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

It's possible to estimate when you can plant tomatos by looking at the USDA zone info for Canonsburg.

Planting Calendar for Tomatos

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

It's a bad idea to plant tomatos until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant tomatos in Canonsburg 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 tomatos and expect a good harvest is probably August. Any later than that and your tomatos may not have a chance to really do well. You can get started a little bit earlier by starting your tomatos indoors.

Last Frost Date

The average date of last frost is April 15 in Canonsburg. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Canonsburg is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Canonsburg last frost occurs after April 15 so make sure that you are ready to protect your tomatos in the event of one of those late frosts.

USDA Zone Info for Canonsburg

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 Canonsburg

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