Ivy geranium grows best as annuals, except in tropical regions (USDA Cold Hardiness zones 10 to 12) where they grow as tender ...

the foliage of ivy and zonal geraniums also often emits a pleasant scent. Although different in their growth habits, bloom size, and color, these geranium types are most often grown as annuals in ...

It's best to mass ivy geranium in groups for the most privacy. To get the fullest plants -- and therefore the most privacy -- deadhead regularly and pinch back any growth that has gotten leggy.