Oenothera is a genus of about 145 species of herbaceous, flowering plants native to the Americas. Common names include "evening primrose", "suncups", and "sundrops". The flowers of many species open in the evening, often times in under a minute. Most species have yellow flowers, but some have white, purple, pink, or red.
Oleander is an evergreen shurb or small tree that can grow between 6 to 20 feet tall. They grow well in warm, subtropical regions and are drought tolerant. Their flowers can be red, purple, pink, or orange.
The olive is a species of a small tree in the family Oleaceae. The plant has significant importance in the Mediterranean region as the source of olive oil, and is one of the most extensively cultivated fruit crops in the world. It produces silvery green, oblong leaves and small, white, feathery flowers. The fruit is divided into three categories: green, semi-ripe/turning-color, and black/ripe.