North America Native Plant

Purple Sage

Botanical name: Salvia dorrii mearnsii

USDA symbol: SADOM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Audibertia mearnsii Britton (AUME)  âš˜  Salvia carnosa Douglas ex Greene ssp. mearnsii (Britton) Epling (SACAM)   

Purple Sage: Arizona’s Native Aromatic Treasure If you’re looking to add authentic Southwestern charm to your garden while supporting native wildlife, purple sage might just be the perfect addition to your landscape. This aromatic shrub brings both beauty and ecological value to Arizona gardens, though there are some important considerations ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3: Status is uncertain but is somewhere between the following rankings: 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Purple Sage: Arizona’s Native Aromatic Treasure

If you’re looking to add authentic Southwestern charm to your garden while supporting native wildlife, purple sage might just be the perfect addition to your landscape. This aromatic shrub brings both beauty and ecological value to Arizona gardens, though there are some important considerations before you plant.

Meet the Purple Sage

Purple sage (Salvia dorrii mearnsii) is a native perennial shrub that calls Arizona home. As a member of the mint family, this woody plant typically grows as a multi-stemmed shrub, usually staying under 13 to 16 feet in height, though it can occasionally grow taller or develop a single stem depending on growing conditions.

You might also encounter this plant listed under its scientific synonyms Audibertia mearnsii or Salvia carnosa ssp. mearnsii in older gardening references or plant catalogs.

Where Purple Sage Grows Wild

This particular variety of purple sage is native to Arizona, making it a true regional specialty. Its natural range is limited to this single state, which makes it a genuine local treasure for Arizona gardeners looking to create authentic native landscapes.

A Word About Conservation

Here’s something important to know: purple sage has a global conservation status of S5T3, which indicates it may have limited distribution or face certain conservation concerns. If you’re interested in adding this native beauty to your garden, it’s crucial to source your plants responsibly from reputable native plant nurseries or seed suppliers who can verify the plant’s origins.

Why Choose Purple Sage for Your Garden?

As a native Arizona plant, purple sage is naturally adapted to local climate conditions, which means it should require less water and maintenance once established compared to non-native alternatives. Native plants like this one also play important roles in supporting local ecosystems, even if the specific wildlife benefits aren’t well-documented for this particular subspecies.

The shrub form makes purple sage an excellent choice for:

  • Native plant gardens and xeriscapes
  • Southwestern-themed landscapes
  • Low-maintenance garden areas
  • Creating natural habitat corridors

Growing Purple Sage Successfully

While specific growing information for this subspecies is limited, as a native Arizona shrub, purple sage likely prefers the growing conditions typical of the region’s native plants. This generally means well-draining soil and tolerance for hot, dry conditions once established.

Since detailed care instructions aren’t widely available for this specific variety, your best bet is to:

  • Consult with local native plant societies or extension offices
  • Visit native plant nurseries for expert advice
  • Observe the plant’s natural growing conditions if you encounter it in the wild

The Bottom Line

Purple sage represents a unique opportunity to grow a truly local native plant that’s perfectly suited to Arizona’s climate. However, given its conservation status, responsible sourcing is essential. If you can find ethically sourced plants or seeds, this native shrub could be a wonderful addition to your Southwestern garden, offering authentic regional character while supporting local ecology.

Before purchasing, always verify that your source follows sustainable collection practices and consider consulting with local native plant experts who can provide guidance specific to your area and growing conditions.

Purple Sage

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

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Salvia L. - sage

Species

Salvia dorrii (Kellogg) Abrams - purple sage

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