Try shit Weights , You could even trellis it like grape vines yeah sence your outdoor you wana go about 3ft from the ground and have it ben there you'll have max light pentration that way have it do a upside down L or a T and next it will try to grow up right again and face the sun then you can bend it down after another foot GL man.

PS: yeah man Green house owns if you wana try and start growing earlyewr and later into season cause you can start and stop durning colder times due to green house temps, theres cheep green house plastic waffle sheets for out doors can screw em together make a nice green house ( make shure you got air flow tho cause it will heat up if done right so a vent hole and or vent fan good idea....)