Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In New Prague you can determine when you can plant streptocarpella by referring to the USDA zone info.

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's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant streptocarpella in New Prague 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. If you wait any later than that and your streptocarpella may not have a chance to really do well. You can get started a couple of weeks earlier by starting your streptocarpella indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in New Prague. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for New Prague is just an average and the actual date of last frost is different every year. Half of the time in New Prague there is a last frost after May 15 so make sure that you are prepared to cover your streptocarpella if you have a surprise late frost.

USDA Zone Info for New Prague

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in New Prague

You may be interested in your other planting guides for New Prague.