▁be ▁grown ▁successfully ▁out do ors ▁in ▁sh ade ▁in ▁temper ate ▁clim ates , ▁where ▁plants ▁will ▁generally ▁co pe ▁with ▁temper atures ▁down ▁to ▁, ▁being ▁killed ▁by ▁fro st s ▁of ▁ ▁or ▁below . ▁ ▁The ▁species ▁is ▁not ▁seriously ▁trouble d ▁by ▁insect s , ▁but ▁mit es ▁and ▁scale ▁may ▁cause ▁occas ional ▁problems . ▁Its ▁leaves ▁and ▁roots ▁may ▁be ▁subject ▁to ▁brow sing ▁by ▁hoof ed ▁m amm als ▁such ▁as ▁de er , ▁as ▁well ▁as ▁rod ents ▁and ▁rabb its . ▁ ▁This ▁plant ▁has ▁gained ▁the ▁Royal ▁H ort icult ural ▁Society ' s ▁Award ▁of ▁Garden ▁Mer it . ▁ ▁A ▁number ▁of ▁cultiv ars ▁are ▁available , ▁including : ▁' As ah i ' ▁( mean ing ▁" mor ning ▁sun " ▁in ▁Japanese ) ▁– ▁the ▁leaves ▁open ▁ch oc olate ▁brown , ▁turning ▁green ▁from ▁the ▁base ▁up wards ▁' H oshi - z ora ' ▁( mean ing ▁" star ry ▁sky " ▁in ▁Japanese ) ▁– ▁large , ▁faint ly ▁spe ck led ▁leaves ▁' L enn on ' s ▁Song ' ▁– ▁long ▁narrow ▁ends ▁to ▁the ▁leaves ▁and ▁a ▁central ▁pal er ▁green ▁stri pe ▁( dis cover ed ▁by ▁an ▁American ▁gro wer ▁of ▁cut ▁fol i age , ▁Robin ▁L enn on ) ▁' Var ieg ata ' ▁– ▁with ▁white ▁stri pes ▁running ▁along ▁the ▁length ▁of ▁the ▁leaf ; ▁has ▁also ▁won ▁the ▁AG M ▁▁ ▁A .   el