The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Mchenry you can estimate when you can plant veronica by reviewing the USDA zone info.

Planting Calendar for Veronica

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

Veronica do well in moderate cold which means that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant veronica in Mchenry 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 couple of weeks earlier by starting your veronica indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mchenry. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Mchenry is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Mchenry you get a frost after April 15 be ready to protect your veronica in the event of a late frost.

USDA Zone Info for Mchenry

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 Mchenry

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