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

A way of getting a good idea when to plant veronica is to consult the USDA zone info for Monroe.

Planting Calendar for Veronica

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

Veronica are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant veronica in Monroe 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. If you wait any later than that and your veronica may not have a chance to really do well. You can get started a few weeks earlier by starting your veronica indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Monroe. It might get as low as -20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Monroe is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Monroe there is a last frost after April 15 so always be ready to cover your veronica in the event of a surprise late frost.

USDA Zone Info for Monroe

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Monroe

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