The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant mimulus in Salt Lake City by looking at 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 are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant mimulus in Salt Lake City 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 fully mature. You can get started a few weeks earlier by starting your mimulus indoors.

Last Frost Date

The average date of last frost is April 15 in Salt Lake City. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Salt Lake City is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Salt Lake City it frosts late in the year after April 15 be ready to protect your mimulus in the event of a surprise late frost.

USDA Zone Info for Salt Lake City

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Salt Lake City

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