Impatiens is suitable for fertile, moist and loose soil. It's better to prepare some acid soil mixed with sandy soil.
When it is in the growth period, it should be watered in time to ensure that the soil is wet, especially in summer, it should increase the amount of water, but there should be no ponding, if the rainy season is too much, it should reduce the amount of water, and timely drainage.
Every day about to receive 4 hours of astigmatism, summer when the sun is strong to shade it, so as not to burn the leaves.
The most suitable temperature for the growth of Impatiens is 16-26 ℃, and the lowest temperature should not be lower than 10 ℃. In winter, we should take some measures to keep warm, so as to avoid frostbite.
To loosen the soil and weed it in time, so as to prevent weeds from absorbing its water, when it is relatively dry, it should be watered appropriately, and the old leaves can be cut off when the flowers grow about 30 cm.
1. Diseases and insect pests: generally, there are few diseases and insect pests in Impatiens. If the temperature is relatively high, powdery mildew will appear. At this time, spray 50% Thiobacillus fungicide wettable powder 800 times for prevention and control..
2. Flowering control: if you want to postpone the flowering, you can sow in July, or you can use the way of picking the heart, and remove the early blooming flower bud, so that it will continue to expand. We should also pay attention to the prevention of diseases and insect pests.