What to Do with Potted Elephant Ears in Winter

By Sophia Martinez · January 23, 2026

What to Do with Potted Elephant Ears in the Winter

To keep potted elephant ears (Colocasia spp.) alive over winter, move them indoors before temperatures drop below 50°F (10°C). Reduce watering, allow foliage to die back, and store the tubers in a cool, dark place. In spring, resume watering and light exposure to encourage regrowth.

Understanding Elephant Ears and Winter Survival

Elephant ears are tropical perennials prized for their large, dramatic foliage. While they thrive outdoors in warm climates (USDA zones 8–11), they cannot survive freezing temperatures. When grown in containers, their roots are more exposed to cold than in-ground plants, making proper winter care essential for survival.

Why Winter Care Is Critical for Potted Elephant Ears

Container soil cools faster than ground soil, increasing frost risk.
Tuberous roots can rot if left wet in cold conditions.
Indoor dormancy mimics natural seasonal cycles, promoting healthy regrowth.
Potted plants lack insulation from surrounding earth, making them vulnerable.

Step-by-Step Guide to Overwintering Potted Elephant Ears

1. Monitor Temperature and Timing

Begin preparations when nighttime temperatures consistently fall below 55°F (13°C). Most gardeners in zones 7 and below must bring plants indoors by late fall.

2. Cut Back Foliage After First Frost

Once leaves yellow or blacken after a light frost, trim them to 2–3 inches above the soil. This signals the plant to enter dormancy.

3. Remove Tubers or Keep in Pot?

You can either:

Dig up tubers, clean off soil, and store them bare.
Leave tubers in pots, but stop watering and place in a dark area.

If keeping in pots, ensure containers are lightweight and easy to move.

4. Choose the Right Storage Environment

Store tubers or pots in a location that remains between 45–55°F (7–13°C) with moderate humidity. Basements, garages, or heated sheds work well if temperature-stable.

5. Check Tubers Monthly

Inspect for mold or shriveling. Lightly mist dry tubers; discard any showing signs of rot.

6. Restart Growth in Spring

About 4–6 weeks before last frost, reintroduce moisture and indirect light. New sprouts should appear within 2–4 weeks.

Overwintering Methods Compared

Method	Temperature Range	Watering Frequency	Success Rate*	Space Required
Indoor pot with reduced water	50–65°F (10–18°C)	Monthly light watering	70%	Medium
Tubers stored bare in peat moss	45–55°F (7–13°C)	None, occasional misting	85%	Low
Active indoor growth under lights	65–75°F (18–24°C)	Weekly, when topsoil dries	60%	High
Outdoor mulch (zones 8–9 only)	Below 40°F (−4°C)	Natural rainfall	50%	None

Table data source:1, 2

The table shows that storing bare tubers in peat moss offers the highest success rate due to controlled moisture and ideal temperature range. Active indoor growing requires more space and consistent care, lowering reliability. Outdoor mulching is least effective for container-grown plants.

Common Mistakes to Avoid

Overwatering during dormancy: Leads to tuber rot.
Storing in freezing areas: Ice formation destroys cell structure.
Exposing to direct sunlight indoors: Causes premature growth in suboptimal conditions.
Waiting too long to bring indoors: Cold shock damages roots.

Frequently Asked Questions About Overwintering Potted Elephant Ears

Can I leave my potted elephant ear outside in winter?

No, unless you live in USDA zone 10 or higher. In colder zones, freezing temperatures will kill the tubers. Even in zone 8–9, container-grown plants lack root insulation and should be moved indoors.

How often should I water dormant elephant ear tubers?

Do not water regularly. Instead, check every 4–6 weeks. If tubers appear shriveled, lightly mist the storage medium (e.g., peat or vermiculite). Avoid soaking.

Should I fertilize elephant ears in winter?

No. During dormancy, elephant ears are not actively growing and do not require fertilizer. Resume feeding in spring when new shoots emerge.

What temperature kills elephant ear tubers?

Sustained temperatures below 40°F (4°C) can damage or kill tubers. Frost causes cellular breakdown. Always keep tubers above 45°F (7°C) during storage.

Can I grow elephant ears indoors all winter as houseplants?

Yes, but it's challenging. They require bright, indirect light (preferably grow lights), high humidity, and consistent warmth (65–75°F). Many gardeners prefer dormancy storage for simplicity and better spring results.