The USDA Zone info is a great tool for gardeners to help us estimate 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.

The USDA zone info for Crossville should be used to figure out when it's a good idea to plant balsam.

Planting Calendar for Balsam

Frost tolerance for balsam:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant balsam until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant balsam in Crossville 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 really do well. Starting your balsam indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Crossville. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Crossville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Crossville you get a frost after April 15 so make sure that you are prepared to cover your balsam if you have a surprise late frost.

USDA Zone Info for Crossville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Crossville

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