Breeding Petunia to choose loose and drainage good sandy loam, because it is more afraid of water, so drainage must be better, in order to avoid the phenomenon of rotten roots.
At ordinary times, water should be appropriate, not too much or too little. Generally, when the temperature is high in summer, the water should be kept sufficient and watered in time, but the basin soil should be kept free of ponding. When there is much rain, drainage measures should be taken to prevent the roots from rotting due to water accumulation. If there is too much rain during flowering, the colors will become dim
It is suitable for Petunia to grow at 13-18 ℃ and 4-10 ℃ in winter. If the temperature is too low, it will stop growing. No matter it is ground plant or potted plant, we should keep enough sunshine. If the sunshine is not enough, flowering will be less, and the quality of flowers will be very poor. It's better to give it 12 hours of light every day.
It's a kind of vine, so it's best to get ready for the support. You can put a pole in the flowerpot so that it can grow around. Also appropriate pruning, when the length of about 7 leaves, to pinch off the top, can let the flowers open more, bigger
Petunia is very easy to appear aphid, do not use pyrethroid spray after discovery, lest appear harm to hinder its normal growth.
