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

You will be able to determine when it's a good idea to plant mimulus by using the USDA zone info for Covington.

Planting Calendar for Mimulus

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

It's a bad idea to plant mimulus until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant mimulus in Covington 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 mimulus and expect a good harvest is probably August. Any later than that and your mimulus may not have a chance to grow to maturity. If you are starting your mimulus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Covington. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Covington is just an average and the actual date of last frost will vary from year to year. Half of the time in Covington it frosts late in the year after April 15 so be sure to be ready to cover your mimulus if you have one of those late frosts.

USDA Zone Info for Covington

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Covington

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