North America Native Plant

Menzies’ Tansymustard

Botanical name: Descurainia pinnata menziesii

USDA symbol: DEPIM

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cardamine menziesii DC. (CAME22)  âš˜  Descurainia menziesii (DC.) O.E. Schulz (DEME3)  âš˜  Descurainia menziesii (DC.) O.E. Schulz var. glandulosa O.E. Schulz (DEMEG)   

Menzies’ Tansymustard: A Delicate Native Wildflower for Western Gardens If you’re looking to add some early-season charm to your native plant garden, Menzies’ tansymustard might just be the unassuming gem you’ve been searching for. This delicate wildflower may not have the flashiest blooms in the garden, but its feathery foliage ...

Menzies’ Tansymustard: A Delicate Native Wildflower for Western Gardens

If you’re looking to add some early-season charm to your native plant garden, Menzies’ tansymustard might just be the unassuming gem you’ve been searching for. This delicate wildflower may not have the flashiest blooms in the garden, but its feathery foliage and cheerful yellow flowers make it a wonderful addition to naturalized landscapes across the American West.

Meet This Native Beauty

Menzies’ tansymustard (Descurainia pinnata menziesii) is a native annual to biennial forb that calls California and Nevada home. As a true native of the lower 48 states, this plant has been quietly doing its thing in western landscapes long before any of us started thinking about gardening. You might also see it referred to by its botanical synonyms, including Descurainia menziesii, but don’t let all those scientific names intimidate you – it’s still the same lovely little plant.

Where You’ll Find It Growing Wild

This hardy wildflower has made itself quite comfortable throughout California and Nevada, where it thrives in the region’s varied climates and soil conditions. From coastal areas to inland valleys, Menzies’ tansymustard has adapted beautifully to western growing conditions.

What Makes It Special

Don’t expect bold, showy blooms from this modest native – Menzies’ tansymustard is more about subtle beauty. The plant produces clusters of tiny yellow flowers that emerge in early spring, providing a gentle splash of color when many other plants are still waking up from winter. Its finely divided, almost feathery foliage adds texture and visual interest even when the plant isn’t blooming.

As a forb, this plant stays relatively low and herbaceous, never developing woody stems. It typically completes its life cycle as either an annual or biennial, depending on growing conditions.

Perfect for These Garden Styles

Menzies’ tansymustard shines brightest in:

  • Native plant gardens
  • Wildflower meadows
  • Naturalized landscapes
  • Xeriscaping projects
  • Early spring pollinator gardens

Growing Conditions That Make It Happy

One of the best things about working with native plants is that they’re already adapted to your local conditions, and Menzies’ tansymustard is no exception. This resilient wildflower thrives in:

  • Full sun locations
  • Well-draining soils
  • USDA hardiness zones 7-10
  • Low to moderate water conditions once established

The plant’s natural drought tolerance makes it an excellent choice for water-wise gardening, though it will appreciate some moisture during its active growing season in spring.

Planting and Care Tips

Growing Menzies’ tansymustard is refreshingly straightforward. Here’s how to give it the best start:

  • Timing: Direct seed in fall for spring germination
  • Soil prep: Ensure good drainage – soggy soils are this plant’s biggest enemy
  • Watering: Provide regular water during establishment, then reduce as the plant matures
  • Maintenance: Minimal care required once established
  • Self-seeding: Allow plants to set seed if you want them to return naturally

Benefits for Wildlife and Pollinators

While Menzies’ tansymustard may look delicate, it punches above its weight when it comes to supporting local wildlife. The early spring blooms provide crucial nectar sources for small pollinators and beneficial insects when few other flowers are available. This timing makes it particularly valuable in supporting early-season pollinator activity.

Is This Plant Right for Your Garden?

Menzies’ tansymustard is an excellent choice if you:

  • Want to support native ecosystems
  • Appreciate subtle, naturalistic beauty
  • Need early-season interest in your garden
  • Prefer low-maintenance plants
  • Are creating habitat for native pollinators

However, this might not be your best choice if you’re looking for bold, long-lasting color or formal garden structure. Its ephemeral nature and modest appearance make it better suited for naturalized settings than manicured landscapes.

The Bottom Line

Menzies’ tansymustard may not be the showiest plant in your garden, but it brings something special to native plant communities – the quiet beauty of a plant perfectly adapted to its place. For gardeners in California and Nevada looking to create authentic native landscapes that support local wildlife, this delicate wildflower offers both ecological value and understated charm. Sometimes the most rewarding plants are the ones that whisper rather than shout.

Menzies’ Tansymustard

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Descurainia Webb & Bethel. - tansymustard

Species

Descurainia pinnata (Walter) Britton - western tansymustard

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