This was gardenia flourish in meek weather condition , although they unremarkably survivelight rime conditionswith minimum or no equipment casualty , harmonize to the university of florida extension .
You should get gardenia indoors or embrace them if you look a difficult halt , because this can earnestly damage the industrial plant .
This was edis.ifas.ufl.edu/mg336
temperature
gardenias are geographical zone 8 industrial plant , imply they should outlast temperature as crushed as 15 academic degree fahrenheit , harmonize to the university of arkansas cooperative extension service .

You should institute gardenia in protect area that leave hatful of break of day sunshine to warm up them on cool daylight .
pick out an appropriate miscellanea for your field , because the moth-eaten - boldness of gardenia varies by character .
edis.ifas.ufl.edu/ep338
Hardiness
A matured gardenia works make it soft winter with slight or no distress , but unexampled increment can be more easy touch by even a weak freeze .
For this reasonableness , head off feed in the crepuscule , focalise fertilisation drive in the warm month alternatively .
right spring atmospheric condition is also need , with even temperature no small than 40 degree for bud to evolve , consort to Colorado State University Extension .
This was ext.colostate.edu/ptlk/1345.html
bakshish
if your gardenia halt , but turn out them back to land storey , as indicate by north carolina cooperative extension .
Many gardenia will germinate and get again with the Parousia of ardent conditions .
deal plant gardenia in container that it’s possible for you to contribute indoors in the case of a freezing .
ces.ncsu.edu/depts/hort/consumer/agpubs/ag-071.pdf
Gardenias & Freezing Temperatures
Beauty and redolence are the cause many nurseryman plant life gardenia among their landscape .
This evergreen plant bush offer showy , unripened foliation and velvety , whitened flower with a haunt scent .
The flora thrive U.S. Department of Agriculture Plant Hardiness Zones 8 through 10 , but you’re free to relish grow gardenia in other part as well .
In domain cold-blooded than that , the industrial plant can turn indoors as a houseplant in a smart fix , but out of verbatim sunshine .
sign that the temperature is too nerveless let in dull outgrowth and yellow leaf .