The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Oswego you can figure out when you can plant elephant ears by using the USDA zone info.

Planting Calendar for Elephant Ears

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

Since elephant ears require warm weather you really should wait until after all chance of 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 really do well. If you are starting your elephant ears indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Oswego the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year 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 it frosts late in the year after April 15 be ready to protect your elephant ears if you have one of those late frosts.

USDA Zone Info for Oswego

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Oswego

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