North America Native Plant

Fourpetal Pussypaws

Botanical name: Cistanthe quadripetala

USDA symbol: CIQU4

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Calyptridium quadripetalum S. Watson (CAQU)   

Fourpetal Pussypaws: A Delicate California Native Worth Protecting Meet one of California’s most charming yet vulnerable wildflowers: fourpetal pussypaws (Cistanthe quadripetala). This tiny annual might not win any awards for size, but what it lacks in stature, it makes up for in delicate beauty and ecological importance. If you’re passionate ...

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 ⚘

Fourpetal Pussypaws: A Delicate California Native Worth Protecting

Meet one of California’s most charming yet vulnerable wildflowers: fourpetal pussypaws (Cistanthe quadripetala). This tiny annual might not win any awards for size, but what it lacks in stature, it makes up for in delicate beauty and ecological importance. If you’re passionate about native plants and conservation, this little gem deserves a spot on your radar.

What Makes Fourpetal Pussypaws Special?

Fourpetal pussypaws is a small annual forb—basically a non-woody flowering plant that completes its life cycle in one growing season. Despite its diminutive size, this California endemic produces charming clusters of small, four-petaled flowers that range from pure white to soft pink. The flowers emerge from low-growing rosettes of succulent-like leaves, creating a carpet-like effect when growing in groups.

You might also encounter this plant listed under its former scientific name, Calyptridium quadripetalum, in older gardening references or seed catalogs.

Where Does It Call Home?

This special little plant is found exclusively in California, making it a true Golden State endemic. Fourpetal pussypaws thrives in the state’s desert and semi-desert regions, where it has adapted to harsh, dry conditions and sandy or rocky soils.

A Plant That Needs Our Help

Important conservation note: Fourpetal pussypaws has a Global Conservation Status of S3, meaning it’s considered vulnerable to extinction. With only 21 to 100 known occurrences and an estimated 3,000 to 10,000 individuals remaining, this plant faces an uncertain future. Climate change, habitat loss, and development pressures all threaten its survival.

If you’re interested in growing this species, please only purchase seeds or plants from reputable native plant nurseries that source their material responsibly. Never collect from wild populations—every plant counts for this vulnerable species.

Growing Fourpetal Pussypaws Successfully

Despite its rarity in the wild, fourpetal pussypaws can be successfully grown in gardens that mimic its natural desert habitat. Here’s what you need to know:

Ideal Growing Conditions

  • Sunlight: Full sun exposure
  • Soil: Well-draining sandy or rocky soils; excellent drainage is absolutely crucial
  • Water: Minimal water requirements; drought tolerant once established
  • Climate: USDA Hardiness Zones 8-10

Planting and Care Tips

  • Direct seed in fall for spring germination, mimicking natural rainfall patterns
  • Ensure perfect drainage—this plant will rot in soggy conditions
  • Once established, water sparingly or rely on natural rainfall
  • Avoid fertilizers, which can harm this adapted-to-poor-soils species
  • Allow plants to self-seed for natural propagation

Perfect Garden Companions

Fourpetal pussypaws shines in specialized garden settings:

  • Desert and xeriscape gardens: Provides delicate texture among larger succulents and cacti
  • Rock gardens: Perfect for tucking into crevices and sandy pockets
  • Native plant gardens: An authentic addition to California native landscapes
  • Container gardens: Excellent for shallow, well-draining pots

Supporting Wildlife

Though small, fourpetal pussypaws pulls its weight in supporting local ecosystems. The delicate flowers attract small native bees and other beneficial insects, providing nectar and pollen resources in harsh desert environments where every bloom counts.

Is Fourpetal Pussypaws Right for Your Garden?

This plant is perfect for gardeners who:

  • Want to support conservation of rare native species
  • Love delicate, understated beauty over showy flowers
  • Garden in arid or semi-arid climates
  • Appreciate the challenge of growing specialized plants
  • Are committed to water-wise gardening

However, fourpetal pussypaws might not be the best choice if you’re looking for a low-maintenance plant for humid climates, want year-round foliage (remember, it’s an annual), or prefer bold, colorful flowers.

A Small Plant with Big Impact

Growing fourpetal pussypaws is about more than just adding another plant to your garden—it’s about participating in conservation. Every responsibly grown plant helps maintain genetic diversity and potentially provides seeds for future restoration efforts. In a world where so many native species face uncertain futures, giving this vulnerable California endemic a safe haven in your garden is both a privilege and a responsibility.

With its delicate charm and important conservation status, fourpetal pussypaws proves that sometimes the smallest plants can make the biggest difference.

Fourpetal Pussypaws

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

Caryophyllales

Family

Portulacaceae Dumort. - Purslane family

Genus

Cistanthe Spach - pussypaws

Species

Cistanthe quadripetala (S. Watson) Hershkovitz - fourpetal pussypaws

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