When to Plant Elephant Ears in Altoona, IA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant elephant ears in Altoona can be determined by referring to the USDA zone info.


Planting Calendar for Elephant Ears

Frost tolerance for elephant ears: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You should not plant elephant ears until after the last frost when the weather gets warmer because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant elephant ears
Possibly ok, but a risky time to plant elephant ears
Probably not a good time to plant elephant ears

The earliest that you can plant elephant ears in Altoona is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant elephant ears and expect a good harvest is probably August. You probably don't want to wait any later than that or else your elephant ears may not have a chance to really do well. You can get started a couple of weeks earlier by starting your elephant ears indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Altoona. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Altoona and it can change quite a bit from year to year. Since half of the time in Altoona you get a frost after April 15 be ready to cover your elephant ears if you have a surprise late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Altoona

You may be interested in your other planting guides for Altoona.