Moon Trefoil

(Medicago arborea)

Moon Trefoil (Medicago arborea)

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Estimated Native Range
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Summary

Medicago arborea, commonly known as Moon Trefoil, is an evergreen shrub native to the Mediterranean Basin, including coastal areas, garrigue, and maquis habitats. It typically grows to a height of 5-6 feet (1.5-1.8 meters) and a width of 3-5 feet (0.9-1.5 meters). The plant is characterized by its rounded form, gray-green foliage, and bright yellow pea-like flowers that bloom in the spring, adding a splash of color to the landscape. The flowers are followed by distinctive coiled seed pods. Moon Trefoil is valued for its drought tolerance and ability to thrive in poor, rocky soils, making it suitable for xeriscaping and coastal gardens.

Moon Trefoil is used for ornamental purposes, erosion control, and as a nitrogen-fixing plant in restoration projects. It is well-suited to Mediterranean-style gardens and can be used as a low hedge or ground cover. It prefers full sun to part shade and requires well-drained soil. While it is drought-tolerant once established, it benefits from occasional watering during prolonged dry periods. Gardeners should be aware that Medicago arborea can become invasive outside its native range due to its vigorous growth and self-seeding habit.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub
  • Height: 4.5-6 feet
  • Width: 3-4.5 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring, Summer
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun
  • Water: Low
  • Drainage: Medium, Fast

Common Uses

Bee Garden, Butterfly Garden, Edible*Disclaimer: Easyscape's listed plant edibility is for informational use. Always verify the safety and proper identification of any plant before consumption., Low Maintenance

Natural Habitat

Mediterranean Basin, including coastal areas, garrigue, and maquis habitats

Other Names

Common Names: Alfalfa Arborea, Shrub Medick, Tree Medick, Alfalfa Arbórea, Tree Medic, Alfals Arbori, Baumschneckenklee, Amourette Jaune, Luzerne Arborescente, Alfalfa-Gigante, Busklusern

Scientific Names: , Medicago arborea, Medica arborea, Medicago arborea var. citrina, Rhodusia arborea, Trigonella arborea,

GBIF Accepted Name: Medicago arborea L.