One of the first steps you take when you are getting a good idea 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.

The USDA zone info for West Monroe can be looked at to determine when it's the best time to plant periwinkles.

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 really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant periwinkles in West Monroe 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. You probably don't want to wait any later than that or else your periwinkles may not have a chance to fully mature. 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 is on March 15 in West Monroe. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for West Monroe is just an average the actual date of last frost changes from year to year. Since half of the time in West Monroe you get surprised by a frost after March 15 be ready to cover your periwinkles if you have one of those late frosts.

USDA Zone Info for West Monroe

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in West Monroe

You may be interested in your other planting guides for West Monroe.