The pepper are commonly used for cooking in places such as the Southern U.S. and Central America. Most are moderately spicy, though because there are so many variants, the spice level can vary dramatically. Cayenne powder is also a popular seasoning product made from pepper plants.

Mexican tea (Dysphania ambrosioides) is native to tropical parts of the Americas. Both the leaves and stems have tiny glands that give off a bad-smelling odor. It’s a weed that grows along the sides of roads and stream beds.

The straggler daisy is a low-growing ground cover plant that tolerates shade and can withstand moderate foot traffic. The straggler daisy blooms for the entire spring, summer, and well into fall. In frost-free areas, year-round blooming is possible and the flowers of this plant are a sunny yellow color.

Although the stinging nettle has a variety of uses it is best known for its eponymous sting. It has sharp defensive hairs on its leaves and stems which will release pain-inducing chemicals when touched. Nevertheless, Dorset, England hosts an annual World Nettle Eating Championship, which started with a debate between two farmers over the severity of their nettle infestations. To consume them more safely, stinging nettles must be thoroughly boiled.

Parlor palm (Chamaedorea elegans) is a palm tree native to Mexico and Guatemala which grows in rainforest environments. Parlor palm is widely cultivated as a houseplant and grows well in light soil out of direct sunlight.

Moon cactus (Gymnocalycium mihanovichii) is a cactus native to South America. Some moon cactus variants are ornamentally valued for their red, yellow, and orange pigments, which result from the total lack of chlorophyll in these colored variants. This species make popular houseplants and grow best in bright, indirect light.

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.

Large yellow loosestrife is a wildflower that is easy to grow and is native to Central Europe and Asia Minor. Large yellow loosestrife is resistant to deer and attractive to bees. It blooms spring through fall with cheerful yellow flowers on stiff upright stems.

Black mulberry (Morus nigra) is a deciduous flowering tree native to southwestern Asia and the Iberian Peninsula. Black mulberry has been cultivated for a very long time in Europe and China for its edible fruit. It was imported into Britain in the 17th century with hope it would be useful in cultivating silkworms. However, silkworms prefer the white mulberry.

Bleeding-heart vine (Clerodendrum thomsoniae) is a bushy, evergreen vine with shiny green leaves and tropical-looking flowers. It grows well on a trellis and can grow to 4.5 m long. Clusters of rich red and white blossoms bloom year-round but most prominently in summer. It prefers full sun but can tolerate partial shade.

The leaves of the tea (Camellia sinensis) are used to make black, green and oolong tea. A small, evergreen shrub whose small, fragrant, white flowers bloom in fall. Prefers full sun, in well-drained, slightly acidic, sandy soil. Tea leaves can be harvested after the third year.

Common bean is one of the most widely produced cash crops in the world, with 23.6 million tons grown in 2016. China is the largest producer of common bean, accounting for 79% of the market share. While common bean is known as a staple food source, the leaves can be used to trap bedbugs and the beans are widely used in a type of fortune-telling called "pharmancy".

Arrowhead plant (Syngonium podophyllum) is a beautiful foliage plant, one of the most popular species of the Araceae family. Due to its air purifying qualities and good looks, arrowhead plant is often cultivated as a houseplant. Every part of this plant is toxic, so it's best to keep it away from kids and pets.

Rosemary is a herb with pale flowers and evergreen leaves. It gives off a distinctive scent and is used in cooking as well as in the making of scented perfumes, soaps, and candles. Rosemary is native to the Mediterranean region where evidence of its use by humans dates back at least 7000 years.

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.

African marigold is a common garden plant with bright orange or red flowers. Its use in decorative and ceremonial gardens dates back to ancient Aztec civilizations. Not only does african marigold add bright colors, but it is also known to repel insects, rabbits, and deer thanks to its toxic latex.

Garden lettuce (*Lactuca sativa*) is a hardy annual plant commonly cultivated as a leafy vegetable. The earliest evidence of its cultivation goes all the way back to Ancient Egypt. Its leaves are often used for making salads, and they are an excellent source of vitamins K and A.

Florist kalanchoe (Kalanchoe blossfeldiana) originates from Madagascar and has been a popular houseplant since the 1930s. Unlike most other succulents that are grown for their interesting leaves, Kalanchoe blossfeldiana is valued for the colorful flowerheads it produces in autumn and winter. This is the reason it is commonly gifted during holidays, earning it another name - Christmas kalanchoe. It is toxic to pets.

The garden dahlia is a common spring flower that comes in a wide range of colors. The flowers themselves are unscented and attract pollinators, like bees, using only their bright coloration. Dahlia pinnata plants were grown by ancient Aztecs, and it is now the official flower of Mexico. It is genetically related to garden plants like sunflowers and zinnias.

The common lantana is a flowering plant that grows best in tropical environments. It spread outside the Americas when the Dutch brought it to Europe. The plant is generally regarded as an unwanted weed that reduces biodiversity. Additionally, it is toxic to livestock and harms the output of farmland.