Before planting it is a good idea to find your USDA Zone info to determine 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.

It's possible to estimate when you can plant sweet potatos by reviewing the USDA zone info for Alexandria.

Planting Calendar for Sweet Potatos

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

It's a bad idea to plant sweet potatos until after the last frost because they do not do well in cold weather.

The earliest that you can plant sweet potatos in Alexandria 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 sweet potatos and expect a good harvest is probably August. Any later than that and your sweet potatos may not have a chance to grow to maturity. Starting your sweet potatos indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Alexandria is an average the actual date of last frost changes from year to year. Since half of the time in Alexandria you get surprised by a frost after March 15 be ready to protect your sweet potatos if you have a surprise late frost.

USDA Zone Info for Alexandria

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Alexandria

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