North America Native Plant

Mountain Tail-leaf

Botanical name: Pericome caudata

USDA symbol: PECA10

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Pericome caudata A. Gray var. glandulosa (Goodman) Harrington (PECAG)  âš˜  Pericome glandulosa Goodman (PEGL22)   

Mountain Tail-Leaf: A Drought-Tolerant Native Gem for Water-Wise Gardens If you’re looking for a hardy, low-maintenance native plant that can handle tough conditions while adding delicate beauty to your landscape, meet mountain tail-leaf (Pericome caudata). This unassuming perennial herb might not be the showiest plant in the garden, but it’s ...

Mountain Tail-Leaf: A Drought-Tolerant Native Gem for Water-Wise Gardens

If you’re looking for a hardy, low-maintenance native plant that can handle tough conditions while adding delicate beauty to your landscape, meet mountain tail-leaf (Pericome caudata). This unassuming perennial herb might not be the showiest plant in the garden, but it’s definitely one of the most reliable—and it comes with some pretty impressive drought-busting superpowers.

What Exactly Is Mountain Tail-Leaf?

Mountain tail-leaf is a native perennial forb (that’s garden-speak for a non-woody flowering plant) that’s been quietly thriving in the American Southwest for ages. As a member of the sunflower family, it produces clusters of small, cheerful yellow flowers that may remind you of tiny daisies. But the real star of the show is its distinctive foliage—narrow, elongated leaves that taper to long, tail-like points, giving this plant its memorable common name.

You might also see this plant listed under some tongue-twisting synonyms like Pericome caudata var. glandulosa or Pericome glandulosa, but don’t let that intimidate you. It’s all the same wonderful plant!

Where Does Mountain Tail-Leaf Call Home?

This native beauty has quite an impressive range across the lower 48 states. You’ll find wild populations flourishing in Arizona, California, Colorado, Nevada, New Mexico, Oklahoma, and Texas. It’s particularly at home in the desert and semi-arid regions of the Southwest, where it has evolved to handle intense sun, minimal water, and rocky soils that would make other plants throw in the towel.

Why Your Garden Will Love Mountain Tail-Leaf

Here’s where mountain tail-leaf really shines as a garden plant:

  • Drought champion: Once established, this plant laughs in the face of dry spells
  • Pollinator magnet: Those small yellow flowers attract bees, butterflies, and other beneficial insects
  • Low maintenance: Perfect for gardeners who want beauty without the fuss
  • Native plant benefits: Supports local ecosystems and requires fewer resources than non-native alternatives
  • Adaptable: Thrives in USDA hardiness zones 4-9, so it can handle both cold winters and hot summers

Perfect Spots for Mountain Tail-Leaf

This versatile native works beautifully in several garden styles:

  • Xeriscapes and desert gardens: A natural choice for water-wise landscaping
  • Rock gardens: Its compact growth habit and drought tolerance make it ideal for rocky, well-draining spots
  • Native plant gardens: Pairs wonderfully with other southwestern natives
  • Border plantings: Use as a low-growing accent along pathways or garden edges
  • Naturalized areas: Perfect for creating low-maintenance, wildlife-friendly spaces

Growing Mountain Tail-Leaf: The Easy Way

The best part about mountain tail-leaf? It’s refreshingly simple to grow. Here’s what this easygoing native needs to thrive:

Light: Full sun is best, though it can tolerate some light shade

Soil: Well-draining soil is absolutely crucial. Sandy, rocky, or gravelly soils are perfect. Heavy clay or waterlogged conditions are a no-go

Water: Water regularly during the first growing season to help establish roots, then back off. Once established, this plant prefers to stay on the dry side

Planting: Spring is the ideal time to plant. Space plants according to their mature size and mulch lightly with gravel or decomposed granite rather than organic mulch

Care Tips for Success

Mountain tail-leaf is pretty much the definition of plant it and forget it, but here are a few tips to ensure success:

  • Avoid overwatering—this is the quickest way to kill this drought-adapted native
  • Ensure excellent drainage by amending heavy soils with sand or gravel
  • Skip the fertilizer—this plant evolved in nutrient-poor soils and actually prefers lean conditions
  • Deadhead spent flowers to encourage more blooms, though this isn’t necessary
  • In colder zones, plants may die back in winter but will return in spring

The Bottom Line

Mountain tail-leaf might not be the flashiest plant at the garden center, but it’s exactly the kind of reliable, water-wise native that modern gardens need. If you’re gardening in its native range and want to support local wildlife while creating a beautiful, low-maintenance landscape, this charming perennial deserves a spot in your garden. Plus, there’s something satisfying about growing a plant that’s perfectly adapted to your local climate—it’s like giving Mother Nature a high-five!

Whether you’re creating a full xeriscape or just looking for a few drought-tolerant plants to reduce your garden’s water needs, mountain tail-leaf proves that native plants can be both practical and beautiful. Now that’s what we call a win-win!

Mountain Tail-leaf

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

Pericome A. Gray - pericome

Species

Pericome caudata A. Gray - mountain tail-leaf

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