One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

By reviewing the USDA zone info for Carthage it's possible to figure out when it's a good idea to plant streptocarpella.

Planting Calendar for Streptocarpella

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

Since streptocarpella are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant streptocarpella in Carthage 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 streptocarpella and expect a good harvest is probably August. If you wait any later than that and your streptocarpella may not have a chance to fully mature. You can get started a few weeks earlier by starting your streptocarpella indoors.

Last Frost Date

The average date of last frost is March 15 in Carthage. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Carthage is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Carthage there is a last frost after March 15 so make sure that you are ready to cover your streptocarpella if you have one of those late frosts.

USDA Zone Info for Carthage

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Carthage

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