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

It's a good idea to estimate when it's a good idea to plant streptocarpella by checking out the USDA zone info for Rosemount.

Planting Calendar for Streptocarpella

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

Streptocarpella require warm weather which tells us that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant streptocarpella in Rosemount 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 grow to maturity. You can get started a little bit earlier by starting your streptocarpella indoors.

Last Frost Date

The average date of last frost is May 15 in Rosemount. In the coldest months of winter you can expect an average low temperature of -25°F.

Remember that USDA zone info for Rosemount is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Rosemount last frost occurs after May 15 be ready to protect your streptocarpella in the event of one of those late frosts.

USDA Zone Info for Rosemount

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 Rosemount

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