Texas Toadflax (Nuttallanthus texanus) is a delicate annual or short-lived perennial wildflower native to the southern and western United States. It thrives in open fields, prairies, and roadsides, adding soft splashes of color to its surroundings with its slender stems and clusters of pale purple to lavender flowers. Texas Toadflax is listed as a threatened species in WA state, and known from only a few populations in remnant South Sound prairie sites.
Depending on climate, Texas Toadflax may bloom from late winter through early summer, producing small, charming flowers that attract bees, butterflies, and other pollinators. While not a known host plant for specific species, its nectar supports a variety of native pollinators, making it a useful addition to pollinator-friendly gardens and natural landscapes. Its adaptability to different soil types and light conditions allows it to thrive in a range of environments, particularly areas with sandy or rocky soils. The upright, airy growth habit makes it perfect for wildflower meadows, borders, and naturalized areas. It pairs beautifully with other native plants and grasses, creating a balanced and visually appealing landscape.
This plant grows best in full sun to partial shade and is highly drought-tolerant once established, making it an excellent choice for low-maintenance and xeriscape gardens. It can also tolerate nutrient-poor soils, which makes it ideal for restoration projects and difficult sites. For successful germination, sow seeds in the fall or early spring. Seeds require light to germinate, so they should be pressed into the soil surface without covering. With its self-seeding habit, Texas Toadflax can naturalize easily, spreading year after year in suitable conditions.
Texas Toadflax - Nuttallanthus texanus
Scientific Name Nuttallanthus canadensis Habitat open woodlands, grasslands USDA Zone 3 - 9 Native Region North America Phenology Annual or Biennial Height 12 - 24" Light Requirement Full Sun to Partial Shade Water Requirement Low to Moderate Soil Type Well-Drained; Sandy or Loamy Germination Time 10-30 days Difficulty (1 - 5) ⸙ Planting Season Fall or Early Spring Bloom Season Spring to Early Summer Pollinators Native Bees, Butterflies