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

The USDA zone info for Hampshire can be reviewed to figure out when to plant streptocarpella.

Planting Calendar for Streptocarpella

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

It's a bad idea to plant streptocarpella until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant streptocarpella in Hampshire 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. Any later than that and your streptocarpella may not have a chance to really do well. You can get started a little bit earlier by starting your streptocarpella indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Hampshire. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Hampshire may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Hampshire last frost occurs after April 15 so just be sure to be ready to cover your streptocarpella in the event of a late frost.

USDA Zone Info for Hampshire

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Hampshire

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