Cultivation Techniques of Canna indica

Light

All-day sunshine. Canna requires plenty of light during its growing period and is guaranteed to receive at least five hours of direct sunlight every day. The environment is too dark and lack of light, which will delay the flowering period. If you put it in a cool place during flowering, you can prolong the flowering period.

Temperature

The suitable growth temperature of canna is 15-30 degrees Celsius. When it blossoms. In order to prolong the flowering period, it can be placed in a place with low temperature and no sunlight, and the ambient temperature should not be lower than 10 degrees Celsius. When the temperature is above 40 degrees Celsius, the canna can be moved to a cool and ventilated place. Before and after Frosts Descent, the potted canna can be moved to a temperature of 5-10 degrees Celsius to survive the winter safely.

Humidity

During the growing period of canna, water should be sprayed on the leaves 1-2 times a day to maintain humidity. Because the canna is very fond of fertilizer and moisture resistance, so the basin should be watered thoroughly.

Fertilizer application

In addition to applying sufficient basal fertilizer before planting, topdressing should be applied 3-4 times a month in the peak growing season. If the buds are not produced 20-30 days before the scheduled flowering date, 0.2% potassium hydrogen phosphate can be sprayed on the leaves to promote flowering.

Potted canna sometimes has scorched and yellowed leaves, mainly due to excessive application of ferrous sulfate or drought and hot sun exposure. In the hot summer, if the water temperature is too cold, it will also cause scorch on the edge of the leaves. If the fertilizer is too thick in the heat of summer, it will burn the roots and make them "burn to death".

Soil

It is not strict with the soil, and it grows best in the loose and fertile sandy soil with good drainage, and it is also suitable for the growth of fertile clayey soil. The basin soil should be mixed with rotten leaf soil, garden soil, peat soil, mountain mud and other soil rich in organic matter. It is better to choose dwarf varieties for potted canna, using rotten leaf soil, vegetable garden soil and rice chaff ash as raw materials, according to the ratio of 1.5 to 0.5, and adding a small amount of bean cake, bone meal and other fertilizers. From March to April in spring, take out the tuber, remove the rotten part, select the stem with 2-3 strong buds and bury it in the basin soil, preferably the bud tip exposed the basin soil.

As the canna is very fond of fertilizer and moisture resistance, so the basin should be watered thoroughly. When the fifth leaf is grown, topdressing is applied every 7-10 days, and water is applied after fertilization. Apply 1% ferrous sulfate fertilizer and water every month, or add a small amount of grass ash to make the stem straight and strong, the leaves green and thick, and the flowers bright. Stop fertilizing at the flowering stage. Stop fertilizing during the overwintering period.

Pruning

When the flower at the end of the stem lags behind, the stem branch should be cut off from the base at any time in order to sprout new buds and grow flower branches to blossom one after another.

The planting method of canna teaches you the correct steps of cultivation.

Canna, also known as "red banana", "Tanhua" and so on, is a large flower. It is native to tropical America and Africa. Banana is a perennial bulbous rhizome herb with stout, fleshy rhizomes lying in the ground. There is no dormant period in the warm area, it can grow year after year, and the flowering period blooms from early summer to the end of autumn. So, do you know how to grow canna? Next, let's go and have a look with wed114 editor.

The culture method of canna:

Cultivation origin: canna is native to America, India, Malay Peninsula and other tropical regions, like warm, moist and sunny, not cold-resistant, afraid of strong winds and frosts. It is not strict with the soil, can withstand barren, and grows well in fertile, moist and well-drained soil. After the plant withered in late autumn, cut off the aboveground part, dig out the rhizome, air for 2-3 days, and bury it in the well-ventilated sand in the greenhouse. Do not water it and keep it above 5 degrees to survive the winter safely. In the south of the Yangtze River, the roots can not be dug out in winter, as long as they are sealed with soil, they can still sprout in the next spring.

How to grow canna:

1. Sow and reproduce, cut the hard seed coat with a sharp tool from April to May, soak the seed in warm water for one day and night, sprout 2-3 weeks after sowing, transplant once when 2-3 leaves grow, and blossom in the same year or the next year. It is a common material for shrub edge, flower diameter and flower mirror in gardens.

It is suitable to choose dwarf varieties in potted plants. The basin soil is mixed with loam rich in organic matter and a small amount of river sand. Planting after late frost in spring, 1-2 plants per pot, watering enough water after planting, and keeping the pot soil moist, otherwise it will lead to scorched leaf edges and even sparse flowering. After the plant grows to 3-4 leaves, liquid fertilizer is applied every 10 days. Until it blossoms. Cut off the residual flowers in time after flowering to promote them to sprout new branches. Move to indoor maintenance to survive the winter before autumn frost.

Canna likes hot and hot, so there is plenty of sunshine. Grow healthily in a deep, fertile soil rich in organic matter. Afraid of strong wind, not cold-resistant, once the frost, the aboveground stems and leaves are withered, leaving underground stems.

You can spend the winter in the open field to the south of the Yangtze River. To the north of the Yangtze River, the underground stem should be dug up, overwintered in the cellar, and replanted the following year, avoiding waterlogging and dampness during storage, and preventing tuber from rotting.

2. Propagate with tubers.

Tuber propagation takes place from March to April. The old rhizome was dug out and divided into blocks. 2-3 buds were retained on each rhizome with roots, which were planted in soil with about 10cm depth, plant spacing was kept 40~50cm, and enough water was poured. When a new bud grows to 5 or 6 leaves, a rotten fertilizer should be applied so that it can blossom in the same year.

Planting: in the early and middle of April (Zhengzhou area). The root stem of each hole was planted with 2-3 buds, the distance from the hole to 80cm, the depth of the hole was about 20cm, and the soil thickness was about 10cm after planting.

When potted, choose low varieties and leave 3 buds in each pot. After planting, the soil covered with 8~10cm is thick.

Light and temperature: sufficient light is required during the growing period, and be sure to receive at least 5 hours of direct sunlight every day. The environment is too dark, lack of light, will delay the flowering period, like warmth, avoid severe cold, suitable for a long temperature of 16-30 ℃. When flowering, in order to prolong the flowering period, it can be placed in a place with low temperature and no sunlight, and the ambient temperature should not be lower than 10 ℃.

Watering and fertilization: after planting, the rhizome should be watered less before it grows new roots. The basin soil should be moist. The soil is too wet and rots easily. After the scape grows, it should be often watered to keep the basin soil moist. If there is a lack of water, it is easy to appear the phenomenon of "flowers in the leaves" after flowering. Watering should be reduced in winter, based on the principle of "dry and wet". In addition to applying sufficient base fertilizer before planting, thin cake liquid fertilizer should be applied 3 or 4 times a month in the peak growing season. If the scape is not produced 20-30 days before the scheduled flowering period, 0.2% potassium dihydrogen phosphate aqueous solution can be sprayed once to promote the flowering.

Florescence control: if you want to blossom on May Day, cover the stored rhizome with soil mixed with a small amount of fertilizer in January and require the ambient temperature to be 30 ℃ during the day and 15 ℃ at night. After 10 days, it can sprout. After sprouting, plant the rhizome with 2 or 3 buds into the basin to keep the basin soil moist and fertilize appropriately. There are buds in early April, pay attention to ventilation, "May Day" can blossom. Rhizome excavation: in the cold area, after frosting twice and most of the stems and leaves are withered and yellow in autumn, cut off the aboveground part, dig out the rhizome, properly dry and pile it indoors, which can safely survive the winter under the temperature of 5: 7 ℃. The warm land can live in the open field in winter without harvest, but it must be dug up and replanted after 2-3 years, and the planting scale can be expanded at the same time.

Key points of banana pot cultivation:

Pot canna, first of all to choose a suitable variety, dwarf varieties are the most suitable for potted plants. Pot maintenance should start from the selection of roots and stems, and pay more attention to master the cultivation techniques of each growth link. The rhizome was dug from March to April in spring, and the rotten part was trimmed and cut into several pieces according to the size of the rhizome and the number of stem buds. The incision should be smooth, and after cutting, it should be coated with plant ash or charcoal powder, and then planted separately. When planting, the rhizome with 2 or 3 stem buds was cut quickly and buried in the basin, and the depth of the bud tip was exposed to the pot soil. Canna likes fertilizer and resistance to moisture. The basin soil should be mixed with rotten leaf soil, garden soil, peat soil, mountain mud and other soil rich in organic matter, and applied bean cake, bone meal and other organic fertilizer as base fertilizer. Watering thoroughly for the first time after separate planting, and always keep the basin soil moist. When it grows to 5-6 leaves, liquid fertilizer should be applied every 10-15 days. Liquid fertilizer can be used with mature thin bean cake water and add appropriate amount of ferrous sulfate. Compound fertilizer solution can also be used, the concentration should be light, generally 0.3% is appropriate, and fertilization should be stopped when flowering. During flowering, the flowerpot should be moved to a shady place to prolong the flowering period. After the flower fades, the flower stem should be cut off in time to promote its germination of new buds, flower branches, and continue to blossom. The basin soil should always be kept moist, such as the basin soil is too dry, there will be leaf edge, leaf tip dry, leaf yellowing and other symptoms. In the hot summer, if the watering is too cool, it will also cause the leaf edge to scorch. When the temperature exceeds 40 ℃, it should be moved to a cool and ventilated place, otherwise, it will also cause symptoms such as scorched leaf margin and yellowing leaves due to muggy heat.

Growth habits and cultivation techniques of large-flowered canna

Large-flowered canna is a perennial herbaceous plant, in fact, many plants have their own advantages, and big-flowered canna also has its own characteristics and advantages. Large-flowered canna is native to the tropical regions of America. from this, we can see that it likes the hot and hot environment, and it also likes to grow on sunny and fertile soil. So what are the growth habits and cultivation techniques of large-flowered canna?

Growth habits of canna plantain:

The big canna likes a warm and humid climate, but it is not resistant to frost, the best growth temperature is between 25 and 30 degrees, and it likes sunny and fertile land, while it has no dormancy in its origin and belongs to annual growth and flowering. It is sexually strong, and its adaptability is very strong, almost no choice of soil, but it is better to moist and fertile loose sandy loam soil, can be slightly resistant to water and moisture. Afraid of the strong wind. Begin to plant after the frost in April-May in spring, when it germinates, the top of the stem will form a flower bud, and it is a floret that blossoms from the bottom up. In its growing season, the pressure of the Reagan stem will sprout one after another to form a new stem and blossom. It will bloom continuously from June to Frosts Descent, and its total florescence is long. Its rhizome can survive the winter in the open field in the south of the Yangtze River, while it must be artificially protected in the north of the Yangtze River.

It is not hardy and is afraid of strong winds and frosts. But the requirements for the soil are not strict, can be well resistant to barren, and it is best to grow in fertile, moist, and well-drained soil. After its plant withered in late autumn, we have to cut off the ground for it, dig out its rhizome, dry it for 2-3 days, and then bury it in the well-ventilated sand in the greenhouse. Remember not to water it. You only need to keep the temperature above 5 degrees to survive the winter.

Cultivation techniques of large-flowered canna:

Light: big flower canna it belongs to the all-day plant. It needs plenty of light when it is growing, and to ensure that it receives at least 5 hours of direct sunlight every day. If the surrounding environment is too dark and lack of light, it will delay its flowering. If we put it in a cool place when it blossoms, we can prolong its flowering period.

Temperature: know that the most suitable temperature for its growth is between 15 and 30 degrees. When it blossoms. In order to prolong its flowering period, we can also put it in a place where the temperature is low and there is no sunlight, of course, the ambient temperature should not be lower than 10 degrees. When the surrounding temperature is above 40 degrees, we can move the canna to a cool and ventilated place. Wait until before and after Frosts Descent, then move the potted canna to a temperature of 5-10 degrees, so that you can survive the winter safely.

Humidity: usually when it is growing, we have to spray water on the leaves 1-2 times a day to maintain its humidity. This is because the canna likes fertilizer very much and is moisture-resistant, so the basin should be watered thoroughly.

I would like to share with you the growth habits and cultivation techniques of large-flowered canna. I hope this article will be helpful to you and wish you good luck.

Extended reading:

Fertilization techniques, flower language, cultivation techniques, disease and pest control of canna