Collect stem cuttings from petunias in the spring when the plant's growth is highest, or any time the petunia is actively growing. Although most commonly grown from seeds, trailing and other cultivars of petunias also grow from cuttings. They bloom in the spring, usually without fail, and can survive and thrive with little care. However, if you prefer to start petunias from seed and grow them yourself be advised they can be tricky. With their trumpet-shaped flowers and petite stature, petunias (Petunia x hybrida) add a bright pop of color to garden beds and window boxes. Requiring little more than occasional watering, petunias are prolific, flowering throughout the spring and summer. Their bright colours and ease-of-care also make them great for any gardener to brigh... Jun 30, 2012 - Petunias are an essential addition to hanging baskets. He has over 15 years experience writing for several Fortune 500 companies. Snip off the corner of the plastic bag to allow for moisture evaporation. With green vegetation and large, trumpet-like flowers that come in a range of colours, petunias are a popular annual in many gardens. How to grow petunias Cut off 1/2 to 2/3 of the petunias leaves, beginning from the base of the cutting going up. Fill a seed tray with a good potting soil mixture. Ideally, take your cuttings early, at the end of August, as the cuttings won’t root as readily if you take them after nights start becoming cooler. My petunia seedlings failed this year, bummer, but I am going to start more seeds soon. Tree peony roots best from half-ripe cuttings taken in late summer. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Each cutting should be 4-6 inches long, and ideally should have new growth or shoots on it, as these will grow best when transplanted. Cut off a 2-to-6 inch section from a healthy petunia plant for each cutting. Add water only when it feels fairly dry on the surface. However, gardeners with the time and effort to invest in proper care can successfully root cuttings taken in mid-spring from actively growing petunias and produce healthy plants that bloom prolifically all summer. Mexican petunias grow both from seed and those thick, short roots that grow sideways, called rhizomes. Pay special attention to the severed end and the nodes where the leaves were removed. Poke a pencil into the soil in each tray cell to form a hole into which you can place the stem of the cutting. 1. We gardeners learn a lot from each other, and thanks to you I now know how to start petunias from cuttings. Put the bag back in place one to two minutes after misting. Make the cut at a 30° angle to the plant. Some of these types of petunias work best if they are grown in a container, while others are more suitable for the garden. ... How To Propagate Petunias From Cuttings. Fill a 4-inch plastic pot with a mixture of half perlite and half sphagnum moss. Poke several holes in the large plastic bag to allow excess moisture to escape. They can be rooted in loose, well-drained soil, compost and/or coco coir, or you can even root them in water. Check for roots in two to three weeks by very gently tugging on the plant and feeling for resistance. Petunias are easy flowers to grow once they’re transplanted. Sometimes called starflower or Egyptian starcluster, pentas bloom prolifically all season long. Allow the cuttings to remain there for two to four weeks to allow them to root. From now on when I have some cuttings left from pruning, I'll put them in a vase to propagate more petunia plants. My favorite is the purple petunia because they smell so nice! Crop temperatures at this stage should be 55-60˚F. One liner per pot is recommended, using a well-drained peat/perlite mix with a pH between 5.5 and 5.8. The trailing varieties, such as Surfinias, are perennial and are grown from cuttings or new plants. In a half-ripe cutting, the tip is still actively growing but the middle of the stem is beginning to harden. Use a sanitized utility knife or pruning shears to cut the stem. Growing Petunias . Space multiple plants 18 to 36 inches apart, depending on the cultivar. Acclimate the petunia cutting to normal weather conditions before planting. Lightly mist the cutting every other day using an atomizer or spray bottle. Check the moisture level of the perlite and sphagnum mixture daily. Growing Petunias | How to grow and care of Petunia plant, Growing Petunia flower, etc are some such information that you can find abundant petunia flowers in your garden.Petunias approximately 35 species are known, they are native to South America. Growing petunias from cuttings is somewhat challenging since the newly rooted cuttings are extremely sensitive to excess humidity and poor growing medium. Place the cut end of the stems into the rooting compound powder to completely coat the end of each stem. It's much faster and easier to make softwood cuttings from existing pentas from May through July, because they'll readily propagate very quickly for you. Place the seed tray completely in the bag and seal it. Their bright colours and ease-of-care also make them great for any gardener to brighten up their flowerbeds. Growing things from scratch is so rewarding and when it is this easy and budget friendly it is doubly so. Once all the leaves have stems, transplant them into individual small pots. Place the cuttings in a warm, well lit area away from direct sunlight. You can also start petunias from cuttings for an endless supply of fresh plants. Sometimes the faster growing, softer new spring stems also root. Take a 4- to 6-inch long cutting that contains three to four leaves, and pull off the lower leaf or two. Cut the ends of petunia stems 7.5 to 10 cm (3 to 4 inches) long and just below a leaf node from mature stems. How to Grow Wave Petunia from Seed. Rooted cuttings should be potted as soon as possible into 4-inch to 6-inch pots. When you grow petunias from seed, do not transplant them to the outdoors until they have at least three leaves. How to grow petunias. Now consider how to grow and multiply petunia cuttings. Prop up the bag with wooden skewers if it touches the cutting. Place the cuttings in a warm, well lit area away from direct sunlight. How to Take Cuttings. Remove the cuttings that have rooted from the seed tray and transplant them to 10 cm (4 inch) grow-out pots filled with top soil. Check for signs of rot if it has not rooted in four weeks. Petunia is easy to grow where you get sunlight. Transfer the pots to shelves with grow lights and grow them throughout the winter. In this way, mainly terry and ampelous petunias are grown. Plant Mexican petunias in full sun to partial shade in moist soil 1 foot apart when the cuttings begin to produce new growth, in two to six weeks. Place the cut end of the stems into the rooting compound powder to completely coat the end of each stem. Why grow petunias from cuttings. Transplant the petunia into a sunny garden bed, window box or planter in two to three weeks, or once it shows obvious signs of growth. There is no need to fork out money for seeds to propagate petunias. After this time, gently pull on one leaf to see if roots have begun to grow on the stem underground. Drizzle water around the base of the petunia cutting. Sep 11, 2015 - Most flower gardeners are familiar with growing petunias from seed. How to Root Petunias. While growing wave petunia from seed may sound like a lot of work, it’s actually not. Cover the pot with a clear, 2-gallon plastic bag. Create a hole in the perlite mixture that is deep enough to accommodate the defoliated portion of the stem. So to get them under control you’ll need a three-part approach: Pull up as many as you can. Remove any leaves within 5 cm (2 inches) of the cut end of the cutting. Remove the cuttings that have rooted from the seed tray and transplant them to 10 cm (4 inch) grow-out pots filled with top soil. All you need is the seeds themselves, a seeding tray, and a soilless mixture. How to Grow Petunias From Cuttings. Choose the type of petunia. Indoors, grow your petunias in as as much light as possible and pinch occasionally to promote branching. To grow cuttings from established plants, cut healthy, disease-free branches from the top of the plant. Allow the cuttings to remain there for two to four weeks to allow them to root. This should help you find success when growing them. The plants that come from these cuttings will bear exactly the same type of blooms as the parent plant. This is a sign that roots are starting to grow out and the cuttings are starting to be able to take up water from the soil. Petunias are an essential addition to hanging baskets. When it comes to growing wave petunias, you can go about it in either of two ways: grow the spreading petunia from seeds or from cutting. Pull off the lowest sets of leaves so that the bottom one-third of the stem is completely defoliated. In Jacksonville, Fla., Frank Whittemore is a content strategist with over a decade of experience as a hospital corpsman in the U.S. Navy and a licensed paramedic. Take cuttings from existing petunia plants and encourage them to grow … Insert the stem into the hole and press the perlite mixture in against it. Water them in so the soil is moist.