eds ▁per ▁ ounce . ▁The ▁flowers ▁are ▁herm aph rod ites . ▁ ▁Cult iv ation ▁As ▁these ▁plants ▁are ▁of ▁tropical ▁origin , ▁they ▁grow ▁best ▁in ▁full ▁sun light ▁and ▁should ▁be ▁placed ▁in ▁a ▁well - dra ined ▁area . ▁The ▁flower head s ▁can ▁last ▁up ▁to ▁ 8 ▁weeks , ▁and ▁further ▁growth ▁can ▁be ▁promoted ▁by ▁removing ▁dead ▁flowers . ▁ ▁Cult iv ars ▁ ▁Cel os ia ▁arg ente a ▁var . ▁crist ata ▁' F lam ingo ▁Fe athers ' ▁is ▁a ▁cultiv ar ▁that ▁can ▁grow ▁up ▁to ▁ 2 ▁feet ▁in ▁height . ▁The ▁colors ▁are ▁pre domin antly ▁p ink ▁to ▁light ▁vio let , ▁and ▁the ▁leaves ▁are ▁a ▁dark er ▁green ▁than ▁other ▁cultiv ars . ▁The ▁Century ▁cultiv ars ▁are ▁usually ▁t aller ▁( 1 – 2   fe et ), ▁and ▁are ▁bright ▁red , ▁yellow , ▁orange , ▁or ▁p ink . ▁The ▁Kim ono ▁cultiv ars ▁are ▁generally ▁smaller ▁( 4   in ches ▁– ▁ 1 ▁foot ), ▁and ▁have ▁more ▁m uted ▁colors , ▁though ▁similar ▁to ▁the ▁Century ▁cultiv ars . ▁Other ▁colors , ▁such ▁as ▁white , ▁burg und y , ▁orange - red , ▁etc ., ▁can ▁be ▁found . ▁C ertain ▁vari eties ▁will ▁grow ▁to ▁ 3 – 4 ▁feet ▁in ▁height . ▁Cel os ia ▁pl um osa , ▁also ▁known ▁as ▁Prince ▁of ▁Wales ▁fe athers , ▁is ▁a ▁syn onym ▁for ▁Cel os ia ▁arg