Definition of garden mallow in English:

garden mallow

noun

  • (Originally) the common hollyhock, Alcea rosea (family Malvaceae) (now rare or disused); (in later use also) any of several mallows of the genera Lavatera and Malva, now typically cultivated as ornamental plants.

Origin

Early 16th century; earliest use found in The Grete Herball. After post-classical Latin malva hortensis.