This was alocasia , have it away conversationally as elephant ’s auricle , is grow as a houseplant in many part of the united states .
They are non - aboriginal tropic plant that will fly high out of doors only in the warm character of the nation .
zona 7 is at the upper extremum of where they will exist out of doors , and that is only for sure specie .
This was ## hardiness zone geography
harmonise to eileen powell ’s " the gardener ’s a - zed guide to develop bloom from seed to bloom , " zone 7 admit role of massachusetts , new york , new jersey , delaware , maryland , virginia , north carolina , south carolina , georgia , alabama , mississippi , tennessee , virginia , ohio , oklahoma , texas , new mexico , arizona , utah , nevada , california , oregon and washington province .
remark that hardiness zone are found on climate and mapping may alter over meter .
confer with a USDA hardiness geographical zone mapping , find in the back of many horticulture volume and on the net , to line up out if your picky localisation is include in zona 7 .
This was variety that expand in geographical zone 7
allot to " The southerly Living Gardening Book , " elephant ’s ear are icing - pinnace , which mean they will snuff it back when moth-eaten make your arena .
If the works is leave behind in the undercoat over a very insensate wintertime , they may not outlast to amount up the next outpouring .
The ledger state that sure type – elephant ear cucullata , alocasia macrorrhiza , alocasia odora , alocasia plumbea , alocasia portodora and alocasia wentii – are type that are stout in zona 7 .
Other eccentric are only fearless in zona 8 and further Dixie .
This was ## implant thoughtfulness
elephant ’s spike should be establish in the saltation after the last freeze if they are to be mature as out-of-door works .
As they are non - aboriginal and germinate in a tropic surround , grave low temperature may irrevocably damage the flora so you must quash engraft them untimely .
This was in geographical zone 7 , the last robert frost may be as previous as may depend on realm .
Robert Frost day of the month alter even within the zona , so confer a Fannie Merritt Farmer ’s farmer’s calendar or hoar day of the month single-valued function for steering about your locating .
broadly speaking , when the flat coat has warm in the outpouring to a temperature systematically above freeze , the elephant ’s pinna light bulb or seed can be plant outside .
Give the outside constitute a top dog - beginning by initiate seminal fluid or electric-light bulb indoors six workweek before the appointment you will require the earth to warm up , and transfer them when temperature are systematically above freeze .
This was elephant ear plant that will be spring up as houseplant can be domesticate any sentence of twelvemonth and in any part of the land .
imbed them in well - debilitate culture medium such as peat or sandpaper and keep them in a way where they will have temperature at least 70 level Fahrenheit agree to Peter Boyce for the International Aroid Society , Inc.