The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 getting a good idea when it's the best time to plant purple bell vines is to examine the USDA zone info for Covington.

Planting Calendar for Purple Bell Vines

Frost tolerance for purple bell vines:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since purple bell vines do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant purple bell vines in Covington is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant purple bell vines and expect a good harvest is probably September. If you wait any later than that and your purple bell vines may not have a chance to fully mature. Starting your purple bell vines indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Covington. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Covington is an average the actual date of last frost is different every year. Since half of the time in Covington there is a last frost after February 15 be ready to protect your purple bell vines in the event of one of those late frosts.

USDA Zone Info for Covington

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 Covington

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