Canna is a perennial bulbous herb. Can grow to 100 ~ 150cm, the rhizome is hypertrophy; the stem on the ground is fleshy, not branched. Stems and leaves broad, oblong-lanceolate or broadly elliptic. The raceme is drawn from the top of the stem, the petals are straight, with 4 petals of stamens. More color, there are milky white, bright yellow, orange yellow, orange red, pink and so on.
1. Hydroponic method (1) Method 1 Excavate the soil-cultivated canna seedlings, remove the root rot and the old roots, disinfect in a 0.05%-0.1% potassium permanganate solution for about 10 minutes, and then plant them in a transparent container after washing. Fill the container with clean water to 2/3 of the root system. Change the water once every 2-3 days, it is easy to take root, and the water bacon can grow in about 10 days. As shown in the figure, the water plugs canna.
(2) Method 2: The canna roots are excavated and divided into small pieces, each piece with 2-3 eyes and a small amount of fibrous roots, rinse the root system, and then planted in a hydroponic container, and change the water once every 2-3 days. Water bacon can be grown after 2 weeks.
2. Maintenance Guide (1) Light and Temperature When planting flowers, place the plants in a cool, ventilated place to extend the flowering period. Plants can bloom all year round in an environment where the temperature is above 16 °C throughout the year. When the temperature is below 16 °C, the growth is slow or even dormant. It is safe to winter when the room temperature is not lower than 7 °C in winter. In winter, it should be placed in a well-lit area, and the room temperature should be kept above 7 °C, which can safely overwinter; below 7 °C, it is susceptible to freezing damage.
(2) Fertilization cannaea is easy to produce new roots after root culture, and the lateral roots are also faster. After 2-3 weeks, a strong growth potential begins to appear. At this time, the nutrient solution can be used instead, and the scattered light is sufficient to maintain. Because it is extremely fat and moisture resistant, it should be noted that appropriate nutrient solution should be added every week and replaced once every 3 weeks.
(3) Watering summer season, should avoid the sun exposure, and often spray water to the foliage, otherwise there will be leaf edge dryness and yellowing.
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