One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant streptocarpella in New London should be estimated by reviewing the USDA zone info.

Planting Calendar for Streptocarpella

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

It's probably not a good idea to plant streptocarpella until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant streptocarpella in New London 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. Starting your streptocarpella indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in New London. In the coldest months of winter you can expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for New London is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in New London it frosts late in the year after April 15 so just be sure to be ready to cover your streptocarpella if you have one of those late frosts.

USDA Zone Info for New London

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in New London

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