One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant mimulus is to examine the USDA zone info for Ravenna.

Planting Calendar for Mimulus

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

It's probably not a good 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 Ravenna 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 grow to maturity. You can get started a couple of weeks earlier by starting your mimulus indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Ravenna. You can expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Ravenna is just an average and the actual date of last frost changes from year to year. Half of the time in Ravenna last frost occurs after April 15 so make sure that you are prepared to cover your mimulus in the event of one of those late frosts.

USDA Zone Info for Ravenna

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 Ravenna

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