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

It's possible to estimate when it's a good idea to plant monkey flower by reviewing the USDA zone info for Mount Prospect.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since monkey flower require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant monkey flower in Mount Prospect 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 monkey flower and expect a good harvest is probably August. If you wait any later than that and your monkey flower may not have a chance to really do well. Starting your monkey flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Mount Prospect. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Mount Prospect is an average and the actual date of last frost is different every year. Half of the time in Mount Prospect you get a frost after April 15 so be sure to be ready to cover your monkey flower in the event of a surprise late frost.

USDA Zone Info for Mount Prospect

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mount Prospect

You may be interested in your other planting guides for Mount Prospect.