North America Native Plant

Rothrock’s Keckiella

Botanical name: Keckiella rothrockii jacintensis

USDA symbol: KEROJ

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Keckiella rothrockii (A. Gray) Straw var. jacintensis (Abrams) N.H. Holmgren (KEROJ3)  âš˜  Penstemon rothrockii A. Gray ssp. jacintensis (Abrams) D.D. Keck (PEROJ)   

Rothrock’s Keckiella: A Hidden Gem for California Native Gardens If you’re looking for a drought-tolerant native shrub that’ll make hummingbirds do happy dances in your garden, let me introduce you to Rothrock’s keckiella (Keckiella rothrockii jacintensis). This charming California native might not be the flashiest plant on the block, but ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is 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 ⚘

Rothrock’s Keckiella: A Hidden Gem for California Native Gardens

If you’re looking for a drought-tolerant native shrub that’ll make hummingbirds do happy dances in your garden, let me introduce you to Rothrock’s keckiella (Keckiella rothrockii jacintensis). This charming California native might not be the flashiest plant on the block, but it’s got personality and purpose in spades.

What Makes Rothrock’s Keckiella Special?

Rothrock’s keckiella is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall. You might also see it listed under its botanical synonyms, including Keckiella rothrockii var. jacintensis or Penstemon rothrockii ssp. jacintensis – don’t let the name changes fool you, it’s the same delightful plant!

Where Does It Call Home?

This little beauty is a true California native, endemic to the Golden State. More specifically, it’s found in the San Jacinto Mountains of Southern California, making it a genuine local treasure for gardeners in the region.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Rothrock’s keckiella really shines – it’s like opening a neighborhood café for hummingbirds and native bees. The plant produces small, tubular flowers that are typically white to pale yellow, blooming during the summer months. These blooms are perfectly shaped for hummingbird beaks and provide an excellent nectar source.

Beyond its wildlife benefits, this shrub brings several advantages to your landscape:

  • Exceptional drought tolerance once established
  • Low maintenance requirements
  • Attractive natural form that works well in informal settings
  • Perfect for native plant and xeriscape gardens

Growing Rothrock’s Keckiella Successfully

The good news? This plant is fairly easygoing once you understand its preferences. Rothrock’s keckiella thrives in USDA hardiness zones 8-10, making it suitable for most of California’s Mediterranean climate.

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is absolutely essential – this plant does not tolerate wet feet
  • Water: Drought-tolerant once established, but benefits from occasional deep watering during extreme dry spells

Planting and Care Tips

Fall is your best friend when it comes to planting Rothrock’s keckiella. This timing allows the plant to establish its root system during the cooler, wetter months before facing its first summer heat.

  • Plant in well-amended, fast-draining soil
  • Water regularly during the first year to help establishment
  • Once established, minimal care is needed
  • Avoid overwatering – this is the quickest way to kill your plant
  • Light pruning after flowering can help maintain shape

Garden Design Ideas

Rothrock’s keckiella works beautifully in several garden styles:

  • Native plant gardens: Pairs wonderfully with other California natives like salvias, ceanothus, and native grasses
  • Wildlife gardens: Essential for hummingbird and pollinator habitat
  • Xeriscape gardens: Perfect for water-wise landscaping
  • Rock gardens: Its natural form complements rocky, naturalistic settings

Important Conservation Note

Here’s something to keep in mind: Rothrock’s keckiella appears to have some conservation concerns, with a rarity status that suggests it may be vulnerable in the wild. If you’re interested in adding this plant to your garden, please make sure you source it responsibly from reputable native plant nurseries that propagate their own stock rather than wild-collecting.

The Bottom Line

Rothrock’s keckiella might not be the showiest plant in the nursery, but it’s exactly the kind of steady, reliable performer that makes native gardening so rewarding. It asks for little, gives back to local wildlife, and adds authentic California character to your landscape. Plus, there’s something deeply satisfying about growing a plant that’s perfectly adapted to your local conditions – it’s like gardening with nature instead of against it.

If you’re ready to create a more sustainable, wildlife-friendly garden while celebrating California’s natural heritage, Rothrock’s keckiella deserves a spot on your plant list. Your local hummingbirds will thank you!

Rothrock’s Keckiella

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Keckiella Straw - keckiella

Species

Keckiella rothrockii (A. Gray) Straw - Rothrock's keckiella

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