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Managing a Large Peace Lily: Pruning, Watering, and Dividing

Reader Question

My Peace Lily is huge — leaves droop over a file cabinet. Should I repot? Also, how to kill poison ivy? (Northwest Indiana)

Size Control: Prune, Don't Repot Up

Repotting into a larger pot makes it grow larger. Instead:

  • Prune back gradually — search "peace lily pruning" for technique.
  • Divide into multiple plants and repot each in same-size pots.

Watering by Weight (Best Method)

  1. Water thoroughly, then feel pot weight.
  2. Optionally, soak in saucer 10–15 min, then drain excess.
  3. Don't water again until pot feels considerably lighter and top soil is pale.
  4. Frequency varies — daily to monthly — based on conditions.

Ongoing Care

  • Rotate ¼ turn weekly for even growth.
  • Fertilize monthly during active growth.
  • Bright indirect light only — morning sun max.
  • Mist foliage 1–2×/week to prevent yellowing.
  • Remove yellow leaves promptly.

Poison Ivy Note

For poison ivy removal, consult local extension service — herbicide timing and safety matter.

Rick, Southern NJ

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