Home Lifestyle Garden & Outdoor How to Plant Petunias (Instructions & Tips)

How to Plant Petunias (Instructions & Tips)

How to Plant Petunias: Few flowers rival the profuse flowering and dramatic color of the petunias. The latter is simply stunning, as they cascade over the sides of the hanging boxes or baskets and look stunning hidden between the stones of the walls and the natural barriers. They are not only beautiful and aromatic but also easy to grow Petunias and care for.

How to Plant Petunias
How to Plant Petunias

How to Plant Petunias – Instructions

  1. Keep in mind the types and colors of petunias available. The magnificent Grandiflora will provide colored blankets as it cascades from the containers. Other smaller varieties are ideal for placing in small areas to give a little color.

  2. Select seedlings that are short and dense. These will be better plants for your baskets or planters. Plants that have grown tall and weak probably have not had adequate sunlight and will not produce as well as they should.

  3. Look for plants that are ready to bloom. Petunias produce fresh flowers every day while the older flowers fade and close. A plant that has many flowers but without buds may seem like a good plant when you buy it, but soon you will find yourself without flowers. The best option is a plant with many outbreaks. You may have to wait a little longer for the flowers, but you will be rewarded for your patience when the plant finally explodes with prolific flowers.

  4. Fill your pot or basket a 1/2 to 3/4 full with potting soil that has been mixed with vermiculite or peat. This will reduce the weight and increase the capacity of the soil to absorb and retain water.

  5. Add no more than three petunia plants in a pot of 10 (25.4 cm) to 12 inches (30.48 cm). A standard planter can contain up to six of the smaller varieties of petunias, but two Grandifloras will provide abundant flowering that will last the entire season.

  6. Water the ground thoroughly and hang your petunias in a sunny place. Although petunias will grow in partial shade, direct sunlight is preferred for larger, brighter blooms.

  7. Water them every time the soil dries. Petunias are of vigorous growth and need sufficient water or will soon wither. You may need to water hanging baskets and planters daily during the hottest days of summer.

  8. Remove withered flowers on a daily basis. This will encourage the plant to produce new flowers.

  9. Fertilize with a water-soluble fertilizer once a month during the growing season.


  • If the petunias stop giving flowers or show signs of wilting, cut them from 4 (10.16 cm) to 6 inches (15.24 cm) from the ground level. Make sure you keep them well watered and they will soon grow back and start blooming again.

You will need to

  • Petunia seedlings
  • Hanging baskets
  • A planter
  • Potting soil
  • Vermiculite / peat (optional)
  • Water soluble fertilizer

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