Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant sweet potatos is to use the USDA zone info for Old Westbury.

Planting Calendar for Sweet Potatos

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

Sweet Potatos require warm weather which tells us that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Old 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 grow to maturity. Starting your sweet potatos indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Old Westbury. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Old Westbury may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Old Westbury last frost occurs after April 15 be ready to protect your sweet potatos if you have one of those late frosts.

USDA Zone Info for Old 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 Old Westbury

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