Petunias are members of the Solanaceae family, which also includes other familiar plants such as tomatoes, peppers and Nicotiana. If left to their own devices, they may reseed themselves, but the flowers will be a different color from those of the parent plants.Click to see full answer. Similarly, it is asked, do Petunias come back year after year?Store petunias indoors during the winter to grow them again the next year. Petunias, though, are actually perennials. In year-round warm climates, they survive and sometimes bloom throughout the winter. If you want your petunias to grow back in the spring, store them indoors during the winter.Also Know, do petunias multiply? Groundcover or “spreading” petunias are only about six inches tall, but spread so rapidly that they cover a huge area over one growing season, provided they’re watered and fertilized frequently. “Wave” petunias are a common type of spreading petunia. A Grandiflora petunia flower with white picotee edge. Secondly, can I save my petunias over winter? Care of Petunias During Winter Cut the petunias back to about 2 inches above the soil and plant them in pots before the first fall frost. Water the plants thoroughly and place them in a cool but above freezing location. Look for a spot in your garage or basement where they’ll be out of the way.Why are my petunias going to seed?They get ready to either become dormant, or to produce seeds to ensure survival for the next season. Perhaps constant deadheading is triggering the blooms to go to seed sooner; this is pure speculation. Sometimes, too, Wave petunias may not enjoy the extreme heat.
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