One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's possible to plant periwinkles by referring to the USDA zone info for Eunice.

Planting Calendar for Periwinkles

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

Since periwinkles require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant periwinkles in Eunice is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant periwinkles and expect a good harvest is probably September. Any later than that and your periwinkles may not have a chance to fully mature. You can get started a little bit earlier by starting your periwinkles indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Eunice. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Eunice is an average and the actual date of last frost is different every year. Since half of the time in Eunice you get surprised by a frost after February 15 be ready to protect your periwinkles in the event of a late frost.

USDA Zone Info for Eunice

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Eunice

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