One of the best tools that you have as gardeners to help us figure out 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.

You will be able to figure out when it's a good idea to plant streptocarpella by using the USDA zone info for Petal.

Planting Calendar for Streptocarpella

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

Since streptocarpella are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

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

Last Frost Date

On average all chance of frost has passed is on March 15 in Petal. It might get as low as 15°F during the coldest months of winter.

It's important to remember that USDA zone info for Petal may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Petal you get a frost after March 15 so just be sure to be ready to cover your streptocarpella if you have a late frost.

USDA Zone Info for Petal

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 Petal

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