The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. 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 estimating when it's a good idea to plant begonias is to check out the USDA zone info for Union City.

Planting Calendar for Begonias

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

Since begonias require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant begonias in Union City 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 begonias and expect a good harvest is probably August. You probably don't want to wait any later than that or else your begonias may not have a chance to really do well. You can get started a few weeks earlier by starting your begonias indoors.

Last Frost Date

In Union City the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Union City is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Union City last frost occurs after April 15 so be sure to be ready to cover your begonias in the event of a surprise late frost.

USDA Zone Info for Union City

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Union City

You may be interested in your other planting guides for Union City.