Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's possible to plant veronica by reviewing the USDA zone info for Greenfield.

Planting Calendar for Veronica

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

Veronica do ok in moderate cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant veronica in Greenfield 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. Any later than that and 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

On average all chance of frost has passed is on April 15 in Greenfield. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Greenfield is not always accurate the actual date of last frost is different every year. Since half of the time in Greenfield it frosts late in the year after April 15 be ready to cover your veronica in the event of one of those late frosts.

USDA Zone Info for Greenfield

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 Greenfield

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