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.

One way of making a decision about when to plant streptocarpella is to check out the USDA zone info for Barre.

Planting Calendar for Streptocarpella

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

You should not plant streptocarpella until after the last frost because they require warm weather.

The earliest that you can plant streptocarpella in Barre 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

The average date of last frost is May 15 in Barre. It might get as low as -25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Barre may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Barre you get surprised by a frost after May 15 be ready to protect your streptocarpella in the event of a surprise late frost.

USDA Zone Info for Barre

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 Barre

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