How to Grow Petunias

How to Grow Petunias

Petunias are one of the most popular flowering plants that are often added in gardens because they bloom continuously from spring until frost. They are often planted in borders, containers, window sills and flower beds to add more color to the garden. Hanging baskets are favoured too for the cascading variety which you can hang in strategic places around your home.

How to Grow Petunias How to Grow Petunias

If you are planning on raising petunias, there are a few things you need to keep in mind.

  • Choose a Variety – Consider what type of petunia you will grow. There are four categories and these are grandiflora, mutliflora, miliflora and ground petunias. Each of these types has their own care and maintenance tips that you should consider if appropriate for your garden.
  • Buy Healthy Petunias – If you don’t want to grow petunias from seeds choose one that has thick foliage as opposed to the long and scraggly ones. You should only plant your petunias once the frost is over.
  • Grow Petunias from Seeds – If you will grow petunias from seeds, you should prepare them 10 to 12 weeks prior to planting. The tiny seeds should be spread out evenly before being pressed into the soil then water with fine mist. Store the seeds in a warm spot until the seeds have sprouted. You should then move them into a bright yet cool spot to grow.
  • How to Grow Petunias
  • Deadhead Petunias – Maintain the blooms of your petunia by deadheading or pinching any blooms that have already withered. The multiflora type of petunia doesn’t need to be pinched but you can cut about a third to encourage new blooms.
  • Reduce Fertilizer – Adding fertilizer to your petunias can encourage petunias to grow. However, if the foliage is thick but there are no blooms, cut back on the fertilizer.
  • Don’t Over Water – Petunias need to be deep watered once a week depending on the temperature. Avoid overwatering since this can turn the roots to rot.
  • Keep Pests and Diseases Away – If you want your petunia to thrive choose a hardy variety like the multiflora. Get rid of aphids that will most likely lurk under the leaves by blasting them water and soap.
  • Choose a Sunny Spot – Petunias love the sun which means that placing them in an area where they will get the most sun is ideal if you want to keep them blooming all the time. More sun means more flowers so choose a sunny place in your garden for these beautiful blooms.


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