One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant coleus is to check out the USDA zone info for Zanesville.

Planting Calendar for Coleus

Frost tolerance for coleus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Coleus are not cold tolerant which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

Last Frost Date

The average date of last frost is April 15 in Zanesville. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Zanesville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Zanesville it frosts late in the year after April 15 be ready to cover your coleus in the event of a late frost.

USDA Zone Info for Zanesville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Zanesville

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