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.

One way of determining when it's the best time to plant periwinkles is to look at the USDA zone info for Milledgeville.

Planting Calendar for Periwinkles

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

It's not a good idea to plant periwinkles until after the last frost has passed because they require warm weather.

The earliest that you can plant periwinkles in Milledgeville 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. You can get started a few weeks earlier by starting your periwinkles indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Milledgeville. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Milledgeville may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Milledgeville last frost occurs after March 15 be ready to cover your periwinkles in the event of a surprise late frost.

USDA Zone Info for Milledgeville

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 Milledgeville

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