When is the last time the flowers bloom?

Canna flowers big color Yan, rich in color, plant shape is good, easy to cultivate, ornamental value is very high, can be potted, can also be planted, many people like to keep them in the courtyard inside, with purification of air, environmental protection role, is greening, beautification, purification of the environment ideal flowers, let's take a look at the flowering of Canna when it is!

When does Canna bloom?

Canna is a perennial bulbous herbaceous flower with more than 50 varieties such as milky white, bright yellow, orange yellow, pink, red, purple red and compound color spots. The flowering period in the north is usually from June to October, and the flowering period in the south is throughout the year.

How to prolong flowering of Canna plantain

1, into the room to be timely: Canna is a subtropical flower, like warm climate, plenty of sunshine. When the temperature is 25℃-28℃, flowering is fast, generally about 7 days can be from bud to flower. In the north, cannas must be moved indoors by October 15 if they are to bloom in winter.

2, indoor insulation: indoor temperature is maintained at 15℃-18℃, flowering can be extended to the New Year.

3, sunshine should be sufficient: after entering the room, the daily sunshine time should not be less than 4 hours. If sunlight is insufficient, 60 watt light bulbs or 40 watt fluorescent lamps can be used to supplement the illumination. Sunlight 4-6 hours a day, can ensure that flowers and leaves tender.

4, fertilizer and water should be appropriate: after the canna is moved indoors, the soil moisture content must be maintained at 40%-50%. Half a month to pour a thin liquid fertilizer, add bean cake water, livestock hoof water, or pour 500 times potassium dihydrogen phosphate solution. However, water and fertilizer should not be too large, so as to prevent rotten roots.

Canna breeding method

1, soil: the soil requirements are not strict, in the loose fertile, good drainage sand soil growth best, but also adapted to fertile clay soil growth.

Sunlight: The growth period requires sufficient light to ensure that at least 5 hours of direct sunlight is received every day. Too much darkness and insufficient light will delay flowering.

3, temperature: like warm, avoid cold, suitable long temperature 16-30℃, 5-10℃ will stop growing, below 0℃ will appear freezing damage. When flowering, in order to extend 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℃.

4. Watering: Before the rhizomes grow new roots after planting, water less. The soil in the basin should be moist. Too wet soil tends to rot roots. Scape should be watered regularly after growth, keep the pot soil moist, if water shortage, after flowering easy to appear "leaf clip flower" phenomenon. In winter, watering should be reduced, with the principle of "see dry and see wet".

5. Fertilization: In addition to applying sufficient base fertilizer before planting, thin pancake liquid fertilizer should be applied 3-4 times a month in the peak season. If the flower scape does not sprout 20-30 days before the scheduled flowering stage, the leaves can be sprayed once with 0.2% potassium dihydrogen phosphate aqueous solution to promote flowers.

6, pest: Canna adaptability is very strong, management is more extensive, and not delicate, pests are also very few. May to August every year to pay attention to leaf roll pests, so as not to damage its young leaves and inflorescences. Available 50% dichlorvos 800 times solution or 50% chloramphenicol EC 1000 times solution spraying control.