Calibrachoa are spectacular little plants whose flowers resemble tiny petunias.The plants can survive year round in USDA plant zones 9 to 11, but in other regions they are treated as annuals. It’s simple to buy a couple of petunia seedlings to fill one planter, but for mass plantings and garden edging, growing petunias from seed is the way to go. Surfinia Bouquets now span five colors, including the new Denim. Petunias, though, are actually perennials. Learn how to start petunias from cuttings with information found in this article. ... Also remove any flowers since you want the cuttings to focus their energy on growing roots first. Gardeners who are in love with these trailing plants might wonder how to root Calibrachoa cuttings or what other methods of propagation are useful. Petunias are often a gardener's staple. tip cuttings in the morning and insert the cut end into a good soilless potting medium that drains well. However, since petunias are annuals, this will need to be done each year, which can add up financially over the years. The cuttings will require high light in full … The trailing varieties, such as Surfinias, are perennial and are grown from cuttings or new plants. If you want your petunias to grow back in the spring, store them indoors during the winter. Growing petunias from cuttings is somewhat challenging since the newly rooted cuttings are extremely sensitive to excess humidity and poor growing medium. Growing petunias from seeds is often difficult because of the small seed size and light requirements. Learn how to start petunias from cuttings with information found in this article. Take cuttings from existing petunia plants and encourage them to grow … Petunias are one of the most popular plants to grow for people everywhere, and for good reason. But what about taking petunia cuttings? Make the cut at a 30° angle to the plant. But the most exciting introduction for 2013 is the new Surfinia Summer Double petunias in Rose, Pink and White. How to Cut Back Petunias. Petunias are so reliable and have such a wide variety of uses that it’s no wonder it’s one of the most popular garden flowers today. How to grow petunias Cultivation. When potting, use a free-draining soilless potting mix fortified with a … They come in a myriad of colors and availability. The Summer Doubles reinvent double petunias … It’s fine to store the plant over winter or harvest and grow seeds; however, the seeds from fancy petunias don’t resemble the parent plants. There is no need to fork out money for seeds to propagate petunias. However, according to the Pacific Northwest Extension Publication, it's possible to propagate petunias … It has a more limited color range than petunias, finer foliage, a trailing habit and numerous tiny flowers when in bloom.