North America Native Plant

Arizona Bluecurls

Botanical name: Trichostema arizonicum

USDA symbol: TRAR

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Arizona Bluecurls: A Drought-Loving Native Gem for Your Garden If you’re looking for a low-maintenance native plant that thrives in hot, dry conditions while providing beautiful blooms for pollinators, Arizona bluecurls (Trichostema arizonicum) might just be your new garden favorite. This charming little shrub proves that you don’t need to ...

Arizona Bluecurls: A Drought-Loving Native Gem for Your Garden

If you’re looking for a low-maintenance native plant that thrives in hot, dry conditions while providing beautiful blooms for pollinators, Arizona bluecurls (Trichostema arizonicum) might just be your new garden favorite. This charming little shrub proves that you don’t need to sacrifice beauty for water conservation.

What Makes Arizona Bluecurls Special

Arizona bluecurls is a perennial shrub that stays refreshingly compact, typically growing under 1.5 feet tall and never exceeding 3 feet at maturity. Don’t let its small stature fool you – this native beauty packs a punch with its aromatic silvery-green foliage and striking blue to purple tubular flowers that appear in late summer and fall, just when many other plants are calling it quits for the season.

Where Arizona Bluecurls Calls Home

This resilient native is naturally found across the southwestern United States, specifically thriving in Arizona, New Mexico, and Texas. As a true native of the lower 48 states, it’s perfectly adapted to the challenging conditions of the American Southwest.

Why Your Garden (and Local Wildlife) Will Love It

Arizona bluecurls isn’t just a pretty face – it’s a hardworking member of any drought-tolerant landscape:

  • Pollinator magnet: Bees, butterflies, and other native pollinators flock to its nectar-rich blooms
  • Water-wise champion: Once established, it thrives with minimal irrigation
  • Year-round interest: Attractive foliage provides structure even when not in bloom
  • Low maintenance: Requires very little care once settled in

Perfect Garden Partnerships

Arizona bluecurls shines in xeriscaping projects, rock gardens, and naturalized desert landscapes. It’s an excellent choice for native plant gardens where you want to create habitat while conserving water. The compact size makes it perfect for front-of-border plantings or as an accent in small spaces.

Growing Arizona Bluecurls Successfully

The good news? This native is refreshingly easy to grow if you match its preferred conditions:

Location and Soil

  • Plant in full sun for best flowering
  • Ensure excellent drainage – soggy soil is this plant’s enemy
  • Sandy or gravelly soils are ideal

Climate Considerations

Arizona bluecurls thrives in USDA hardiness zones 7-10, making it suitable for most of the southern and southwestern United States.

Planting and Care Tips

  • Plant in spring after the last frost
  • Space plants 2-3 feet apart to allow for mature spread
  • Water regularly the first season to establish roots, then reduce frequency
  • Skip the fertilizer – this native prefers lean soil
  • Prune lightly after flowering if desired, but it’s not necessary

Is Arizona Bluecurls Right for Your Garden?

If you garden in the Southwest and want a reliable, beautiful native that supports local wildlife while conserving water, Arizona bluecurls is an excellent choice. It’s particularly perfect for gardeners who want maximum impact with minimal effort.

However, if you garden outside its natural range or in areas with heavy clay soil and high humidity, you might want to consider other native alternatives better suited to your local conditions.

With its combination of drought tolerance, pollinator appeal, and effortless charm, Arizona bluecurls proves that native gardening doesn’t mean compromising on beauty. Sometimes the best garden plants are the ones that have been thriving in your region for centuries – they just need an invitation to join your landscape.

Arizona Bluecurls

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

Trichostema L. - bluecurls

Species

Trichostema arizonicum A. Gray - Arizona bluecurls

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