What to Do with Elephant Ears in Winter

By Sophia Martinez · January 24, 2026

What to Do with Elephant Ears in the Winter

To protect elephant ears (Colocasia and Alocasia) during winter, dig up tender varieties in USDA zones below 8, trim foliage, cure tubers, and store them in a cool, dry place between 45°F and 55°F. Hardy varieties in zones 8–11 can remain in-ground with heavy mulch protection.

Understanding Elephant Ear Winter Survival

Elephant ear plants are tropical perennials prized for their large, dramatic foliage. While they thrive in warm climates, winter cold poses a serious threat. Their survival depends on species type, local climate, and proper care. In colder regions, leaving them exposed leads to frost damage or complete loss of tubers.

Key Factors Influencing Winter Care

USDA Hardiness Zone: Determines whether plants can survive in-ground.
Species Type: Colocasia esculenta is more cold-tolerant than Alocasia varieties.
Frost Exposure: Temperatures below 32°F damage foliage; below 25°F kill tubers.
Soil Drainage: Wet soil in winter causes tuber rot even above freezing.
Microclimate: Sheltered areas near buildings may allow survival in borderline zones.

Determining Your Winter Strategy by Zone

Your USDA zone dictates the best approach. Below is a detailed breakdown of actions based on climate severity.

USDA Zone	Winter Avg. Min Temp (°F)	Elephant Ear Survival Strategy	Storage Tips (if applicable)
3–6	-40 to 0	Dig and store tubers indoors	Store at 45–50°F in peat moss or vermiculite
7	0 to 10	Dig tubers or heavily mulch	Mulch 6–12 inches if left in-ground; monitor moisture
8–9	10 to 25	Leave in-ground with mulch	Apply 4–6 inches of straw or leaves after first frost
10–11	30 to 40	No action needed; semi-evergreen	Trim dead leaves in spring; water lightly in dry spells

Table data source:USDA Plant Hardiness Zone Map, University of Minnesota Extension

The data shows that zones 3–7 require active intervention to preserve elephant ear tubers, while zones 8 and above allow passive overwintering. Proper mulching reduces freeze-thaw cycles that crack tubers. Indoor storage prevents desiccation when humidity is maintained at 60–70%.

Step-by-Step Guide to Digging and Storing Tubers

When to Begin

Wait until after the first frost blackens the foliage, signaling dormancy. This typically occurs when nighttime temps consistently drop below 45°F.

How to Harvest and Prepare Tubers

Cut stems to 4–6 inches above the tuber.
Dig carefully 6–8 inches from the base to avoid cutting tubers.
Shake off excess soil; do not wash.
Cure tubers in a warm, dry place (70–80°F) for 1–2 weeks to heal wounds.
Inspect for rot or pests; discard damaged tubers.
Pack in paper bags, cardboard boxes, or breathable containers filled with peat moss, vermiculite, or coconut coir.
Store in a dark location between 45–55°F (e.g., basement or garage).

Monitoring Stored Tubers

Check monthly for shriveling (indicating dryness) or mold (indicating excess moisture). Lightly mist dry tubers; remove any showing rot immediately.

Overwintering Potted Elephant Ears

If grown in containers, bring pots indoors before temperatures drop below 50°F. Options include:

Dormant Storage: Cut back foliage, stop watering, and store pot in a cool, dark area.
Indoor Growth: Place in a bright, south-facing window and maintain light watering and humidity.

Potted plants are easier to manage and less prone to rot if drainage is adequate.

Reviving Elephant Ears in Spring

In early spring (March–April), inspect stored tubers for firmness and sprouting. Replant outdoors only after soil temperature reaches 65°F and all frost danger has passed. Start tubers indoors 4–6 weeks before transplanting to get a head start.

Common Mistakes to Avoid

Storing tubers in refrigerators (too cold; causes chilling injury).
Leaving wet tubers in storage (leads to fungal rot).
Replanting too early in cold soil (delays growth or causes rot).
Using nitrogen-rich fertilizer in fall (promotes tender growth vulnerable to frost).

Frequently Asked Questions About Elephant Ears in Winter

Can elephant ears survive winter in zone 7?

Some hardy Colocasia varieties can survive zone 7 winters with heavy mulching (6–12 inches of straw or leaves). However, wet soils increase rot risk. For reliability, dig and store tubers indoors where winter lows dip below 10°F.

How do I know if my stored elephant ear tubers are still alive?

Firm, plump tubers with no mold or foul odor are viable. Shriveled tubers may revive with light misting. If they feel soft or mushy, they have likely rotted and should be discarded.

Should I water elephant ears in winter?

No. Outdoor plants should not be watered after dormancy begins. Potted plants kept indoors for active growth need minimal watering to keep soil slightly moist. Dormant stored tubers require no water.

Can I leave elephant ears in pots outside over winter?

Only in zones 8–11. In colder zones, pots expose tubers to deeper freezes due to limited insulation. Move containers to a garage or basement for best results.

What temperature kills elephant ear tubers?

Temperatures below 25°F can kill tubers, especially if prolonged. Even brief exposure to 20°F or lower risks severe damage. Frost damages foliage at 32°F, but tubers may survive briefly if soil insulates them.