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.

You will be able to determine when it's a good idea to plant veronica by reviewing the USDA zone info for Mount Washington.

Planting Calendar for Veronica

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

Veronica can survive in some cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant veronica in Mount Washington 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 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 April 15 in Mount Washington. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Mount Washington may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Mount Washington it frosts late in the year after April 15 so make sure that you are ready to cover your veronica if you have a late frost.

USDA Zone Info for Mount Washington

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Mount Washington

You may be interested in your other planting guides for Mount Washington.