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.

A common way of figuring out when to plant veronica is to look at the USDA zone info for Canonsburg.

Planting Calendar for Veronica

Frost tolerance for veronica:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant veronica just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant veronica in Canonsburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant veronica and expect a good harvest is probably September. You probably don't want to wait any later than that or else your veronica may not have a chance to fully mature. You can get started a little bit earlier by starting your veronica indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Canonsburg is not always accurate and the actual date of last frost changes from year to year. Half of the time in Canonsburg there is a last frost after April 15 so be sure to be ready to protect your veronica if you have a late frost.

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.