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.

One way of estimating when it's a good idea to plant veronica is to consult the USDA zone info for Belle Fourche.

Planting Calendar for Veronica

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

Since veronica are moderately cold tolerant you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant veronica and expect a good harvest is probably August. Any later than that and your veronica may not have a chance to fully mature. You can get started a few weeks earlier by starting your veronica indoors.

Last Frost Date

On average the last frost is on May 15 in Belle Fourche. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Belle Fourche may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Belle Fourche you get surprised by a frost after May 15 so just be sure to be ready to cover your veronica if you have a late frost.

USDA Zone Info for Belle Fourche

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Belle Fourche

You may be interested in your other planting guides for Belle Fourche.