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

In Bossier City you can estimate when to plant periwinkles by checking out the USDA zone info.

Planting Calendar for Periwinkles

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

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

The earliest that you can plant periwinkles in Bossier City 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 grow to maturity. You can get started a little bit earlier by starting your periwinkles indoors.

Last Frost Date

The average date of last frost is March 15 in Bossier City. In the coldest months of winter you should expect an average low temperature of 15°F.

It's important to remember that USDA zone info for Bossier City is just an average and the actual date of last frost changes from year to year. Since half of the time in Bossier City there is a last frost after March 15 be ready to cover your periwinkles if you have a late frost.

USDA Zone Info for Bossier City

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 Bossier City

You may be interested in your other planting guides for Bossier City.