The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 determine when it's possible to plant begonias by referring to the USDA zone info for Annapolis.

Planting Calendar for Begonias

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

Since begonias are not cold tolerant you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant begonias in Annapolis 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. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Annapolis. It might get as low as 5°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Annapolis and it will vary from year to year. Half of the time in Annapolis last frost occurs after April 15 so make sure that you are prepared to protect your begonias if you have a surprise late frost.

USDA Zone Info for Annapolis

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Annapolis

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