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 USDA zone info for Oak Forest can be reviewed to estimate when to plant chrysanthemum.

Planting Calendar for Chrysanthemum

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

Chrysanthemum require warm weather which means that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant chrysanthemum in Oak Forest 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 chrysanthemum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chrysanthemum may not have a chance to fully mature. Starting your chrysanthemum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Oak Forest is an average the actual date of last frost is different every year. Since half of the time in Oak Forest there is a last frost after April 15 be ready to protect your chrysanthemum if you have a surprise late frost.

USDA Zone Info for Oak Forest

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 Oak Forest

You may be interested in your other planting guides for Oak Forest.