One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when to plant streptocarpella by looking at the USDA zone info for Kingsford.

Planting Calendar for Streptocarpella

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

It's a bad idea to plant streptocarpella until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant streptocarpella in Kingsford 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. You probably don't want to wait any later than that or else your streptocarpella may not have a chance to really do well. You can get started a little bit earlier by starting your streptocarpella indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Kingsford. In the coldest months of winter you should expect an average low temperature of -30°F.

Just be sure to remember that USDA zone info for Kingsford may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Kingsford you get a frost after May 15 so just be sure to be ready to cover your streptocarpella in the event of a surprise late frost.

USDA Zone Info for Kingsford

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Kingsford

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