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

You can figure out when it's a good idea to plant streptocarpella in Prosper by using 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.

Since streptocarpella are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant streptocarpella in Prosper 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. You probably don't want to wait any later than that or else your streptocarpella may not have a chance to fully mature. If you are starting your streptocarpella indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Prosper the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Prosper may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Prosper it frosts late in the year after March 15 be ready to cover your streptocarpella in the event of a surprise late frost.

USDA Zone Info for Prosper

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 Prosper

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