The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Superior you should be able to determine when it's a good idea to plant beets.

Planting Calendar for Beets

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

You can plant beets a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant beets in Superior is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant beets and expect a good harvest is probably August. Any later than that and your beets may not have a chance to grow to maturity. You can get started a little bit earlier by starting your beets indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Superior is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Superior there is a last frost after May 15 so be sure to be ready to cover your beets if you have a surprise 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.