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.

Mexican fireplant is native to tropical America, but it has been naturalized in other tropical and subtropical regions in the world. *Euphorbia heterophylla* is a poisonous plant to humans and livestock. It contains a toxic milky sap which can cause strong skin irritation.

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.

Sandalwood (Santalum album) is a small tree with large utility. It is highly valued for its aromatic sandalwood oil, which is so popular that the tree has been harvested almost to extinction. The wood of sandalwood is prized for its hardness and aroma, and it is one of the most expensive woods in the world.

Egyptian grass is native to Africa and can function to anchor loose soil or sand. Because it always shows up on barren land and grows quickly, it is considered an invasive species in the United States and some other regions.

Holy basil (Ocimum tenuiflorum) is a fragrant herb that’s indigenous to India. It’s a popular ingredient in Thai cuisine. When used for this purpose, it’s called Thai holy basil. Adherents of the Vaishnava strain of Hinduism use it in religious ceremonies. Holistic practitioners worldwide place immense value on the aromatic essential oil derived from the plant.

Golden shower tree (Cassia fistula) is a plant that is found in tropical and subtropical regions. It is at its peak during the middle of the summer. Golden shower tree is both the national flower and tree of Thailand. The Latin name "Cassia" comes from "Kassia", which means "fragrant plant." It holds a sacred place in scriptures like the Ramayana and Mahabharata.

Devil's trumpet (Datura metel) is a highly toxic annual species. Devil's trumpet ingestion can cause headaches, hallucinations, coma, and death. In spite of its toxicity, it is sometimes grown as an ornamental flower.

Indian blanket is a wildflower of meadows and prairies growing daisy-like flowers with a russet-colored central disk encircled by red rays with yellow tips. Pollinators such as bees and butterflies are drawn to the nectar produced by this plant. Mass planting produces a spectacular combination of brilliant reds and yellows that looks breathtaking in landscapes.

While the black locust may have a bad reputation in many areas of the US due to its opportunistic and rapid growth, there are benefits to this tree. The black locust is an important food source for honey bees and is a good choice for windbreaks since it grows so quickly (91 to 122 cm per year). Its wood also resists rot, so it is used in fenceposts. The plant is highly toxic, though, and should never be consumed.

Arrasa con todo (Gomphrena serrata) is a low-growing, mound-forming plant native to Central America and the southern states of the USA. It flowers all year round and grows in open sandy areas, on roadsides, in dry, disturbed sites, in lawns, and in open woods and can be considered a weed.

Tamarind is a monotypic perennial tree grown for its timber and edible fruits. Tamarind trees yield brown seed fruits with a sweet, acidic pulp used in various varieties of cuisines around the world. The pulp is also used as a metal polish.

The sessile Joyweed (Alternanthera sessilis) is an aquatic plant that spreads vigorously from a prominent, very deep taproot. It is listed as a noxious weed in the United States and can devastate small ponds with its aggressive foliage growth. The sessile Joyweed is so dense, it can, in fact, block drainage canals with vegetation and clog irrigation lines!

Because of its prolific blossoming, which can blanket the tree canopy and provide abundant shade, the southern silky oak is a good tree for parks. Its resplendent flowers attract bees, butterflies, and birds. Prior to the invention of aluminum, its wood, which is resistant to wood rot, was frequently used for external window joinery.

Portulaca oleracea, colloquially known as common purslane, is an annual succulent species with reddish stems and tiny yellow, five-petal flowers. It is used for culinary purposes in various parts of the world, most often raw, in salads. Common purslane is also a good companion plant for crops that thrive in moist soils.

The heart of jesus is a poisonous leafy plant. Its paper-thin, heart-shaped leaves lend the plant its common nickname, along with names like "angel wings" and "elephant ear." Though native to South America, its primary hub of cultivation is now around Lake Placid, Florida, where it has become a popular centerpiece for an annual festival.

Sweet basil is a species of mint plant native to Asia and Africa. It is a popular houseplant, and thrives when it receives plenty of regular sun and water. This plant is also easy to transfer from one soil environment to another. The edible sweet basil leaves can be eaten fresh or dried with pizza, salads, soups, teas, and many other dishes.

The Euphorbia milii is commonly known as the crown of thorns or Christ thorn, as it is believed to the plant associated with the crown of thorns that was worn by Christ. It needs to stay above 10 ℃ with full sun.

Crepe myrtle (Lagerstroemia indica) is a highly ornamental small tropical tree or shrub, often multi-stemmed. It is native to India, Southeastern Asia, and Japan, and features a characteristic vase-shaped crown and beautifully-ruffled pink blooms that can last from early summer to autumn. It is also a popular nesting shrub for small birds.

The name of the red Silk Cotton Tree (*Bombax ceiba*) comes from the capsules it produces that are chock-full of white fibers similar to cotton. The plant is found in Asia; in India, it's popular to plant it by roads, where its gorgeous crimson blooms cheer travelers.