One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Westbury it's a good idea to figure out when it's possible to plant sweet potatos.

Planting Calendar for Sweet Potatos

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

It's a bad idea to plant sweet potatos until after the last frost because they require warm weather.

The earliest that you can plant sweet potatos in Westbury 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 really do well. You can get started a few weeks earlier by starting your sweet potatos indoors.

Last Frost Date

The average date of last frost is April 15 in Westbury. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Westbury is not always accurate the actual date of last frost is different every year. Since half of the time in Westbury you get surprised by a frost after April 15 be ready to protect your sweet potatos if you have a late frost.

USDA Zone Info for Westbury

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Westbury

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