Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's a good idea to plant begonias by referring to the USDA zone info for New London.

Planting Calendar for Begonias

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

It's probably a bad idea to plant begonias until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant begonias 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 begonias and expect a good harvest is probably August. You probably don't want to wait any later than that or else your begonias may not have a chance to really do well. If you are starting your begonias indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In New London the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Remember that USDA zone info for New London may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in New London you get surprised by a frost after April 15 be ready to cover your begonias if you have a surprise late frost.

USDA Zone Info for New London

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in New London

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