The term âhalf and halfâ shows up very frequently in cooking and baking recipes in the US, but it is not particularly well known outside of the US (or the term refers to something completely different). When it appears in a recipe, it sometimes generates a little confusion as to what it is.
Note that the purple passion vine (Gynura aurantiaca) is unrelated to the Passiflora species and is considered nontoxic to dogs, according to the American Society for the Prevention of Cruelty to Animals. Purple passion grows in USDA zones 10 through 12. 1  Dig This.
There are many different passion flower plants. Some passion flowers are vines, some produce edible fruits. Here are some tips for growing passion flowers at home. Overview: The genus Passiflora contains over 400 species, so the common name Passion Flower can be a bit confusing.