Definition of doom. 1  1 : a law or ordinance especially in Anglo-Saxon England. 2  2a : judgment, decision; especially : a judicial condemnation or sentenceb (1) : judgment 5a (2) : judgment day 1. 3  3a : destiny; especially : unhappy destinyb : death, ruin.
In its native range Exacum affine is an annual or short-lived perennial and is suitable for permanent outdoor cultivation only in humid tropical and subtropical areas. Grown as a pot plant, this plant requires a well-drained, but moist potting mix. Exacum will tolerate good light but not direct sun.
Overview. Portulaca grandiflora, commonly called portulaca or moss rose, is an evergreen perennial often used as an annual. Portulaca is native to Brazil, Argentina and Uruguay. The genus Portulaca contains other plant species, but P. grandiflora is the main species grown commercially.se portulaca as a bedding plant, in edging, ground cover or in hanging baskets. Portulaca tolerates hot, dry sites like rock gardens. It is commonly grown as a garden annual, but it is a perennial in warm climates. Portulaca grandiflora is an easy-care annual plant and is a good choice for new gardeners.