North America Native Plant

Narrowleaf Yerba Santa

Botanical name: Eriodictyon angustifolium

USDA symbol: ERAN2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Eriodictyon angustifolium Nutt. var. amplifolium Brand (ERANA)   

Narrowleaf Yerba Santa: A Hardy Native Shrub for Water-Wise Gardens If you’re looking for a drought-tolerant native shrub that doesn’t skimp on beauty, narrowleaf yerba santa (Eriodictyon angustifolium) might just be your new garden hero. This resilient southwestern native brings both practical benefits and visual appeal to water-wise landscapes, making ...

Narrowleaf Yerba Santa: A Hardy Native Shrub for Water-Wise Gardens

If you’re looking for a drought-tolerant native shrub that doesn’t skimp on beauty, narrowleaf yerba santa (Eriodictyon angustifolium) might just be your new garden hero. This resilient southwestern native brings both practical benefits and visual appeal to water-wise landscapes, making it a smart choice for gardeners who want to work with nature rather than against it.

Meet the Narrowleaf Yerba Santa

Narrowleaf yerba santa is a perennial shrub that’s perfectly adapted to life in the American Southwest. As a multi-stemmed woody plant, it typically grows to a manageable height of 3-6 feet, making it an excellent choice for both small gardens and larger landscapes. The plant gets its narrowleaf name from its distinctive lance-shaped leaves that are dark green on top and covered with white woolly hairs underneath – a clever adaptation that helps it conserve water in harsh conditions.

Where Does It Call Home?

This hardy native is found naturally across four southwestern states: Arizona, California, Nevada, and Utah. In the wild, you’ll spot narrowleaf yerba santa thriving on rocky slopes, in chaparral communities, and throughout desert mountain ranges where many other plants struggle to survive.

Why Your Garden Will Love It

Narrowleaf yerba santa brings several compelling qualities to your landscape:

  • Spectacular spring blooms: Clusters of white to pale purple tubular flowers create a stunning display from late spring through early summer
  • Year-round structure: The shrub maintains its attractive form throughout the seasons
  • Pollinator magnet: Bees, butterflies, and hummingbirds flock to its nectar-rich flowers
  • Drought champion: Once established, it requires minimal supplemental watering
  • Fire-resistant qualities: A valuable addition to wildfire-prone areas

Perfect Garden Roles

This versatile native excels in several landscape situations:

  • Xeriscaping and drought-tolerant gardens
  • Native plant communities
  • Slope stabilization projects
  • Mediterranean-style landscapes
  • Wildlife habitat gardens
  • Low-maintenance border plantings

Growing Conditions and Care

The beauty of narrowleaf yerba santa lies in its simplicity. This plant thrives in USDA hardiness zones 8-10 and prefers:

  • Sun exposure: Full sun for best flowering and form
  • Soil: Well-draining soils; actually prefers poor, rocky conditions over rich garden soil
  • Water: Low water needs once established; drought-tolerant
  • Maintenance: Minimal care required

Planting and Establishment Tips

Getting your narrowleaf yerba santa off to a good start is straightforward:

  • Plant in fall for best establishment before summer heat
  • Choose a location with excellent drainage – soggy soil is this plant’s biggest enemy
  • Space plants 4-6 feet apart to allow for mature size
  • Water deeply but infrequently during the first year to encourage deep root development
  • Avoid fertilizing – this plant actually prefers lean conditions
  • Pruning is rarely needed, but light shaping can be done after flowering

Wildlife and Pollinator Benefits

When you plant narrowleaf yerba santa, you’re not just adding beauty to your garden – you’re creating habitat. The nectar-rich flowers provide food for native bees and butterflies, while hummingbirds appreciate the tubular flower shape. The dense branching structure also offers nesting sites and shelter for small birds and beneficial insects.

Is Narrowleaf Yerba Santa Right for You?

This native shrub is ideal for gardeners who want maximum impact with minimal effort. If you’re dealing with challenging conditions like poor soil, slopes, or water restrictions, narrowleaf yerba santa could be exactly what you need. Its combination of drought tolerance, wildlife value, and seasonal beauty makes it a triple threat in the best possible way.

However, if you garden in areas with heavy clay soil or poor drainage, you might want to consider other natives better suited to those conditions. Remember, the key to successful native gardening is matching the right plant to the right place.

By choosing narrowleaf yerba santa, you’re not only creating a beautiful, low-maintenance landscape but also supporting local ecosystems and conserving water – a win-win for both you and the environment.

Narrowleaf Yerba Santa

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

Solanales

Family

Hydrophyllaceae R. Br. - Waterleaf family

Genus

Eriodictyon Benth. - yerba santa

Species

Eriodictyon angustifolium Nutt. - narrowleaf yerba santa

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