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 Ashdown you can figure out 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 has passed.

Since periwinkles do not do well in cold weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant periwinkles in Ashdown 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. If you wait any later than that and 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 all chance of frost has passed is on March 15 in Ashdown. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Ashdown is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Ashdown you get surprised by a frost after March 15 be ready to cover your periwinkles if you have a surprise late frost.

USDA Zone Info for Ashdown

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 Ashdown

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