One of the best tools that you have as gardeners to help us figure out 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.

You should be able to figure out when you can plant coral bells by reviewing the USDA zone info for Alexandria.

Planting Calendar for Coral Bells

Frost tolerance for coral bells:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Coral Bells do well in moderate cold which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant coral bells in Alexandria is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant coral bells and expect a good harvest is probably August. You probably don't want to wait any later than that or else your coral bells may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your coral bells indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Alexandria. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Alexandria may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Alexandria there is a last frost after May 15 so just be sure to be ready to cover your coral bells if you have a late frost.

USDA Zone Info for Alexandria

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Alexandria

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