One of the first steps you take when you are making a decision about your gardening schedule is find your 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 making a decision about when it's possible to plant violets is to check out the USDA zone info for Watertown.

Planting Calendar for Violets

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

You can plant violets just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant violets in Watertown 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 violets and expect a good harvest is probably September. Any later than that and your violets may not have a chance to fully mature. If you are starting your violets indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Watertown. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Watertown is an average the actual date of last frost changes from year to year. Half of the time in Watertown you get a frost after April 15 so just be sure to be ready to protect your violets in the event of a late frost.

USDA Zone Info for Watertown

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 Watertown

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