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

A common way of figuring out when to plant mimulus is to use the USDA zone info for Sheffield Lake.

Planting Calendar for Mimulus

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

It's probably a bad idea to plant mimulus until after all chance of frost has passed because they require warm weather.

The earliest that you can plant mimulus in Sheffield Lake 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. You probably don't want to wait any later than that or else your mimulus may not have a chance to fully mature. If you are starting your mimulus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Sheffield Lake. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Sheffield Lake and it will vary from year to year. Half of the time in Sheffield Lake it frosts late in the year after April 15 so make sure that you are prepared to protect your mimulus if you have one of those late frosts.

USDA Zone Info for Sheffield Lake

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 Sheffield Lake

You may be interested in your other planting guides for Sheffield Lake.