The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Dewitt can be reffered to in order to estimate when it's possible to plant coleus.

Planting Calendar for Coleus

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

You should not plant coleus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant coleus in Dewitt 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. If you wait 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 few weeks earlier.

Last Frost Date

In Dewitt the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Dewitt may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Dewitt last frost occurs after April 15 be ready to cover your coleus if you have one of those late frosts.

USDA Zone Info for Dewitt

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Dewitt

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