Butterfly pea are revered as holy flowers in India and are utilized in everyday puja rituals. The flowers of this vine are shaped like human female genitals, hence the Latin name. This plant’s pods and leaves are eaten as vegetables, while the flowers are used as an organic food dye and in Ayurvedic medicine in Southeast Asia.

Wandering Jew has been introduced to North America where it is considered a noxious weed. It can be highly invasive - spreading across crops and pastures, outcompeting more desirable plants.

Guava (*Psidium guajava*) is a fruit-producing evergreen shrub that grows natively in the Caribbean region and South America. Guava attracts the honey bee and other insects, and guava fruit is edible. Additionally, guava wood is used for smoking meat.

Sisal (Agave sisalana) is a succulent plant whose yellow flowers bloom along a stalk rising up to 9 m tall and have an unpleasant scent. The flowers, stalk, basal rosette and sap of this plant are edible. Plant in full sun outdoors or place in a bright, sunny location indoors.

The milky white flowers of the red spikethorn (Gymnosporia senegalensis) grow at intervals along its red branches. Despite its unpleasant spines, it is an important food source for African animals, with monkeys, rhinos, birds and even larval butterflies depending on its fruit, bark and leaves.

The sicklepod (Senna obtusifolia) grows best in full sun and moist soil. It thrives in rocky dirt and nutrient-rich soil. For an annual plant, it's slow to develop and grows best late in its growing season.

The madagascar periwinkle (Catharanthus roseus) is an evergreen subshrub or herbaceous plant. It has a long history of cultivation. Over the years, many cultivars have been developed, most commonly with the aim of incorporating new colors or making the plant more tolerant to cold.

Royal poinciana (Delonix regia) is also known as the “peacock tree” or the “flamboyant tree.” It’s a Madagascar native and is known for its brilliant crimson or red-yellow flowers. It grows exceedingly fast, reaching its maximum height of around 12 m in a short amount of time.

The cylindrical snake plant (Sansevieria cylindrica) is a succulent houseplant that can grow up to 2 m tall. It has slender, upright leaves that are striped and resemble a snake. This species is a hardy succulent and can grow in conditions with low light. It adapts to dry, sunny locations with well-drained soil.

Black wattle (Acacia mearnsii), indigenous in southeastern Australia, has been introduced to countries around the world for industrial purposes. The main products are tannin from its bark and woodchips for paper. Because of the high number of seeds it produces, and their longevity, it spreads very rapidly and is considered one of the most invasive plants in the world.

Umbrella Sedge (Cyperus alternifolius) is a perennial houseplant that grows best in full sun, bright indoor light, or light shade. Umbrella Sedge is named for its leaves that resemble the spokes of an umbrella growing atop a long upright stalk. It is an ideal pond or aquatic plant because it grows well in water.

Red spiderling (Boerhavia diffusa) is a herbaceous perennial plant with delicate pink flowers. The plant's roots are eaten in native Australian cultures, and it is eaten as a leafy vegetable in many Asian and African countries. This plant has been listed as an invasive species in many countries including Cambodia, Chile, and Japan.

Apple of Sodom, or Calotropis procera, is an extremely poisonous plant. The fruit of this plant ripens and bursts, causing the seeds to scatter. In Jamaica, the fibers inside of the fruit are collected and used to stuff pillows.

Hibiscus calyphyllus (syn. Hibiscus calycinus Hibiscus chrysantha Hibiscus chrysanthus Hibiscus rockii) the lemonyellow rosemallow is a shrub from tropical Africa belonging to the genus Hibiscus. In 1883 this Hibiscus was offered for sale in England under the name Hibiscus chrysanthus with Port Natal Cape Colony (now South Africa) identified as the source. By 1891 the same Hibiscus was identified as Hibiscus chrysantha in the United States a practice which spring have continued into the 1930s and contributed to incorrect species identification. In 1892 the name Hibiscus calycinus was designated as the correct name for the species; but by 1894 the currently accepted name Hibiscus calyphyllus is found in association with Hibiscus calycinus. At the beginning of the 20th century this Hibiscus was sold as seeds in the United States under the name Hibiscus Giant Yellow. Because of the similarity of the flowers it is quite common to find Abelmoschus manihot confused with Hibiscus calyphyllus in the early 20th century gardening literature of the United States particularly in the area of cold tolerance. If the species identification is correct the 1903 report in The Flower Garden states that: "Giant Yellow is a beautiful canary yellow with crimson throat hardy as far north as St. Louis but safer in the cellar above that latitude" then Hibiscus calyphyllus spring have some degree of cold tolerance. St. Louis Missouri is in USDA Zone 6a but there are currently no reports of Hibiscus calyphyllus overwintering in USDA Zone 6a; it is known to overwinter successfully in USDA Zone 8a. Hibiscus calyphyllus grows to 1-1.8 meters (3–6 feet) tall. It has flowers which grow to 8–10 cm (3–4 in) wide with a yellow color and a brownish center. Unlike many African Hibiscus which are fall to late-fall bloomers Hibiscus calyphyllus is a summer bloomer which means it can be grown in many locations in North American and Europe and produce viable seeds which are easy to collect and germinate. If the seeds are started indoors early in winter or spring Hibiscus calyphyllus will bloom the first year. Hibiscus calyphyllus is a day-bloomer with the flowers opening several hours after sunrise and closing several hours before sunset. No hybrids of Hibiscus calyphyllus have been reported but Hibiscus syriacus and Hibiscus calyphyllus have identical diploid chromosome counts of 80. The plant is used in the construction of huts by the Maasai people of Kenya.

Hyacinth bean is a multipurpose legume that grows as an annual or a short-lived perennial in the summer. It is an Lablab purpureus herbaceous plant that twines, climbs, trails, or stands upright. Young seeds, pods, and leaves are grown for food across the tropics. The mature, dry beans can be eaten if appropriately cooked; otherwise, they may be toxic.

Maize (Zea mays) is a well known domesticated cereal grain first domesticated in Mexico. In much of the world it is also called corn. Worldwide cultivation of maize surpasses other prominent grains like wheat and rice. Maize must be planted in the spring due to its intolerance for cold weather.

The toothbrush tree, as its name suggests, is often used as a natural substitute for a toothbrush; its fibrous branches make it quite effective at the task. Additionally, there are now modern toothpastes made using extracts from the toothbrush tree. It is most commonly found in Africa and the Middle East.

Asthma-plant (Euphorbia hirta) is a ground-hugging spurge weed whose branches can grow to 61 cm long. It blooms from summer through early fall, dying off after the first frost. A milky sap will seep from broken stems or leaves. It can be a nuisance weed that reproduces rapidly.

Desert rose is widely cultivated as a houseplant or as bonsai for its beautiful flowers. As a succulent plant originating from the Sahara and tropical Africa and Arabia, it requires a minimum temperature of 10 ℃ to survive. Its sap was used to poisoning arrows in Africa.

Turtle vine (Callisia repens) is a plant species native to Central and South America. The turtle vine is also known as the turtle vine. This species is easily propagated using plant cuttings. Turtle vine is considered a resilient species to grow for ornamental purposes. It grows best in acidic, well-drained soil.