Nerium oleander, colloquially known as oleander, is a shrub or a small tree, known for its majestic pink five-lobed flowers and deep green lanceolate leaves. Oleander is one of the most poisonous popular decorative garden plants, so it is advised to keep small children and pets away from it.

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.

Elder is a malodorous shrub whose berries nevertheless act as an important food source for birds. To humans, except for its flowers and ripen fruits, other parts are poisonous. Ripen fruits can be cooked and made into jams, jellies and chutneys, while flowers could be made into syrups, but it is recommended to be guided by a professional before picking.

Red clover is widely cultivated as a fodder plant and green manure because its roots can fix nitrogen and increase the fertility of the soil. The cultivated Trifolium pratense is inevitably escaped and is now naturalized globally, including the United States and Australia. Its flowers are attractive, so it is also cultivated as an ornamental plant.

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.

Common yarrow is a wildflower that has feathery leaves and flowers in white, yellow or pink. In China, the plant is considered to be good luck while for some time in Scotland it was believed to have magical properties. It has been brewed into beer, tea, and liquors, but it has low toxicity. Do not consume in large quantities. Common yarrow's bitter leaves are toxic to pets and horses. Other livestock can eat it, though it gives cow milk an unpleasant flavor.

The name of the japanese pittosporum can be deceiving. It is not a true orange plant, it instead gets its name from the fact that the highly fragrant flowers have a distinct citrus scent. The flowers don’t last for a long time, only about two weeks, but the dark evergreen foliage is attractive all year long and the plant makes a great addition to a border or as a stand-alone plant.

Cherry laurel (Prunus laurocerasus) is an evergreen species of cherry, commonly cultivated as an ornamental plant. It is a shrub or a small tree with characteristic glossy, dark green leaves with a leathery texture. Leaves and seeds of cherry laurel contain toxic compounds, which can cause serious poisoning if ingested.

Common bird's-foot trefoil (Lotus corniculatus) is a common flowering perennial plant that grows widely throughout Europe and North America. Commercially, it is often added to livestock feed to prevent bloating. In Britain, common bird's-foot trefoil is often referred to as "butter and eggs" due to its flowering appearance and golden color. It attracts bumblebees and is considered an invasive species in North America and Australia.

Pomegranate (Punica granatum) is a deciduous shrub or small tree, native to western and southern parts of Asia. It has a long history of cultivation and rich symbolism in polytheistic religions. Fruits of pomegranate play an important role in many West Asian cuisines. Aside from culinary uses, this fruit-bearing shrub is also cultivated for ornamental purposes.

Salvia officinalis, colloquially known as common sage, is an evergreen woody shrub that grows in dry and stony places. It has a long history of cultivation for culinary purposes as well as for its distinctive scent, which is now incorporated into candles, potpourri, and beauty products, often combined with lemon. Common sage's lovely purple flowers adorn many gardens and flower beds all over the world.

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.

Common hawthorn (Crataegus monogyna) is a flowering tree that is actually part of the rose family. It is not unusual in garden settings and arranged as hedges. Examples of famous common hawthorn trees include the apocryphal oldest tree in France, and a well-known hawthorn in England that stood out for flowering three times a year.

In Roman mythology, the goddess Minerva chastised the young Campion by turning him into the bladder campion plant as punishment for falling asleep instead of capturing flies for her owls. Native to Eurasia, this plant was introduced as a horticultural plant because of its lovely flowers. The leaves are eaten as vegetables in many nations.

The common daisy produces iconic flowers that are seen in European and American folklore dating back centuries. It is often a representation of childlike innocence. The plant is edible and can be used in small quantities in salads, sandwiches, soups, or tea. However, it can also become toxic and cause digestive problems if eaten in quantity.

The blue passionflower is known for its distinctive bright blue petals with striped patterns. Originally native to South America, it grows as a vine with a long, meandering reach. It produces orange fruits with red pulp. The word "passion" is incorporated in both the common and scientific names because of the flower's cultural association with the Christian "Passion of Jesus" story.

Cherry plum (Prunus cerasifera) is a deciduous small tree or shrub native to Southern Europe and Western Asia. It is one of the most common wild fruits of its native region, producing numerous rounded, yellow, red, or burgundy-colored sweet juicy fruit in summer and autumn. Cherry plum is also used as an ornamental tree and as rootstock for other Prunus species.

The common dogwood tree contains some of the toughest wood of any tree. As a result, it is said that the cross used to crucify Jesus Christ was built from this. The pollen in the blossoms of this plant attracts butterflies, and the berries attract birds. It is typically planted as an aesthetic plant and is utilized for borders, hedges, or screens.

Hibiscus syriacus is a deciduous shrub with trumpet-shaped pink, lavender, or white flowers. Although it was first collected by Western botanists from Syrian gardens, “rose of sharon” is native to south-central and southeastern China. Because of its hardiness and prolific blooming, it is cultivated all around the world. It is the national flower of South Korea, mentioned in its national anthem.

Greater celandine (Chelidonium majus) is a plant species with distinctive golden-yellow flowers. It has been cultivated since the era of Pliny the Elder, in the first century. The greater celandine is actually a part of the poppy family, and like other species in that genetic family, it is well known for its recognizable, bright blooms. The yellow latex inside is equally recognizable, but is highly toxic if consumed.