How Cold Can Monstera Tolerate? Ultimate Guide

By Sophia Martinez · January 24, 2026

Monstera deliciosa can typically tolerate temperatures down to 50°F (10°C) for short periods, but prolonged exposure to temperatures below this threshold can cause damage or death. For optimal growth and health, Monsteras should be kept in environments where temperatures range between 65°F and 80°C (18–27°C).

Understanding Monstera Cold Tolerance

Monstera deliciosa, commonly known as the Swiss cheese plant, is native to tropical rainforests of Central and South America. As a tropical species, it thrives in warm, humid conditions and lacks natural adaptations to cold climates. When exposed to low temperatures, especially near or below freezing, physiological stress occurs, leading to cell damage, leaf discoloration, and root rot.

Key Risks of Cold Exposure

Leaf yellowing and browning
Wilting or drooping foliage
Root system deterioration due to cold, damp soil
Increased susceptibility to fungal diseases
Stunted growth or complete dormancy

Temperature Thresholds for Monstera Plants

Different temperature ranges have varying effects on Monstera health. Understanding these thresholds helps prevent irreversible damage.

Temperature Range (°F)	Temperature Range (°C)	Effect on Monstera
85–100°F	29–38°C	Heat stress; increased transpiration, potential leaf burn
65–85°F	18–29°C	Optimal growth range; strong photosynthesis and root activity
50–64°F	10–18°C	Slowed metabolism; risk of cold injury with prolonged exposure
35–49°F	2–9°C	High risk of tissue damage; possible death if sustained
<35°F	<2°C	Frost damage; cellular rupture; likely fatal

Table data source:1, 2

The data shows that Monstera plants begin to experience physiological stress when temperatures fall below 50°F (10°C). While brief dips may not be immediately fatal, sustained exposure increases the likelihood of irreversible damage. Frost conditions are almost always lethal due to ice formation within plant cells.

Signs Your Monstera Is Cold-Stressed

Recognizing early symptoms of cold damage allows timely intervention.

Blackened or mushy leaves: Indicates frost or chilling injury at the cellular level.
Yellowing lower leaves: Often one of the first signs of environmental stress, including cold.
Drooping stems: Caused by reduced turgor pressure from impaired water uptake.
Mold on soil surface: Cool, damp conditions promote fungal growth, especially if drainage is poor.
No new growth during growing season: A sign of prolonged cold-induced dormancy.

How to Protect Monstera from Cold Temperatures

Indoor Care Tips

Keep plants away from drafty windows, doors, and air conditioning vents.
Maintain consistent indoor temperatures above 65°F (18°C).
Use a digital hygrometer/thermometer to monitor microclimates near your plant.
Group tropical plants together to increase local humidity and buffer temperature fluctuations.

Outdoor Growing Considerations

Avoid placing Monstera outside unless nighttime temps stay above 55°F (13°C).
Bring plants indoors before fall temperatures drop below 50°F.
Use frost cloths or move potted plants to sheltered areas during unexpected cold snaps.
Never leave Monstera in unheated greenhouses or garages during winter.

Recovering a Cold-Damaged Monstera

If your Monstera has been exposed to cold, act quickly to improve recovery chances.

Move the plant to a warm, bright location (but out of direct sunlight initially).
Allow the soil to dry slightly before watering—cold-stressed roots are prone to rot.
Cut away any blackened or mushy leaves and stems with sterilized shears.
Wait 2–4 weeks before assessing new growth; avoid fertilizing until recovery is evident.
Consider using a root stimulant with beneficial microbes to support regeneration.

Frequently Asked Questions About Monstera Cold Tolerance

Can I leave my Monstera outside in winter?

No, you should not leave your Monstera outside in winter if temperatures regularly drop below 50°F (10°C). In USDA zones below 10b, Monstera must be grown indoors or brought inside during colder months to prevent cold damage.

Will my Monstera survive a night at 45°F?

A single night at 45°F (7°C) may not kill your Monstera, but it can cause leaf damage and weaken the plant. Prolonged exposure or repeated cold nights significantly increase the risk of death. Always bring the plant indoors if temperatures approach this level.

What is the lowest temperature a Monstera can survive?

The lowest survivable temperature for a healthy Monstera is around 35°F (2°C), but only for very short durations. Even then, severe tissue damage is likely. For practical purposes, never expose your Monstera to temperatures below 50°F (10°C) for more than a few hours.

Do Monsteras go dormant in cold weather?

Monsteras do not have a true dormancy like deciduous plants, but their growth slows dramatically when temperatures fall below 60°F (15°C). This semi-dormant state reduces metabolic activity, making them more vulnerable to overwatering and disease.

How can I protect my Monstera during a power outage in winter?

To protect your Monstera during a winter power outage, move it to an interior room with fewer drafts, wrap the pot in insulating material (like bubble wrap), and group it with other plants under a breathable cloth cover. Avoid placing it near fireplaces or space heaters that could dry out the foliage.