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Canna: greening the City

Banana family, Banana genus, perennial herbaceous flowers Canna with luxuriant branches and leaves, large and colorful flowers, long flowering period, so it is widely used in gardens. Its flowering period is from June to October, when there is a hot season with few flowers. Canna enriches the color and seasonal changes in landscaping, making the landscape outline clear, beautiful and natural.

Therefore, canna has the function of purifying the air and protecting the environment, and is the best choice for greening the city, beautifying the environment and purifying the air. The stem and leaf fibers of canna can be used as raw materials for making rayon, sacks and ropes, and can be used to weave sacks and twist ropes.

Application of canna: aquatic canna is an excellent plant for greening the city, beautifying the environment and purifying the air. it can be used for greening, landscape and flower border construction. it is also often used in urban wetland waterscape, constructed wetland ecological engineering restoration, river water restoration.

First of all, it is applied to the road divider. Plant canna in the center of the car belt, with bright flowers and thick green leaves. It can make the street landscape appear full of vitality and enrich the vertical phase change. Secondly, it is applied to public green space. Planting canna in a large area of public green space can show its group beauty.

Matters needing attention in planting Canna

1. The planting time, soil preparation, seed treatment and tuber planting of canna should be paid attention to. Planting time. It is best to choose 24 months of the season or August and September of autumn to plant, as far as possible to avoid summer and winter, otherwise the temperature is uncomfortable, it is difficult to germinate seedlings. Soil preparation.

2. Soaking seeds to promote germination: when planting canna, the seeds need to be soaked in warm water for 24 hours. Choose soil: select sandy loam with good drainage and fertile soil. Planting method: plant canna seeds on the soil and cover with plastic film.

3. Canna is a tropical plant with poor cold tolerance. The lowest temperature of overwintering can not be lower than 5 ℃. If the southern winter is not less than 5 ℃, it can be raised outdoors in winter.

4. Canna requires sufficient light during the growing period to ensure that it receives at least 5 hours of direct sunlight every day. If the environment is too dark and there is not enough light, the flowering of canna will be delayed. The temperature of canna likes to be warm and avoid severe cold. The suitable temperature is 16 ℃ 30 ℃, 5 ℃ 10 ℃ will stop growing, and freezing injury will occur when it is lower than 0 mol.

What kind of plant is canna?

1. Aliases: (flowers and plants) Red Canna, floret Canna, Little Canna Latin name: Canna indica L. Plant families and genera: Canna family, Canna genus morphological characteristics: Canna plants are all green, up to 5 meters high. Leaf blade ovate-oblong, 10-30 cm long and 10 cm wide.

2. Canna is a flower. Canna is a plant of the genus Canna of the Canna family. Canna plants are all green, up to 5 meters high. Leaf blade ovate-oblong, 10 to 30 cm long and 10 cm wide.

3. Canna blossoms. Perennial herbs. The plant height can reach 100 cm ~ 150 cm, the rhizome is hypertrophy, the stem and leaf is powdery, the leaf blade is broad and oval. Raceme terminal, flower diameter up to 20 cm, petals extended, with 4 petalized stamens, flower colors are milky white, yellow, orange, pink, bright red to purple.

4. Canna plants Canna is a perennial herb of the Canna family, also known as Red Canna, Little Canna, Little Canna. Perennial root plant, native to tropical America, India, Malay Peninsula and other tropical areas, is a common flower ornamental plant. The most important function of canna is decorative embellishment.

5. Canna, also known as red canna, small flower canna, etc., belongs to perennial herbs, the height can reach about 5 meters, the whole plant is green, the leaves are oval, the flowers are bright red, the fruit is green and long oval, and the flowering and fruiting period is generally from March to December.