How To Keep Wave Petunias Blooming

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Wave Petunias Blooming

Suppose you want to maintain the stunning beauty and fascination in your garden. In that case, It’s difficult to beat the amazing beauty of a swarm of Wave petunias in bloom throughout the summer!

With trumpet-shaped, bright blossoms that appear in massive numbers on stems, Wave petunias can be the best choice for adding colors to pots, planters, or hanging baskets. They also work for bedding plants in flower beds.

Wave petunias were created in the mid-1990s to create an alternative to the traditional petunia plant. Prior to that, petunias were rarely more than 10-12 inches long. This changed when they introduced the Wave petunia. It quickly became a sensation!

Wave Petunias Blooming

Growing Wave petunias

You’ve decided to grow and plant your own Wave petunias, but where should you start? Here’s a quick overview of the fundamentals of cultivating spreading petunias.


In the beginning, you’ll want to plant petunias that spread about 2 to 1 foot from one another and various other flowers. Certain varieties, like Tidal Wave petunias, can grow up and might require additional space between plants. The growers usually like the appearance of Wave petunias that grow into one another; however, ensure that you give them at least a little space so that they are healthy.

If you plant the wave petunias into hanging containers or containers, petunias are usually able to fill the space you provide them. However, be sure not to overload the container with them since the annuals can take up the entire space.

Sunlight specifications

Petunias that love the sun! They require at least partial direct sunlight (a minimum of six hours is ideal). As a result, the flowers will blossom more vividly and are more likely to create new growth.

Temperature is required

The Wave Petunia thrives within the growing zone 9; however, they can be grown all over the United States. In the growing zones of PA (where we are situated), Wave petunias grow fantastic outdoors between late April and October, provided they have properly looked after.

Type of soil

Like many annuals, petunias like fertile soils that are well-drained. Soil that is too full of water, either in a container, or the landscape, can increase the risk of getting sick such as root rot.

Fertilizer needs

Wave petunias are sure to benefit from organic fertilizer added to your soil, whether it is from mulch, leaves, nutrients, or compost when your soil’s already a bit saturated with slow-release fertilizers or liquid fertilizers to supply the plant with the nutrients it requires throughout the summer.

Typically fertilizing them with water every three days is recommended as it allows the plant to gain additional nutrients during summer months when you’re frequently watering. However, it is important to have to be discerning in deciding when you should fertilize your Wave petunia.

If your plant is losing a significant amount of its flowers or the leaves are turning yellow, especially in the middle of the plants, this could be an indication that the plant might need some fertilizer.


Unlike regular petunias, Wave petunias do not deadhead as much. That means that hefty storms or rain will not make you pull flowers that have died off from the plant.

Wave Petunias Blooming

One reason that petunias that spread don’t have to be deadheaded so often can be attributed to their thriving development. If you take care of a Wave petunia’s care is taken correctly, it will keep blooming all through the entire summer and often replace previously flowering plants.

Even if it isn’t necessary to cut back as often, it is important to cut back your plants regularly can encourage growth and results in healthier plants.

Pest control and disease

The spread of petunias is a risk. They can be afflicted with many insects and diseases, including:


Fungal diseases


Growing Wave petunias in containers

Similar to growing them on hanging pots, it is important to know the number of plants you plant inside your pots. If you’re trying to find a precise amount, it will depend on your container size.

Make a plan for the Wave petunia to grow about a foot long by mounding a few, then plant other plants keeping this in your head.

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