(1) Cultivation management
The cattail can be planted in the ground in the south of China, choose sandy loam soil is appropriate, and at the same time, a large amount of organic fertilizers, in the spring or the rainy season with the ball of the soil planting. Jiangnan can be planted in the windy and sunny courtyard, with the method of over-wintering bale grass. Northern areas can be planted in pots, to be used as a substrate for the cultivation of rotting soil plus river sand; liquid fertilizer 4 to 5 times a year in summer, and strengthen the watering, to avoid drought; mid-to-late October into the room overwintering, room temperature above 1 ℃ can be, every two years, change the pots.
(2) fertilizer management
Summer should often spray water on the plant to increase air humidity, the summer season, if a day without watering, the leaves will wilt and wither, or even die. Although the cattail has a certain degree of flood tolerance, rainy season should also pay attention to drainage and flood prevention. liquid fertilizer twice a month from early May to mid-September, the growing period of fertilizer should be mainly nitrogen fertilizer.
(3) light management
Pulp koi like sufficient light, but in the northern cultivation, spring and summer, do not put in the sun, not to mention the south side of the building, in order to prevent the wall from reflecting over the radiant heat of the leaves to bake the yellow, it is best to put on the north side of the building or a large tree in the shade at the maintenance of the cultivation. Potted plants should be placed in the summer under the shade, and pay attention to ventilation.
(4) Pest control
The cattail has a strong resistance to pests and diseases, and common diseases include leaf blight, anthracnose, brown spot, leaf spot, and so on. The main pests are green stinging moth and lampblack moth.