One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when to plant mimulus by reviewing the USDA zone info for De Witt.

Planting Calendar for Mimulus

Frost tolerance for mimulus:	Not tolerant of frost.
When to plant:	After the last frost.

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

The earliest that you can plant mimulus in De Witt 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 mimulus and expect a good harvest is probably August. Any later than that and your mimulus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your mimulus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in De Witt. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for De Witt is not always accurate the actual date of last frost is different every year. Since half of the time in De Witt you get surprised by a frost after April 15 be ready to cover your mimulus in the event of a late frost.

USDA Zone Info for De Witt

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in De Witt

You may be interested in your other planting guides for De Witt.