![]() ![]() If you live in warmer regions, petunias can handle partial sunlight. They can tolerate some shade but should have at least 6 hours of sunlight per day. Light Petunias prefer full sun but can tolerate partial sun.įor the best results with many blooms, plant in full sun. This will ensure you get the plant deep enough into the ground to cover the roots. If you choose to plant potted petunias, dig a hole that’s the same size as the pot itself. If you grow from seed, plant about an inch into the soil. ![]() If you are unsure how wide your petunias will get, the nursery tag should have that information or ask a worker. ![]() Milliflora varieties are the smallest in flowers and plant size. Of course, this is all dependent on variety and environment. Trailing or spreading petunias tend to be the largest of all petunias and can get upwards of 5 feet wide. Most petunia varieties get to about 12 to 24 inches wide. When planting your petunias, make sure you leave enough space depending on the variety you choose to plant. Some petunias stay compact and others have a tendency to spread. Spacing and depth is going to depend on the variety you choose to plant. Plant Spacing and Depth When planting, make sure that the space and depth is sufficient for adequate growth. Let’s take a look at the most important aspects of their growth, and what you should plan for when adding petunias to your flowerbeds this season. You need to make sure they are spaced properly, have adequate light, water, and are planted in the correct type of soil. When it comes to growing petunias, there are many important aspects to their care. Once your seedlings have 3 to 4 leaves, you can transplant them outdoors. Petunias need to be started indoors 6 to 8 weeks before the last frost. If you choose to grow petunias from seed, you will have to plant ahead. They may be a bit delayed but will recover quickly. If the selection at your nursery is only leggy plants, you can prune them once you plant them. Leggy plants with numerous blooms are further along in their growth and will have a harder time adjusting after being transplanted. You’ll want to look for short and compact petunias. While they can be grown from seed, they are commonly available at local garden centers as transplants. Keep an eye on the forecast and make sure to use protection if a late frost comes through your area. Once the risk of frost has passed in the spring, you are safe to start planting outdoors. When To Plant It is recommended to plant petunias outdoors after the threat of spring frosts. Once you have decided what type of petunia you want to grow, you just have to choose a color or variety within that group. Understanding the types of petunias there are will help narrow your search for the right petunia for your space. With the ability to cover up to 10 square feet from one single plant, they will fill any space with beautiful blooms. ![]() These cultivars have vigorous growth and spread easily. They are divided into 5 different categories and each category has unique characteristics based on flower and plant size.Īnd last but not least are spreading or trailing varieties. With so many varieties to choose from, where do you even start? Before you start growing petunias, it’s important to understand the types of petunias available. Types of Petunias There are 5 types of petunias: grandiflora, multiflora, milliflora, floribunda and spreading or trailing varieties. They tend to revert to yellow, white, purple or pink. Self-seeding can result in different colored blooms from your original variety. This means they will replace older, dying petunias with new ones and keep filling in blank space. They are short-lived perennials and will finish blooming after a few years. But in warmer hardiness zones, petunias can bloom year-round. Petunias are sensitive to cooler temperatures and in most climates are treated as annuals. With a wide range of hardiness zones, they can be grown just about anywhere. They come in a variety of colors, sizes and shapes. Petunias are a very popular tender perennial. About Petunias Petunias are short-lived perennials that are tolerant of a wide range of hardiness zones and are capable of self-seeding. ![]()
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