. ▁The ▁Gard ens ▁officially ▁opened ▁its ▁ ▁conserv atory ▁complex ▁with ▁an ▁open ▁house ▁on ▁November ▁ 2 , ▁ 2 0 0 2 . ▁ ▁The ▁new ▁building ▁made ▁the ▁Gard ens ▁a ▁year - round ▁facility ▁with ▁an ▁ind oor ▁plant ▁conserv atory ▁( 5 , 0 0 0 ▁square ▁feet ), ▁a ▁glass ▁house ▁filled ▁with ▁tropical ▁plants ▁and ▁ex otic ▁but ter f lies ▁( 2 , 5 0 0 ▁square ▁feet ), ▁an ▁aud itor ium ▁for ▁classes ▁and ▁events , ▁gift ▁shop , ▁a ▁ca fe ▁an ▁events ▁hall way , ▁green h ouses ▁dedicated ▁to ▁the ▁ind oor ▁glass ▁house ▁needs , ▁a ▁head house , ▁staff ▁offices , ▁and ▁two ▁large ▁areas ▁housing ▁all ▁the ▁he ating ▁and ▁cool ing ▁and ▁green house ▁systems ▁equipment . ▁ ▁In ▁ 2 0 0 7 , ▁a ▁construction ▁project ▁removed ▁the ▁ca fe ▁and ▁moved ▁the ▁gift ▁shop ▁to ▁the ▁north ▁of ▁the ▁conserv atory ▁building . ▁ ▁The ▁old ▁gift ▁shop ▁and ▁ca fe ▁space ▁was ▁converted ▁into ▁meeting ▁space ▁and ▁became ▁known ▁as ▁The ▁Garden ▁Room . ▁ ▁Arch itect s ▁Smith ▁Met z ger ▁designed ▁the ▁Christ ina ▁Re iman ▁But ter fly ▁Wing , ▁the ▁M ahl st ede ▁Learning ▁Center , ▁Conserv atory ▁Complex ▁and ▁Hun z iker ▁Garden ▁House . ▁ ▁Ann ual ▁them es ▁Re iman ▁Gard ens ▁uses ▁a ▁process ▁called ▁Dim ensional ▁Design ▁to ▁create ▁its ▁annual ▁theme . ▁ ▁Using ▁a ▁hol istic ▁approach , ▁Dim