One of the first steps you take when you are estimating your gardening schedule is find your 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 estimate when to plant bell peppers by looking at the USDA zone info for Northfield.

Planting Calendar for Bell Peppers

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

Since bell peppers are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant bell peppers in Northfield 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. If you wait any later than that and your bell peppers may not have a chance to really do well. You can get started a little bit earlier by starting your bell peppers indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Northfield. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Northfield may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Northfield you get a frost after May 15 be ready to cover your bell peppers if you have a surprise late frost.

USDA Zone Info for Northfield

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 Northfield

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