North America Native Plant

Parish’s Bluecurls

Botanical name: Trichostema parishii

USDA symbol: TRPA3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Parish’s Bluecurls: A Fragrant California Native Worth Protecting If you’re looking to add a touch of wild California charm to your garden while supporting local ecosystems, Parish’s bluecurls (Trichostema parishii) might just be the aromatic treasure you’ve been seeking. This delightful native shrub brings both beauty and ecological benefits to ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Parish’s Bluecurls: A Fragrant California Native Worth Protecting

If you’re looking to add a touch of wild California charm to your garden while supporting local ecosystems, Parish’s bluecurls (Trichostema parishii) might just be the aromatic treasure you’ve been seeking. This delightful native shrub brings both beauty and ecological benefits to water-wise landscapes, though its somewhat uncertain conservation status makes responsible sourcing essential.

What Makes Parish’s Bluecurls Special

Parish’s bluecurls is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in height. What really sets this plant apart is its incredible fragrance – the gray-green foliage releases a pleasant minty aroma that’s particularly noticeable on warm days or when brushed against. The distinctive blue to purple tubular flowers appear in attractive clusters, creating a stunning display that pollinators absolutely adore.

Where It Calls Home

This California endemic is naturally found only in Southern California, particularly in the Peninsular Ranges and surrounding areas. As a true native of the Golden State, it’s perfectly adapted to the region’s unique climate and growing conditions.

A Note About Conservation

Before we dive into growing tips, it’s important to mention that Parish’s bluecurls has a Global Conservation Status of S3?, which indicates some uncertainty about its population status. While this doesn’t mean you shouldn’t grow it, it does mean you should be extra careful to source your plants responsibly from reputable native plant nurseries rather than collecting from wild populations.

Perfect for Water-Wise Gardens

Parish’s bluecurls shines in several garden settings:

  • Drought-tolerant and Mediterranean-style landscapes
  • Native California plant gardens
  • Rock gardens and slope plantings
  • Xeriscapes where water conservation is key
  • Fragrance gardens near patios or walkways

This versatile shrub works beautifully as an accent plant or when grouped with other native species. Its moderate size makes it perfect for adding structure and fragrance without overwhelming smaller garden spaces.

Growing Conditions and Care

The good news is that Parish’s bluecurls is relatively low-maintenance once you understand its preferences:

Sunlight: Thrives in full sun conditions

Soil: Requires well-draining soil; sandy or rocky soils are ideal

Water: Drought-tolerant once established, but appreciates occasional deep watering during extreme dry spells

Climate: Best suited for USDA hardiness zones 9-11

Planting and Care Tips

For the best success with Parish’s bluecurls:

  • Plant in fall to give roots time to establish before summer heat
  • Ensure excellent drainage – this plant does not tolerate soggy conditions
  • Water sparingly once established; overwatering is more harmful than drought
  • Minimal pruning needed, just remove dead or damaged branches
  • No fertilizer required – rich soils can actually harm native plants

Pollinator Paradise

One of the best reasons to grow Parish’s bluecurls is its value to local wildlife. The nectar-rich flowers are magnets for bees, butterflies, and other native pollinators. By adding this plant to your garden, you’re creating vital habitat and food sources for creatures that are essential to healthy ecosystems.

The Bottom Line

Parish’s bluecurls offers gardeners a unique opportunity to grow a beautiful, fragrant, and ecologically valuable native plant. While its uncertain conservation status means we should be thoughtful about sourcing, it’s definitely worth seeking out from reputable native plant nurseries. With minimal care requirements and maximum wildlife benefits, it’s a perfect addition to any California native garden or water-wise landscape.

Just remember: when you choose native plants like Parish’s bluecurls, you’re not just creating a beautiful garden – you’re participating in conservation and supporting the intricate web of life that makes California’s landscapes so special.

Parish’s 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 parishii Vasey - Parish's bluecurls

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