One of the first steps you take when you are determining 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.

In Clarendon Hills you can determine when you can plant monkey flower by reviewing the USDA zone info.

Planting Calendar for Monkey Flower

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

You can not plant monkey flower until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant monkey flower in Clarendon Hills 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. You can get started a few weeks earlier by starting your monkey flower indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Clarendon Hills. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Clarendon Hills may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Clarendon Hills you get a frost after April 15 so be sure to be ready to cover your monkey flower in the event of one of those late frosts.

USDA Zone Info for Clarendon Hills

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 Clarendon Hills

You may be interested in your other planting guides for Clarendon Hills.