Lewis & Short

vĭresco, ĕre, v. inch. n. [1. vireo], to grow or become green or verdant.

  1. I. Lit.: rami arboribus, Lucr. 1, 252: gramina, Verg. G. 1, 55; Ov. M. 4, 394; Plin. 15, 24, 29, § 101; Sen. Thyest. 54; Ambros. in Luc. 7, 127.
  2. II. Trop., to shoot forth, be developed, Claud. Cons. Prob. et Olybr. 63 (but in Lucr. 1, 674 the correct read. is vigescat; cf. id. 1, 757).
    1. B. To flourish, prosper, grow: populi Romani adulescentia, quā maxime viruit, Flor. 1, 22, 1: virescit vulnere virtus, Furius ap. Gell. 18, 11, 4, and ap. Non. p. 188, 8.