Definition of agastache in English:

agastache

noun

North American
  • Any of various perennial plants constituting the genus Agastache (family Lamiaceae (Labiatae)), native chiefly to North America, having multiple spikes of tubular pink to purple flowers and scented leaves; especially (in later use) any of the many cultivated varieties grown in gardens for ornament. Also (in form Agastache): the genus itself.

Origin

Early 20th century. From scientific Latin Agastache, genus name (J. F. GRONOVIUS Flora Virginica 88) from ancient Greek ἄγαν very much + στάχυς ear of corn, so called on account of the multiple flowering spikes of the plant.

Pronunciation:

agastache

/əˈɡastəki/