North America Native Plant

Wheeler’s Tarweed

Botanical name: Madia elegans wheeleri

USDA symbol: MAELW

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Wheeler’s Tarweed: A Charming California Native for Your Wildflower Garden If you’re looking to add some authentic California charm to your native plant garden, Wheeler’s tarweed (Madia elegans wheeleri) might just be the delightful annual you’ve been searching for. This cheerful little wildflower brings a burst of golden color to ...

Wheeler’s Tarweed: A Charming California Native for Your Wildflower Garden

If you’re looking to add some authentic California charm to your native plant garden, Wheeler’s tarweed (Madia elegans wheeleri) might just be the delightful annual you’ve been searching for. This cheerful little wildflower brings a burst of golden color to naturalized landscapes while supporting local pollinators and staying true to its Golden State roots.

What is Wheeler’s Tarweed?

Wheeler’s tarweed is an annual forb, which means it’s a soft-stemmed, herbaceous plant that completes its entire life cycle in one growing season. As a subspecies of the broader Madia elegans family, this native California wildflower produces small, bright yellow daisy-like flowers that add a cheerful pop of color to any garden setting.

This plant is proudly native to the lower 48 states, specifically calling California home. You’ll find Wheeler’s tarweed growing naturally throughout various regions of California, where it has adapted perfectly to the state’s unique climate and growing conditions.

Why Grow Wheeler’s Tarweed?

There are several compelling reasons why this native beauty deserves a spot in your garden:

  • True California native: Supporting local ecosystems by growing plants that naturally belong in your area
  • Pollinator magnet: The cheerful yellow flowers attract bees and other beneficial insects
  • Low maintenance: Once established, this drought-tolerant annual requires minimal care
  • Authentic wildflower appeal: Perfect for creating naturalized, meadow-like garden spaces
  • Annual life cycle: Provides seasonal interest and allows for garden flexibility year to year

Where Does Wheeler’s Tarweed Fit in Your Garden?

This charming wildflower works beautifully in several garden settings:

  • Native plant gardens: An authentic addition to California native landscapes
  • Wildflower meadows: Contributes to naturalized, prairie-like settings
  • Pollinator gardens: Supports beneficial insects with nectar-rich blooms
  • Water-wise landscapes: Perfect for drought-tolerant garden designs

Growing Conditions and Care

Wheeler’s tarweed thrives in conditions that mirror its natural California habitat:

  • Sunlight: Prefers full sun locations
  • Soil: Well-draining soils are essential; avoid heavy clay or waterlogged areas
  • Water: Drought tolerant once established; minimal supplemental watering needed
  • Climate: Best suited for USDA hardiness zones 8-10, matching California’s climate

Planting and Care Tips

Growing Wheeler’s tarweed successfully is refreshingly straightforward:

  • Timing: Sow seeds in fall or early spring for best germination
  • Soil preparation: Ensure excellent drainage; amend heavy soils with sand or gravel if needed
  • Watering: Provide regular moisture during germination, then reduce watering as plants establish
  • Maintenance: Minimal care required; allow plants to self-seed for natural reseeding
  • Harvesting seeds: Collect seeds after flowering for next year’s planting

Is Wheeler’s Tarweed Right for Your Garden?

Wheeler’s tarweed is an excellent choice for California gardeners who want to embrace native plant gardening while supporting local wildlife. Its low-maintenance nature and authentic wildflower appeal make it particularly well-suited for naturalized garden areas and water-wise landscapes.

However, if you’re looking for a long-lasting perennial or a plant with a more formal appearance, this annual wildflower might not be the best fit. Its charm lies in its natural, meadow-like quality and seasonal life cycle.

Whether you’re creating a dedicated native plant garden or simply want to add some authentic California character to your landscape, Wheeler’s tarweed offers a delightful way to celebrate your region’s natural heritage while creating habitat for beneficial pollinators.

Wheeler’s Tarweed

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Madia Molina - tarweed

Species

Madia elegans D. Don ex Lindl. - common madia

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