How to Cut Back Drooping Petunias

Written by kathryn hatter
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How to Cut Back Drooping Petunias
Keep petunias full and bushy with drastic pruning. (Jupiterimages/ Images)

Left to their own devices, petunias often become overgrown, droopy and leggy as a growing season progresses. Revitalise your petunia with some drastic trimming. Although it may seem counterproductive, cutting back a drooping petunia plant will encourage bushier, lateral growth. Care for the pruned petunia properly and within one to two weeks, you will see more energetic growth as the petunia plant begins growing again with renewed vigour.

Skill level:
Moderately Easy

Things you need

  • Pruning shears
  • Water-soluble fertiliser (10-10-10)

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  1. 1

    Cut back the drooping stems about halfway through the growing season when the petunia begins looking lanky and overgrown. Trim off the stems by about half with the pruning shears.

  2. 2

    Discard the stems you pruned away. Do not leave the trimmed stems on the soil around the petunia plant because it may contribute to disease.

  3. 3

    Provide a thorough watering of the petunia plant immediately after you prune.

  4. 4

    Mix the fertiliser with water according to package instructions. Pour the fertiliser over the soil, taking care not to splash water onto the foliage of the petunia plant.

  5. 5

    Water the petunia as much as necessary to keep the top inch of soil from drying out. Continue the careful watering over the next one to two weeks while the petunia recovers from the hard pruning.

  6. 6

    Fertilise the petunia one or two times a month for the remainder of the growing season.

Tips and warnings

  • The point on the stems where you cut off the petunias does not matter. With the hard pruning, the petunia plant will recover with bushy growth.

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