What is the difference between annual flowers and biennial flowers

Briefly describe the concepts of annual flowers, biennial flowers, perennial flowers and bulb flowers, and illustrate with examples (at least 2

Annual flower: a flower that completes its entire life cycle in one growing season. From sowing to flowering, death takes place within a year, generally sowing in spring, flowering in summer and autumn, and death when winter comes. Such as hundred-day grass, impatiens.

Biennial flowers: flowers that complete their life cycle in two growing seasons. There are two thoughts from sowing to flowering and death. Only vegetative growth is carried out in the first year, and flowering and fruiting only in the second year after a low temperature in winter. Such as: bract carnation, Digitalis.

Perennial flowers: perennial flowers with normal underground roots, individual life span of more than two years, can blossom and bear fruit many times, there are flowering species from early spring to late autumn. Such as: Paeonia lactiflora, Sugen Fulu, purse peony

Bulb flowers: a class of perennial flowers with abnormal hypertrophy of underground organs. If an individual lives more than two years, he can blossom and bear fruit many times. Such as: tulips, daffodils, lilies.

Which herbaceous flowers are annual?

Annual herbs semi-branch lotus, a bunch of red, cockscomb, Persian chrysanthemum, marigold, sunflower, ancient rare, rhombus, foxglove biennial herbaceous flowers; anemone, cornflower, daisy, carnation, Zhuge vegetable, violet, Yu Mei, pansy, petunia, hair.

What are the common annual flowers?

Zinnia is an annual flower, side branches are cymbals, blossoms in summer and autumn, flower heads are solitary branches, flower diameter is about 10 cm, petals are colorful, dry flowers, long flowering period, beautiful plant type, can be used in flower beds, flower borders and flower belts according to height and height. It is also used in potted plants, the national flower of the United Arab Emirates.

Marigold belongs to the genus marigold of Compositae. It is an annual flower native to Mexico. It is cultivated for ornamental use in all parts of China. It can grow in areas ranging from 1150 meters to 1480 meters above sea level and often grow in roadside meadows. Marigold is often sown in spring. Because of its large flowers and long florescence, marigold is often used in flower bed settings. Flowers also have the effect of clearing heat and detoxification, resolving phlegm and relieving cough.

Sunflower is an annual flower of the sunflower family, native to South America. Domesticated species were brought to Europe from North America by the Spaniards in 1510, initially for ornamental use, and then introduced back to North America from Russia at the end of the 19th century. It is cultivated in China. Sunflower seeds called sunflower seeds, often fried as a snack to eat, delicious, can also extract sunflower seed oil for consumption, oil dregs can be used as feed.

An annual flower or perennial herb native to Chile. This plant can grow up to three feet tall. Their leaves are dark green and covered with short, sticky hairs. Large funnel-shaped flowers are purple, blue, red, yellow or white with golden veins.

Cuiju is a plant of Compositae, also known as annual flowers, Compositae herbaceous plants, many cultivated varieties have been garden ornamental flowers for a long time, Cui Chrysanthemum has bright colors, various flower patterns, abundant flowering and long flowering period, so it is an ornamental plant attached great importance to by horticultural circles at home and abroad. Internationally, dwarf species are used for potted plants and flower beds, while tall species are used for cut flowers. Cuiju is mainly used for potted plants and gardens in China, and has become one of the most important potted flowers.

Morning glory is an annual trailing herbaceous flower of the genus Petunia. The trailing stem is slender, about 3 to 4 meters, and the whole plant is densely bristled. Leaves alternate, entire or lobed. It is a common vine grass flower in summer and autumn. it can be used as shade in front of small courtyard and bedroom window, small scaffolding and fence, and can also be planted on the ground.

Impatiens is an annual flower of the genus Impatiens, such as Crane Ding, like colorful Phoenix, graceful and charming. Both the fragrant red impatiens and the delicate blue impatiens bloom in the morning, which is the best time to enjoy the impatiens. Impatiens is a common material for beautifying flower beds and flower borders because of its rich colors and varieties. It can be planted in clusters, planted in groups and potted, and can also be raised in water for cut flowers.

The use of flowers in our life can be seen everywhere, whether in the layout of flower beds or in the form of potted plants to decorate indoor and garden potted flowers, while annual flowers are used more in flower bed layout. That's all for the editor's introduction to annual flowers today. Thank you for your appreciation.

Annual flowers: complete the life cycle of growth, development, flowering, fruiting and death within one year. That is, sowing in spring, blooming in summer and autumn, fruiting, and then dying. Therefore, it is also called spring sowing flowers. Such as cockscomb, Persian chrysanthemum, sulfur chrysanthemum, emerald chrysanthemum, zinnia, marigold, peacock grass, pineapple, thousand-day red, wheat stem chrysanthemum, a string of red, half lotus, five-colored grass okra, Huoxiang thistle, impatiens and so on. 2. Biennial flowers: complete the life cycle of growth, development, flowering, fruiting and death within two years. That is, autumn sowing, seedlings overwintering, the following spring and summer flowering, fruiting, and then withered, so it is also called autumn sowing flowers. Such as goldfish grass, pansy, osmanthus bamboo incense, kale, calendula, daisy, bluebell, bract carnation, short snow wheel, cornflower and so on.

Annual flowers, so much for introduction! Thank you for your reading! I hope it can be helpful to all of you.