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

You will be able to determine when it's possible to plant mimulus by referring to the USDA zone info for Clinton.

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 all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant mimulus in Clinton 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. If you wait any later than that and your mimulus may not have a chance to really do well. If you are starting your mimulus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Clinton. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Clinton is not always accurate the actual date of last frost is different every year. Half of the time in Clinton you get surprised by a frost after April 15 so be sure to be ready to cover your mimulus if you have a late frost.

USDA Zone Info for Clinton

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 Clinton

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