The oat (Avena sativa), a member of the grass family, is one of the most widely cultivated plants on earth, being used as a food crop, as livestock feed, and as an ingredient in cosmetics (especially lotions and soaps). Oats are nutrient-rich and provide more protein and fat than other grains. The plant is best grown in temperate climates with cool, wet summers, so the leading oat producers include Russia, Canada, and Spain.

European crab apple (Malus sylvestris) is a plant species that can live to be one hundred years old. European crab apple is native to Europe and its latin name Malus sylvestris means forest apple. Caterpillars of the twin-spotted sphinx feed on the leaves of european crab apple. This species has been considered an important ancestor of the domestic apple.

Sweet chestnut (Castanea sativa) is a chestnut tree native to the southern region of Europe. The seeds of sweet chestnut are one of the most ancient foods. Sweet chestnut grows well in weathered soil at an acidic pH.

Aegopodium podagraria, commonly known as ground elder, is a herbaceous perennial native to Eurasia. Origin of its common name lies in the shape of its leaves and flowers, somewhat similar to elderberry. Ground elder is often cultivated as an ornamental plant. Due to its fast spread via rhizomes, it is considered an invasive species in certain countries.

False christmas cactus gets its name from its flowering season; producing red purple pink or white flowers from fall to winter. Native to a small coastal strip on the east of Brazil this cactus prefers the shade and humidity of jungle conditions. In the wild hummingbirds pollinate the flowers.

Pink-sorrel (Oxalis articulata) is a perennial flowering plant that grows in temperate climates throughout its native South America. Pink-sorrel is popular for ornamental ground cover growth in China and Turkey. It is susceptible to fungal disease.

The garden croton is a showy tropical display that does well indoors or in warm climates. Known for its attractive foliage, this plant can have both color and structural variations in its leaves. Leaf colors can include orange, yellow, scarlet, white, and green, and many times all are present on one plant.

Painted-leaf begonia (Begonia rex) is a flowering perennial native to tropical climates in Central America and South America. Painted-leaf begonia is cultivated inside as a houseplant in temperate climates and grown outside in cooler climates.

Dwarf umbrella tree (*Schefflera arboricola*) is an evergreen, multi-stemmed shrub native to China. It is commonly grown as a houseplant or a garden plant in milder climates for its decorative palmate compound leaves. The leaves contain calcium oxalates, which can damage internal organs when ingested. It shouldn't be confused with the Australian umbrella tree, *Schefflera actinophylla*.

Flax (Linum usitatissimum) is a slender straight and narrow-leafed annual that produces sky-blue flowers in summer. After blooming each flower produces a seed pod of 4 to 10 seeds. Flax is cultivated for its fiber linseed oil and edible seeds. It prefers full sun and cool weather and will grow from 61 to 91 cm tall.

Tree gloxinia (Kohleria amabilis var. bogotensis) is a flowering plant native to Honduras and Columbia that has become popular as an ornamental. It blooms exotic spotted flowers in spring and summer.

Cape leadwort is a flowering plant native to South Africa. Its Latin name, Plumbago auriculata, is derived from the word auriculata meaning "with ears," referring to the shape of its leaves. The leaves serve as food for the caterpillar of the Hummingbird hawk-moth. The plant's sticky sepals, on the other hand, can grab animals as small as a housefly.

Primrose jasmine (Jasminum mesnyi) is a large shrub that can climb trellises. Its arching branches bear piles of yellow, fragrant flowers. It's often planted in mass plantings and hedges. Primrose jasmine is used to control erosion or as cover for unsightly structures.

Creeping bellflower (Campanula rapunculoides) is a perennial plant native to Europe and Siberia. Creeping bellflower grows in the wild in meadows, grassy areas, and forests and is considered an invasive species in Canada.

Grape Leaf Begonia can easily be cultivated and has decorative flowers. These flowers are the main reason why people cultivate this plant. It has succulent stems which enables it to store water for drought. It is distinct for having glossy features and symmetrical leaves.

Evergreen spindle(Euonymus japonicus) is a popular ornamental evergreen shrub with numerous cultivars. Due to its superb adaptability and decorative looks, evergreen spindle can be found in parks and gardens all over the world. Its flowers produce a lot of nectar, which makes this plant very attractive to bees.

Turnsole (*Heliotropium indicum*) is a plant species native to Asia. The species develops long bunches of purple- or lavender-colored, five-petaled flowers. Turnsole has been introduced to much of the tropical and subtropical world though it is very often considered a pesky invader.

Orange lily (Lilium bulbiferum) is a flowering herbaceous lily species native to Europe. This species is toxic to cats. Its scientific name means "bearing bulbs." orange lily is the symbol of the Orange Order, a protestant fraternal order in Ireland.

Orange cestrum is fascinating because of its appearance, it has trumpet-shaped flowers and their petals' tips form a shape similar to a star. This plant's colors vary from golden yellow to orange. It is known to emit a citrusy fragrance at night.

Floss silk tree (Ceiba speciosa) is a tree species native to South America. Floss silk tree may reach more than 25 m in height. The floss silk tree attracts hummingbirds. Other animals tend to stay away from this tree because the trunk is studded with thick, sharp thorns.