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

A way of figuring out when you can plant coleus is to refer to the USDA zone info for Manheim.

Planting Calendar for Coleus

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

It's probably not a good idea to plant coleus until after the last frost because they are not cold tolerant.

The earliest that you can plant coleus in Manheim 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. You can get started a little bit earlier by starting your coleus indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Manheim. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Manheim is an average the actual date of last frost will vary from year to year. Half of the time in Manheim last frost occurs after April 15 so make sure that you are prepared to protect your coleus in the event of one of those late frosts.

USDA Zone Info for Manheim

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 Manheim

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