How to Split a Hosta Grown in a Pot

Written by melissa lewis
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How to Split a Hosta Grown in a Pot
Divide a hosta when it becomes too large for its pot. (Medioimages/Photodisc/Photodisc/Getty Images)

Hostas are commonly grown outdoors in shady areas, but they also perform well in pots. Since they usually outgrow their pots in a few years, splitting or dividing them becomes necessary so the plants can thrive. Dividing hostas is also done for propagation; each new section of the divided hosta will grow into its own plant. Divide indoor potted hostas anytime of the year. For outdoor-grown hostas that die back in the winter, split them in the spring as new growth appears or in the fall one month before the first expected frost.

Skill level:
Moderately Easy

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Things you need

  • Knife

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Instructions

  1. 1

    Remove the hosta from the pot. Tap the sides or use a knife to separate the soil from the pot.

  2. 2

    Brush off the soil and lay the hosta down on newspaper.

  3. 3

    Cut the roots and crown apart with a sharp knife. Each section of your new hosta plant should have healthy roots and a healthy section of the stem. Dividing the plants into two to four parts is ideal.

  4. 4

    Replant the divisions in fresh, new and moist all-purpose potting soil and at the same depth as they were planted in their old container. Keep the soil slightly moist for the first six to eight weeks while the divisions become established.

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