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

The first chance to plant mimulus in Cleveland should be estimated by checking out the USDA zone info.

Planting Calendar for Mimulus

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

Since mimulus do not do well in cold weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant mimulus in Cleveland is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant mimulus and expect a good harvest is probably September. If you wait any later than that and your mimulus may not have a chance to grow to maturity. 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 February 15 in Cleveland. In the coldest months of winter you can expect an average low temperature of 20°F.

Remember that USDA zone info for Cleveland is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Cleveland there is a last frost after February 15 so be sure to be ready to cover your mimulus in the event of a surprise late frost.

USDA Zone Info for Cleveland

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Cleveland

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