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 silver inch plant is a popular trailing plant known for its attractive foliage with zebra-like stripes of green, silver, and purple. Tradescantia zebrina is very easy to care for and can be hung or placed indoors. The plant grows fast; the creeping stems bear roots along the way, making it suitable as ground cover.

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.

The common sunflower is recognizable for its bright flower on a very tall stem. It is often grown in gardens. These flowers have been important in culture: they were worshipped by the ancient Inca people, and today, they represent eco-friendly movements. The artist Vincent van Gogh made a famous series of paintings about common sunflower. Wild versions of the plant branch out to many flower heads, but domesticated plants typically only have one.

Solanum lycopersicum is an annual or perennial herbaceous vine native to Central and South America that produces a large, juicy, edible fruit known as tomato. Today there are over 10000 cultivated varieties. Although tomato is the world’s most popular vegetable, botanically it is a fruit.

Mango tree is a large tree native to the Indian subcontinent. It is most well-known for the tropical fruit it produces, and mango is the national fruit of India, Pakistan, and the Philippines. Mango tree can also be used for wood after the tree’s fruit production is over. This type of wood is highly prized for making musical instruments.

The focal point of a dieffenbachia is the beautiful look and patterns of the foliage, which are often variegated. This plant has showy white blooms, but only flowers in perfect conditions. Use caution, because the dieffenbachia is poisonous; if the sap is ingested it can cause muteness for up to two weeks by numbing the throat and vocal cords.

Aloe vera is an evergreen succulent species native to the Arabian Peninsula. The thick leaves are filled with gooey flesh that stores water for survival in its native desert territories. Aloe vera has become a popular houseplant and is also incorporated into a wide range of cosmetics and skin-care products.

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.

Marijuana (Cannabis sativa) has a very long history of cultivation for various purposes. Marijuana can be used for manufacturing industrial fiber, hemp oil, and food (seeds) in medicine and pharmacy as a recreational drug, and as an entheogen among other applications. Each plant is either male or female, with only the females producing useful amounts of oil.

Common sowthistle is a common weed originated in Europe and West Asia. Alongside many sister species that hard to distinguish, it is considered to be an invasive plant in many parts of the world. Its leaves with some bitter taste are editable either green as a part of a salad or cooked in various ways.

The bigleaf hydrangea is a deciduous shrub native to Japan, and is known for its lush, oval, colorful inflorescence. The two types of Hydrangea macrophylla are mopheads - with large, ball-shaped, sterile flower clusters, and lace capes - with small round fertile flowers in the center, and sterile flowers on the outer side of each inflorescence. Depending on soil pH, blooms can change color from pink to blue.

The swiss cheese plant (Monstera deliciosa) produces bright, glossy leaves and makes a popular houseplant. It is originally native to tropical forest regions in Central America. The nickname swiss cheese plant refers to the small holes that develop in the plant's leaves. The long fruits resemble corncobs and smell sweet and fragrant when ripe.

Weeping fig (Ficus benjamina) is an evergreen tree native to Asia and Australia. It is one of the most popular houseplants in the world, known for its elegant, glossy leaves. However, people with allergies should avoid weeping fig, considering that it is a major source of indoor allergens. All parts of the plant are poisonous except the fruits.

The calla lily is a well-known ornamental plant with several cultivars receiving the Royal Horticultural Society's Award of Garden Merit. The most calla lily cultivars include 'Crowborough', 'Green Goddess', 'Pink Mist', and 'Red Desire'. They are popular as a cut flower or a rhizomatous herb in warm gardens.

The Nephrolepis exaltata is commonly known as the boston fern or sword fern. It is a common and popular houseplant that is native to tropical environments. While the boston fern can survive droughts, it prefers humid environments and should be misted regularly. It is generally considered non-toxic and is pet friendly.

Creeping woodsorrel (Oxalis corniculata) is a flowering herb which grows aggressively. The leaves have a lemony flavor and are often made into tea that's rich in vitamin C. However, if ingested in large amounts the oxalic acid for which the genus is named can begin to block the body's calcium absorption.

Treasure flower is an ornamental native to South Africa. With one look at the flowers on this plant, you’ll understand why its common name is treasure flower. Bi-colored and bold, treasure flower can be found in combinations of white, orange, yellow, cream, red or pink.

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.

The ti plant is a palm-like shrub that symbolizes the connection between the living and the dead for some Austronesian cultures, having many ceremonial purposes. In practical terms, ti plant is used to make dyes and is grown for ornamentation.