One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when to plant elephant ears is to consult the USDA zone info for Oswego.

Planting Calendar for Elephant Ears

Frost tolerance for elephant ears:	Not tolerant of frost.
When to plant:	After the last frost.

Elephant Ears require warm weather which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant elephant ears in Oswego 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. Any later than that and your elephant ears may not have a chance to fully mature. You can get started a few weeks earlier by starting your elephant ears indoors.

Last Frost Date

In Oswego the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Oswego and it will vary from year to year. Since half of the time in Oswego last frost occurs after April 15 be ready to cover your elephant ears in the event of one of those late frosts.

USDA Zone Info for Oswego

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Oswego

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