One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant veronica is to consult the USDA zone info for Windsor.

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 plants that are more sensitive to the cold.

The earliest that you can plant veronica in Windsor is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant veronica and expect a good harvest is probably October. You probably don't want to wait any later than that or else your veronica may not have a chance to fully mature. Starting your veronica indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Windsor the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Windsor is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Windsor you get a frost after February 15 so make sure that you are prepared to protect your veronica in the event of a late frost.

USDA Zone Info for Windsor

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Windsor

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