Cool Black Hibiscus Flower Ideas. The term hardy hibiscus generally refers to cultivars of hibiscus moscheutos that are bred to tolerate colder temperatures than most hibiscus species, most of which are. Bees can collect pollen from a flower and transfer it to their bee hive to turn it into a collectible honeycomb.
The perennial hibiscus flowers, some of which are hardy to zone 4, are mostly cultivars of native us wildflowers, commonly called rose mallows. The flower is used as an accessory, particularly as a hairpiece. The flower can also be used as a ph indicator;
