Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Superior you can estimate when you can plant bell peppers by using the USDA zone info.

Planting Calendar for Bell Peppers

Frost tolerance for bell peppers:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Bell Peppers are not cold tolerant which tells us that it's necessary to 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 Superior 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. You probably don't want to wait any later than that or else your bell peppers may not have a chance to grow to maturity. If you are starting your bell peppers indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Superior. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Superior may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Superior it frosts late in the year after May 15 so just be sure to be ready to cover your bell peppers if you have a late frost.

USDA Zone Info for Superior

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 Superior

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