The Best Cucumber Companion Plants (And a Few You Should Never Grow Nearby) Gardenary FOLIAGE FRIDAY! The purple passionflower (Passiflora incarnata), also known as Maypop, is a native North American perennial vine with intricate, lavender purple flowers that bloom in summer and produce edible, yellowish fruit. We California pitcher plants (Genus Darlingtonia) iNaturalist Red Swamp Banksia Banksia occidentalis Native Plant Project Gewhnlicher Liguster Gemeiner Liguster Ligustrum vulgare Hecke Another variant of the Congo family. Philodendron millions.