North America Native Plant

Rusby’s Chinchweed

Botanical name: Pectis rusbyi

USDA symbol: PERU6

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Pectis palmeri S. Watson (PEPA34)   

Rusby’s Chinchweed: A Charming Desert Native Worth Protecting If you’re looking to add authentic Southwestern charm to your desert garden, Rusby’s chinchweed (Pectis rusbyi) might just be the delightful native annual you’ve been seeking. This petite wildflower brings a touch of golden sunshine to Arizona’s desert landscapes, but there’s more ...

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 ⚘

Rusby’s Chinchweed: A Charming Desert Native Worth Protecting

If you’re looking to add authentic Southwestern charm to your desert garden, Rusby’s chinchweed (Pectis rusbyi) might just be the delightful native annual you’ve been seeking. This petite wildflower brings a touch of golden sunshine to Arizona’s desert landscapes, but there’s more to this little plant than meets the eye.

What Makes Rusby’s Chinchweed Special

Rusby’s chinchweed is a true Arizona native, belonging to the sunflower family and classified as an annual forb. Unlike woody shrubs or trees, this little beauty completes its entire life cycle in a single growing season, making it a perfect addition to gardens that celebrate the natural rhythms of the desert.

Also known scientifically as Pectis rusbyi (and formerly classified as Pectis palmeri), this charming wildflower is found exclusively in Arizona within the United States. Its limited distribution makes it a special treasure for native plant enthusiasts.

A Plant Worth Protecting

Here’s where things get interesting – and important. Rusby’s chinchweed carries a Global Conservation Status of S3S4, indicating it may face some conservation challenges. This means that while you can certainly grow this beauty in your garden, it’s crucial to source seeds or plants responsibly from reputable native plant nurseries or seed suppliers who collect sustainably.

Garden Appeal and Design Role

Don’t let its humble size fool you – Rusby’s chinchweed punches above its weight in the charm department. This annual produces small, cheerful yellow flowers that add seasonal interest to desert gardens. Its delicate appearance makes it perfect for:

  • Wildflower meadows and naturalized areas
  • Desert and xeriscape gardens
  • Native plant collections
  • Seasonal color in rock gardens

Supporting Desert Wildlife

Like many members of the sunflower family, Rusby’s chinchweed serves as a valuable resource for desert pollinators. Its small composite flowers attract native bees, butterflies, and other beneficial insects, making it an excellent choice for gardeners interested in supporting local ecosystems.

Growing Rusby’s Chinchweed Successfully

The good news? This desert native is refreshingly low-maintenance once you understand its preferences. As a true child of the Sonoran Desert, it thrives in conditions that might challenge other plants:

Ideal Growing Conditions

  • Sunlight: Full sun exposure
  • Soil: Well-draining sandy or rocky soils
  • Water: Minimal irrigation once established
  • Climate: USDA Hardiness Zones 9-11

Planting and Care Tips

Since Rusby’s chinchweed is an annual, you’ll want to start with seeds. The best approach is direct seeding in your garden during fall or early spring, allowing natural winter moisture to help with germination. Once established, this drought-tolerant native requires very little intervention – just the way desert plants like it!

Remember to water sparingly, as overwatering can actually harm this desert-adapted species. Let nature take the lead, and you’ll be rewarded with authentic desert blooms.

The Bottom Line

Rusby’s chinchweed offers gardeners a wonderful opportunity to grow a true Arizona endemic while supporting conservation efforts. Its cheerful flowers, pollinator benefits, and authentic desert character make it a worthwhile addition to appropriate gardens. Just remember to source your seeds responsibly and give this special native the well-draining, sunny conditions it craves.

Whether you’re creating a dedicated native plant garden or simply want to add some authentic Southwestern flair to your landscape, Rusby’s chinchweed proves that sometimes the most treasured plants come in the smallest packages.

Rusby’s Chinchweed

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

Pectis L. - chinchweed

Species

Pectis rusbyi Greene ex A. Gray - Rusby's chinchweed

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