One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 way of estimating when to plant balsam is to refer to the USDA zone info for Sheffield.

Planting Calendar for Balsam

Frost tolerance for balsam:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant balsam until after the last frost because they do not do well in cold weather.

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

The last month that you can plant balsam and expect a good harvest is probably August. If you wait any later than that and your balsam may not have a chance to fully mature. If you are starting your balsam indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Sheffield the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Sheffield is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Sheffield it frosts late in the year after April 15 so make sure that you are ready to cover your balsam in the event of a late frost.

USDA Zone Info for Sheffield

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Sheffield

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