gardeners across Southern California.

What Makes Leather Spineflower Special

Don’t let the name fool you – leather spineflower isn’t actually spiny or particularly leathery. This annual forb (that’s garden-speak for a non-woody flowering plant) belongs to the buckwheat family and has adapted beautifully to California’s challenging climate. You might also see it listed under its scientific synonyms like Chorizanthe coriacea or Chorizanthe lastarriaea in older gardening references.

Where It Calls Home

Leather spineflower is a true California native, naturally occurring throughout the southern regions of the Golden State. It thrives in desert and semi-arid environments, making it perfectly suited to areas that challenge many other plants.

Why Consider Leather Spineflower for Your Garden

While leather spineflower won’t give you showy blooms or dramatic foliage, it offers several compelling reasons to include it in your landscape:

  • Ultra-low water needs: Once established, it thrives on minimal irrigation
  • Native habitat support: Provides food and shelter for local wildlife
  • Pollinator friendly: Attracts native bees and other beneficial insects
  • Erosion control: Helps stabilize soil in challenging areas
  • True California heritage: Supports local ecosystems and biodiversity

Perfect Garden Situations

Leather spineflower shines in specific garden settings where other plants might struggle:

  • Desert and xeriscape gardens
  • Native plant restorations
  • Naturalized meadow areas
  • Erosion-prone slopes
  • Low-maintenance groundcover areas

Growing Conditions and Care

The beauty of leather spineflower lies in its simplicity. This tough little plant asks for very little:

  • Sunlight: Full sun is essential
  • Soil: Well-draining sandy or rocky soils work best
  • Water: Minimal once established; overwatering can be harmful
  • Hardiness: Thrives in USDA zones 9-11
  • Soil fertility: Actually prefers poor to moderate soil conditions

Planting and Care Tips

Growing leather spineflower successfully is all about mimicking its natural habitat:

  • Plant seeds in fall for spring germination
  • Ensure excellent drainage – soggy soil is this plant’s enemy
  • Water sparingly during establishment, then back off significantly
  • Avoid fertilizing; rich soils can actually harm the plant
  • Allow plants to self-seed for naturalized colonies
  • Embrace the natural, informal growth habit

Setting Realistic Expectations

Let’s be honest – leather spineflower isn’t going to be the star of your flower border. Its small, inconspicuous blooms and modest stature mean it’s more of a supporting player than a leading lady. However, for gardeners focused on native plant gardening, ecological benefits, and ultra-low maintenance landscapes, it’s an absolute gem.

The Bottom Line

Leather spineflower is perfect for gardeners who want to support California’s native ecosystems while creating landscapes that can handle drought and neglect. If you’re looking for showy flowers or lush foliage, you’ll want to look elsewhere. But if you appreciate plants that work hard behind the scenes, providing habitat and requiring almost nothing in return, leather spineflower deserves a spot in your native plant palette.

Remember, being an annual means you’ll need to let it self-seed or replant each year – but given how perfectly adapted it is to California’s conditions, that’s usually more of a bonus than a burden!

Leather 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

Lastarriaea Remy - lastarriaea

Species

Lastarriaea coriacea (Goodman) Hoover - leather spineflower

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