Cold damage on houseplants

Common causes of cold damage and the first things to check, summarized from 26 PlantGrail care records across 22 plants (as of ).

What causes cold damage on houseplants?

It depends on the plant and how it is kept, so check the plant pages below. For Cactus, the records explain it like this: Exposure to freezing temperatures causes ice crystals to form within the cactus tissue, rupturing cell walls. Once thawed, the affected areas become black, translucent, and mushy (necrotic).

Common first steps

  1. Inspect roots - if firm and white, plant will likely recover
  2. Withhold water for 2-4 weeks to prevent root rot during recovery
  3. Thaw the plant slowly in a cool, dry room (50-60�F); rapid heat can increase tissue stress.

Plants with records for cold damage

Most records first. Open a plant for its own causes and fixes.

Questions about cold damage

Which plants have the most records for cold damage?

anthurium, calathea, fiddle leaf fig, rubber plant, boston fern and 17 others.

Can cold damage be prevented?

Know your species' cold hardiness zone. For most indoor cacti, bring them inside when night temperatures consistently drop below 50�F (10�C).

What are these records?

This page summarizes 26 PlantGrail care records on cold damage. Records describe care topics; they are not counts of observed plants or treatment outcomes.

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