How to split sedum

Written by jennifer loucks
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How to split sedum
Sedum plants store their water in their leaves. (Jupiterimages/ Images)

Sedum, also known as stonecrop, is a plant that produces succulent foliage and flowers in various colours. The plant is available in several varieties that reach a height of 6 to 24 inches and width of 12 to 24 inches. Propagate a mature sedum plant every three to four years by digging up the entire plant and root structure and splitting the root-ball into multiple sections. Sedum plants should be divided in the spring to prevent disruption of the fall blooming.

Skill level:
Moderately Easy

Things you need

  • Bleach
  • Shovel
  • Hand pruner
  • Organic compost

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  1. 1

    Disinfect all tools by washing them with a solution of 9 parts water and 1 part bleach. Let the tools dry prior to using. This will prevent the spread of diseases that are carried on tools.

  2. 2

    Dig up the sedum plant, making sure to include the entire root-ball structure. Place the plant in a shady location to prevent the sun from drying it while you are separating the plant.

  3. 3

    Inspect the root-ball to see which areas can be easily separated into new plant sections. Gently pull or cut the roots apart to divide the plant. Each section must have a root structure that includes two growth eyes and fibrous feeder roots.

  4. 4

    Prepare the new planting location by mixing organic compost into the soil to increase the soil nutrient value and moisture retention.

  5. 5

    Replant the divided sedum by digging a hole that is slightly wider than the new root-ball. Plant the divided plant at the same depth it was in the previous location.

  6. 6

    Cut the stems to half their length to stimulate the plant to branch out and thicken.

  7. 7

    Water the sedum immediately after planting to stimulate root growth. Continue to water the plant to keep the soil moist for two to three weeks.

Tips and warnings

  • Divide sedum plants if the centre of the plant begins to die out. Split the healthy portions of the plant and root structure and discard the centre section.

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