Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when you can plant coleus by referring to the USDA zone info for Vandalia.

Planting Calendar for Coleus

Frost tolerance for coleus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant coleus until after the last frost because they require warm weather.

The earliest that you can plant coleus in Vandalia 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 fully mature. Starting your coleus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Vandalia. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Vandalia is just an average the actual date of last frost will vary from year to year. Half of the time in Vandalia last frost occurs after April 15 so just be sure to be ready to cover your coleus if you have a surprise late frost.

USDA Zone Info for Vandalia

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 Vandalia

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