The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Jackson you can figure out when you can plant streptocarpella by referring to the USDA zone info.

Planting Calendar for Streptocarpella

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

Streptocarpella are not cold tolerant which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant streptocarpella in Jackson 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 streptocarpella and expect a good harvest is probably August. Any later than that and your streptocarpella may not have a chance to really do well. Starting your streptocarpella indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Jackson. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Jackson may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Jackson last frost occurs after May 15 so always be ready to cover your streptocarpella in the event of a surprise late frost.

USDA Zone Info for Jackson

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 Jackson

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