Hoary alyssum

(Berteroa incana)

  • Annual to short-lived perennial forb
  • Has tiny star-shaped hairs on the stems, leaves, sepals, and seed pods
  • Flowers have four white, notched petals and are clustered at the stem tips
  • Blooms and forms seeds spring through fall (dependent on water availability)
  • Reproduces only by seed
  • an form a persistent seed bank and seeds can remain dormant and viable for several years
  • Low overall water requirements
  • Adapted to dry, sandy, gravely soils, but is opportunistic and can also invade cropland, pastures, and disturbed areas
  • Natie to east-central Europe and western Asia
  • Can be toxic to horses if forage is greater than 30% contaminated