One of the best tools that you have as gardeners to help us figure out 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.

In Marshfield you can determine when to plant coleus by checking out the USDA zone info.

Planting Calendar for Coleus

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

Since coleus are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant coleus in Marshfield 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 couple of weeks earlier by starting your coleus indoors.

Last Frost Date

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

Remember that USDA zone info for Marshfield is an average and the actual date of last frost is different every year. Since half of the time in Marshfield last frost occurs after April 15 be ready to cover your coleus in the event of a surprise late frost.

USDA Zone Info for Marshfield

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 Marshfield

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