The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant periwinkles in Hephzibah can be estimated by using the USDA zone info.

Planting Calendar for Periwinkles

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

Periwinkles do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant periwinkles in Hephzibah 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 periwinkles and expect a good harvest is probably August. Any later than that and your periwinkles may not have a chance to grow to maturity. If you are starting your periwinkles indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Hephzibah. You can expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Hephzibah may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Hephzibah you get a frost after March 15 so be sure to be ready to cover your periwinkles in the event of a surprise late frost.

USDA Zone Info for Hephzibah

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Hephzibah

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