Hardy to zone 7? Check! Non-stop beautiful blooms from Spring thru Fall? Check! Plus, an attractive you-can’t-see-through-it 2’x 3’ almost shrubby habit if you grow it in dappled light and humus rich soil. Plentiful 2” flaring tubular lavender-blue blooms with pretty gold and red markings dangle from red stems. Well tolerates heat and humidity.There are reports of folks growing it in USDA zone 6.