Cold Damage / Chilling Injury
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About this condition
A physiological disorder in which leaves and stems of tropical or subtropical foliage plants discolor and soften when exposed to temperatures well below their tolerance range. It commonly occurs due to winter management errors.
Common symptoms
- Leaves may darken, soften, and take on a water-soaked appearance
- Discoloration and dieback may begin at leaf margins and tips
- Stems may become soft and the whole plant may wilt
- Damaged tissue does not recover and may dry out and fall off
Common causes
- Placement near windows or entryways exposed to cold drafts in winter
- Rapid temperature drops overnight when heating is off
- Sudden transfer from a warm environment to a cold one
- Root chilling stress from watering with very cold tap water
Prevention (growing conditions & routine care)
Learn the minimum cold tolerance of each plant species and keep them in locations where temperatures stay above 10 °C in winter. Avoid placing plants near cold drafts from windows or directly in heating airflow, and use room-temperature water for watering.
Related guide
→ Browse the species guide for this animalWhen to see a vet
Consider acting within a few daysWhat can a nursery or grower do?
Specialist nurseries and growers can advise on the minimum temperature tolerance for specific plant species, how to select an appropriate winter placement, and how to adjust watering frequency during cold periods.
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