Read on for more information about how to cut back petunias. Doing so may harm the plant’s root-base, and inhibit the ability to take in water and nutrition. I need a little help with plants 101. Removing deadheads prevents the plants from going to seed, which would prevent them from blooming. You will have a full, compact blooming petunia plant in a couple of weeks. Petunias are a favorite among many gardeners for their ease to grow and abundant blooms throughout the season. Stagger-prune the petunias so that you still have plenty of petunias blooming in the flower bed. But, as is the case in so many relationships, your admiration for your petunias may fade as the first flush of blossoms die and the plant begins to appear leggy and straggly. Checking your petunias more than once a week is okay, but not necessary. If you find any damaged stems, cut these to about 2 inches from their base. Use sharp, sterile hand clippers. They are not related to petunias at all. Do not apply too much fertilizer, as it can be harmful to your plants in large doses. Should Petunias Be Pinched Back While Growing?. For more tips from our Gardening co-author, including how often to fertilize and water your petunias, read on! Let’s grow petunias from cuttings! Lauren Kurtz is a Naturalist and Horticultural Specialist. You should allow petunias to grow until they are finished producing. Want to know how to grow petunias from cuttings? As long as you follow a basic desert garden to-do list and keep to a conventional summer watering schedule, you should have no problem raising bushels of … If the plant is already leggy, you can cut it back to about half it’s size. After the … Pruning petunias regularly from the time you buy them will keep your plants gorgeous and healthy. They absolutely do, and the difference between gorgeous hanging baskets and stringy-looking ones involves appropriate trimming of these plants. But cutting back petunia plants is essential to keeping them looking their best during their short stay in your garden. Include your email address to get a message when this question is answered. Common Name. Water the plants thoroughly and place them in a cool but above freezing location. My petunias in my window boxes look dreadful at this time of the year. Garden petunias like a balanced fertilizer such as 8-8-8, 10-10-10, or 12-12-12. Petunias are low maintenance, and most new varieties don't require deadheading; if they get leggy in mid-summer, cut them by one third and they'll perform beautifully well into fall. Petunias make beautiful edging plants and also can be combined with other summer-blooming annuals in mixed plantings. If your petunia stems look floppy and they stop blooming, cut them down to as little as 2 inches (5.1 cm) from the soil to let them grow back stronger. Where to plant: Grow by themselves or in combination with other plants in containers or hanging baskets with well-draining soil. How to Grow Mexican Petunias . They are prolific bloomers, although some forms require deadheading to keep them going. Common Name. PLANTING INSTRUCTIONS. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Botanical Name. Most flower gardeners are familiar with growing petunias from seed. Learn how to start petunias from cuttings with information found in this article. Prune every third petunia plant, leaving the remaining 2/3 of the petunia plants unpruned. Tuesday 18th of July 2017. Flower Family. Others call them mini-petunias or trailing petunias because they look like small petunias. I cut back my petunias too. Keep your petunia plants beautiful by removing wilting or dying blooms. Petunias can also get straggly-looking by midsummer. Even if you deadhead furiously, clipping off all those faded blossoms, the stems just keep growing longer. If you are like me and garden on a budget buying annuals every year can seem counter intuitive. http://extension.illinois.edu/annuals/care.cfm, https://www.youtube.com/watch?v=PGi-JbtvHik, https://www.clemson.edu/extension/hgic/plants/pdf/hgic1171.pdf, https://www.youtube.com/watch?v=_1bX6W4bI8w&feature=youtu.be&t=208, https://home.howstuffworks.com/how-to-care-for-house-plants5.htm, https://www.gardendesign.com/annuals/petunias.html, http://balconygardenweb.com/growing-petunias-in-containers-petunia-care-tips/, https://extension.psu.edu/petunia-diseases, consider supporting our work with a contribution to wikiHow. They're usually grown as annuals in all of the U.S. Department of Agriculture zones. Wave petunias grow only 6 inches tall but can spread to 4 feet.Supertunia Petunias. Growing Petunias . Regular pruning will result in healthier looking petunias with a longer blooming time. View Quick Facts Chart Extensive selection of petunia seed varieties including both spreading petunias and upright petunias. Start deadheading petunias when the first blooms show signs of dying. Deadheading a petunia extends the time that the flowers will grow blooms. If too many seed heads developed, the plants might think the growing season is over and not recover. The petunia plant will then produce two new growing tips just below each cut, and those tips will begin flowering soon. Remove any blossoms or flower buds from the stems. Remove any leaves within 5 cm (2 inches) of the cut end of the cutting. Overgrown wave petunias have long, thin stems with smaller and fewer blossoms. Pruning your petunias helps their flowers stay healthy and bloom for longer. Do petunias need pruning? Petunias grow in flowerbeds and pots and range in a wide variety of colors. You can cut Ruella smack dab to the ground without a stem showing … Cut back leggy plant stems back to 3- to 4-inch stubs with some foliage. Often, Wave petunias grow all season without the need for pruning. The goal while removing dead petunia flowers is to also remove seeds that develop below the flower. Trim every third trailing stem by one-third to one-half of its length to create bushier growth. They aren’t the type of plant you would cut for indoor flower arrangements. Wave petunias will need pruning at some point throughout the season because it will look leggy around midsummer. I hope it will continue to flower. They always come back beautifully! If you want to encourage more flowers to appear, cut back the stems in early spring. One of the key components of successfully growing petunias in hanging baskets is maintaining the plants hydration. Monitor the growth of the wave petunias so you can cut them back when they become overgrown or when the blooms begin to decrease. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. You can cut back all the branches at once. Petunia is easy to grow where you get sunlight. Remove any blossoms or flower buds from the stems. How to Deadhead Petunias: 13 Steps (with Pictures) - wikiHow See our Wave Petunias page for the outstanding and popular Wave, Easy Wave, Tidal Wave and Shock Wave varieties. The wild, invasive form of this plant is so aggressive, it’s banned in some states, and it’s on a watch list of invasive plants in others. If you are just doing a refurbishing prune up (many annual potted plants may need about mid-summer) and they don’t look as sorry as these specimens, you can cut back to about the bottom of the pot and it is enough. showed me how, and I will now look forward to more full plants rather than long trailing ones. I have been given a beautiful hanging pot of petunias for Mother's Day! 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