The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when to plant garden mums in Mchenry by using the USDA zone info.

Planting Calendar for Garden Mums

Frost tolerance for garden mums:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since garden mums do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant garden mums in Mchenry is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably September. You probably don't want to wait any later than that or else your garden mums may not have a chance to fully mature. You can get started a little bit earlier by starting your garden mums indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Mchenry. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Mchenry may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Mchenry there is a last frost after April 15 be ready to protect your garden mums in the event of a late frost.

USDA Zone Info for Mchenry

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 Mchenry

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