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.

You can determine when to plant streptocarpella in Birmingham by reviewing 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 tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant streptocarpella in Birmingham 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. 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

On average all chance of frost has passed is on March 15 in Birmingham. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Birmingham is just an average and the actual date of last frost will vary from year to year. Half of the time in Birmingham it frosts late in the year after March 15 so make sure that you are prepared to protect your streptocarpella if you have one of those late frosts.

USDA Zone Info for Birmingham

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Birmingham

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