Sowthistle Desertdandelion

(Malacothrix sonchoides)

Sowthistle Desertdandelion (Malacothrix sonchoides)

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Climate Requirements

Precipitation 5" - 11"
High Temp. 89°F - 102°F
Low Temp. 17°F - 29°F

Summary

Malacothrix sonchoides, commonly known as sowthistle desertdandelion, is an annual herb native to arid and semi-arid regions in the western United States, particularly in the Mojave and Sonoran Deserts. It thrives in sandy and gravelly soils, often found in desert washes, flats, and slopes, as well as in disturbed areas such as roadsides. This species typically grows up to 20 inches tall and features a basal rosette of fleshy, lobed lower leaves. The bright yellow flower heads are showy and can contain up to 115 florets, blooming from March to June, depending on local conditions.

Sowthistle desertdandelion is valued for its drought tolerance and its ability to add color to arid landscapes. It is often used in xeriscaping and naturalized plantings where water conservation is a priority. The plant requires minimal maintenance and is well-suited to sandy, well-drained soils. It prefers full sun but can tolerate some light shade. While not commonly used in traditional gardens, it can be an attractive addition to rock gardens or desert-themed landscapes. Its presence in native plantings can support local pollinators and contribute to the biodiversity of the region.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1-3 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring, Summer
  • Leaf Retention:

Growth Requirements

  • Sun: Full Sun
  • Drainage: Fast

Common Uses

Butterfly Garden, Drought Tolerant, Low Maintenance

Natural Habitat

Native to arid and semi-arid regions in the western United States, thriving in a variety of desert habitats including washes, flats, slopes, and disturbed areas

Other Names

Common Names: False Dandelion, Yellow-Saucers

Scientific Names: Malacothrix sonchoides, Leptoseris sonchoides, Malacothrix runcinata, Malacothrix sonchoides var. sonchoides

GBIF Accepted Name: Malacothrix sonchoides