Not all types of petunias need to be deadheaded. Try to do it once or twice a week , especially during peak blooming, to keep the plant looking good and producing more flowers, says judd. But you’ll have to be okay with an increasing number of wilting blooms and empty stems in the middle of your flower bed. You won’t violate any laws by allowing the flowers to go to seed. · how often should you deadhead petunias you should deadhead petunias every time you notice a flower has died off; There are new hybrids these days that are self-cleaning and don’t need any (or at least not as much) maintenance. If this is you , then here are the steps for how to deadhead petunias using a sharp pair of pruners. · otherwise, most gardening experts recommend that you deadhead your petunias a few times a week (or at least weekly) to help prevent your plant from becoming too leggy and ensure that your petunia plant puts all of its energy toward producing even more flowers for you. · “deadheading,” or pruning, flowers interrupts the seed production and encourages more flowers to bloom. Deadheading petunias is a fantastic way to keep them blooming and. Either by removing the spent flowers, or by pinching off the leggy growth. It’s nice because you don’t need any tools, all you need are your hands. You will know when to deadhead petunias once you see the blooms wilting and turning brown. But since they are very sticky, many gardeners prefer to use a tool instead of their fingers. There are several ways to deadhead petunias, including hand pinching and shearing. You ’ll likely find that you ’ll need to use a combination of bot. There are two different ways to do it: Pinching is very quick and easy. · you don’t “need” to deadhead petunias. Ask your local garden center if they carry any self-cleaning petunia varieties, or look at the details on the plant tag. See full list on getbusygardening. com Choose the right tool – since petunia stems are small and delicate, i recommend using either precision pruners, a p. · the easiest way to keep up is to check your plants every few days until you get a good feel for how often you need to deadhead. Regular pinching and pruning also prevents them from bec. Pruning them every few weeks , or at mid-summer, will help them to fill out and bloom longer. You should deadhead petunias because it encourages them to bloom more vigorously. When you remove the dead blooms and seed pods, the plant will be able to use that energy to produce more flowers instead. Check on them regularly, and remove the spent flowers as they die back. After the blossoms become brown and dried up, the plant uses its energy to produce seeds. But you can do it as often as you need to in order to keep your plant l. When the first flowers start to wilt, it is time to begin the process. During flowering season, this might be every day. · how often you deadhead petunias will depend somewhat on the variety youre growing and your climate, but plan on deadheading regularly. But there are advantages to deadheading petunias. Deadheading petunias by pinching them simply means to use your fingers to remove parts of the stem. Large, bushy plants may require a daily inspection but smaller plants may need attention just two or three times a week. I like to do this about once per week or so.