11/28/2023 0 Comments Planting petunia seeds indoors![]() ![]() Containers used for starting seeds should be clean and have drainage holes in the bottom. Previously used containers should be washed in soapy water and then disinfected with a solution containing one part chlorine bleach and nine parts water.įill the container to within 1 inch of the top and then firm lightly. Next, moisten the medium by partially submerging the container in water. When the surface becomes wet, remove the container, allow it to drain for 15 or 20 minutes, and then sow the seeds. The medium can also be moistened with a fine spray from a sprinkler. Containers and MediaĪ commercially prepared medium, such as Jiffy Mix, is a good germination medium. Sow petunia seeds indoors about 10 weeks before the intended outdoor planting date. (Petunias should be planted outdoors after the danger of frost is past.) Late February or early March is an appropriate sowing date in Iowa. Most gardeners buy petunias at their local garden center or greenhouse in spring. However, petunias can also be started indoors in late winter. So, you have quite a lot of options when it comes to growing these flowers from seeds.Petunias have been one of the most popular flowering annuals for years. Their popularity can be attributed to several desirable traits. Petunias are easy to grow, bloom reliably all summer, and are available in a wide range of colors, flower forms, and growth habits. Passionate breeders all over the world come up with new types of petunias every single year. The insects usually disappear on their own later the same month. Budworm caterpillars - These little green caterpillars come out in July to feast on the flowers.It's that easy! But again, make sure you don't drown the roots. Aphids - Hose your petunias down using a lot of water.Choose varieties that are resistant to rot and mold in the first place to make your job easier. Soft rot or gray mold - There is no way to combat this.Still, here are a few things that can happen to these flowers and what you can do about them. They are pretty resistant to invaders as far as flowers go. The good news for every gardener who is in love with petunias is that they don’t require a lot of attention when it comes to diseases and pests. This is definitely the case for garden petunias that tend to spread and need all the nourishment they can get. In mid summer, you can use liquid fertilizer but no more than once every two weeks. They thrive on balanced fertilizers such as 12-12-12. You can use fertilizer to give your petunias a boost. You have probably already come in contact with them because these are the most common types of petunias available. They are known for producing either single or double flowers that can grow up to 2-3 inches in diameter. Here is the classification along with some examples. It is out of those four subgroups that you can choose the kind you like the most or that will fit your garden best. If you’re new to the world of petunias, the first thing you need to know is that they are divided into four categories. Pale to deep green, with a sticky and hairy texture Single and double blooms that can reach 1 to 3 inches in diameterĪ wide variety of colors including pink, white, purple, and black some are spotted Where do they come from, what types of petunias can you grow in your garden, and what do they symbolize in the language of flowers?įind all you need to know about petunias in this definitive guide. ![]()
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