When to Dig Up Elephant Ears: Complete Guide

By Emma Johnson · January 24, 2026

When to Dig Up Elephant Ears: Quick Answer

The best time to dig up elephant ears (Colocasia, Alocasia, or Xanthosoma spp.) is after the first frost when foliage begins to yellow or die back, typically in late fall before hard freezes occur. This timing allows gardeners to protect tubers from cold damage and prepare them for winter storage in USDA zones 8 and below.

Understanding Elephant Ear Growth Cycles

Elephant ears are tropical perennials prized for their large, dramatic foliage. While they thrive outdoors during warm months, most varieties cannot survive freezing temperatures. Knowing their natural growth cycle is essential for proper care and overwintering.

Key Growth Phases of Elephant Ears

Sprouting (Spring): Tubers emerge when soil temperatures consistently exceed 65°F (18°C).
Active Growth (Late Spring to Summer): Rapid leaf production occurs with ample warmth, moisture, and nutrients.
Dormancy Initiation (Fall): Cooling temperatures and shorter days signal plants to slow growth; leaves begin to yellow.
Dormant Phase (Winter): Plants retreat into tuber dormancy, requiring dry, cool, frost-free storage.

Why Timing Matters When Digging Up Elephant Ears

Digging too early can disrupt energy transfer into the tuber, weakening next season’s growth. Waiting too long risks frost-damaged or rot-prone corms. Proper timing ensures maximum energy storage and survival through winter.

Signs It’s Time to Dig Up Elephant Ears

Foliage turns yellow or brown after a light frost
Nights consistently drop below 50°F (10°C)
Soil temperature falls under 60°F (15.5°C) at 4-inch depth
Plant stops producing new leaves
Forecast predicts sustained freezing temperatures

Regional Guidelines for Digging Up Elephant Ears

Climate plays a major role in determining when to dig. Below is a regional breakdown based on USDA hardiness zones:

USDA Zone	Average First Frost Date	Recommended Dig-Up Window	Can Remain In-Ground?
7b (0° to 5°F)	Oct 15 – Nov 1	Nov 1 – Nov 15	No
8a (10° to 15°F)	Nov 1 – Nov 15	Nov 15 – Dec 1	Rarely
8b (15° to 20°F)	Nov 15 – Dec 1	Dec 1 – Dec 15	Possible with heavy mulch
9a (20° to 25°F)	Dec 1 – Dec 15	Not required	Yes
10+ (>30°F)	Rare or none	Not applicable	Yes

Table data source:USDA Plant Hardiness Zone Map 2023, The Old Farmer's Almanac

Data shows that gardeners in zones 7–8 should plan to dig between November and mid-December. In zone 8b, some elephant ear varieties may survive winter with 6 inches of mulch, but risk increases during cold snaps. Zones 9 and above generally do not require digging.

Step-by-Step Guide to Digging and Storing Elephant Ears

Tools You’ll Need

Garden fork or shovel
Pruning shears
Labels and markers
Paper bags or cardboard boxes
Dry peat moss, vermiculite, or perlite

How to Dig Up Elephant Ears Safely

Wait until after a light frost has damaged foliage but before ground freezes.
Cut stems down to 4–6 inches above the tuber.
Gently loosen soil around the plant, staying 8–12 inches from the base to avoid cutting the corm.
Lift the tuber carefully and shake off excess soil.
Cure tubers in a warm, dry, shaded area for 7–10 days.
Store in labeled containers filled with dry medium at 50–60°F (10–15°C), low humidity.

Common Mistakes to Avoid

Digging too early: Reduces stored energy in tubers, leading to weak sprouting.
Storing wet tubers: Promotes fungal rot; always cure before storage.
Using plastic bags: Traps moisture; use breathable paper or mesh containers.
Exposing to freezing temps: Even brief exposure can kill dormant tubers.
Mixing varieties without labeling: Leads to confusion in spring planting.

Frequently Asked Questions About When to Dig Up Elephant Ears

Can I leave elephant ears in the ground over winter?

Yes, but only in USDA zones 9–11 where temperatures rarely fall below 25°F (-4°C). In zones 8b, heavy mulching (6+ inches) may protect some varieties. Elsewhere, dig and store tubers indoors.

What happens if I don’t dig up elephant ears?

In cold climates, prolonged freezing will kill the tubers. Even a few nights below 25°F can cause irreversible rot. In milder zones, undug tubers may survive but are vulnerable to wet winter soils.

How do I know if my elephant ear tuber is still alive in spring?

Healthy tubers feel firm and heavy, with no mushy spots or mold. Before replanting, check for small pinkish buds (eyes). You can also place them in warm, moist peat for 1–2 weeks to test sprouting.

Can I dig up elephant ears before frost?

Only if you must relocate them or face an early cold snap. However, waiting until after a light frost helps signal dormancy and improves storage success. Premature digging may reduce vigor.

How long can stored elephant ear tubers last?

When stored properly at 50–60°F in dry, ventilated conditions, tubers can remain viable for 4–6 months. Check monthly for rot or drying out; mist lightly if shriveled, or remove if soft.