Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
hortensis, e, adj. [hortus], of or belonging to a garden, garden-: lira, Col. 9, 4, 4: DII, Inscr. Orell. 1626: IOVIS, Inscr. ap. Marin. Fratr. Arv. p. 390.