Нет, курить ее точно не надо - фиг его знает, не зря же ее называют "коровьей чесоткой".... покуришь и того... хорошо если теленочком станешь, а то вдруг и вовсе старой коровой?... вот че пишут:To begin with, the vine is aggressive and can reach thirty to forty feet, climbing and scrambling over any obstacle....   it puts out huge numbers of tendrils that grab onto every available surface, and eventually expand into heavy woody stems several centimeters in diameter. It grows well on arbors, fences, telephone poles, and trees, although it may dismember them in the process. ....  It self sows and you’ll quickly have little trumpet vines ...The trumpet vine thrives in many places in southern Canada as well....