One of the first steps you take when you are figuring out 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.

The USDA zone info for Watertown can be reviewed to figure out when it's the best time to plant bell peppers.

Planting Calendar for Bell Peppers

Frost tolerance for bell peppers:	Not tolerant of frost.
When to plant:	After the last frost.

Bell Peppers require warm weather which tells us that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bell peppers in Watertown is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant bell peppers and expect a good harvest is probably August. Any later than that and your bell peppers may not have a chance to really do well. Starting your bell peppers indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Watertown. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Watertown may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Watertown you get a frost after May 15 be ready to protect your bell peppers if you have a surprise late frost.

USDA Zone Info for Watertown

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 Watertown

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