▁professor ▁John ▁P . ▁M ahl st ede , ▁this ▁building ▁originally ▁hous ed ▁staff ▁and ▁The ▁Spe er ▁Room , ▁where ▁many ▁classes ▁and ▁events ▁are ▁held . ▁ ▁It ▁is ▁thought ▁to ▁be ▁one ▁of ▁the ▁most ▁beautiful ▁rooms ▁in ▁Iowa ▁with ▁swe eping ▁views ▁of ▁the ▁Gard ens ▁p ict ured ▁from ▁glass ▁walls ▁that ▁extend ▁from ▁ce iling ▁to ▁floor . ▁ ▁Staff ▁offices ▁were ▁removed ▁from ▁this ▁building ▁in ▁a ▁renov ation ▁project ▁of ▁ 2 0 0 8 . ▁ ▁Rose ▁Gard ens ▁- ▁over ▁ 2 , 0 0 0 ▁rose ▁plants , ▁representing ▁ 2 5 4 ▁different ▁vari eties . ▁This ▁garden ▁received ▁the ▁All - America ▁Rose ▁Se lections ▁( A AR S ) ▁President ' s ▁Award , ▁given ▁ann ually ▁to ▁a ▁single ▁public ▁garden . ▁ ▁Iowa ▁State ▁University ' s ▁own ▁Buck ▁Ros es , ▁that ▁are ▁disease ▁resist ant ▁and ▁winter ▁hard y , ▁are ▁displayed ▁and ▁a ▁central ▁part ▁of ▁Re iman ▁Gard ens . ▁ ▁There ▁are ▁also ▁ 3 0 0 ▁vari eties ▁of ▁he ir lo om , ▁hy brid ▁tea , ▁and ▁shr ub ▁ros es ▁on ▁display . ▁ ▁For ▁ 2 0 0 7 , ▁the ▁Gard ens ' ▁staff ▁has ▁designed ▁one ▁of ▁the ▁country ' s ▁first ▁sust ain able ▁rose ▁gard ens ▁installed ▁in ▁the ▁spring ▁and ▁dedicated ▁in ▁the ▁summer ▁of ▁ 2 0 0 7 . ▁▁ ▁Class ▁of ▁ 1 9 5 5 ▁Hill side