Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant melampodium in Glendale Heights should be estimated by checking out the USDA zone info.

Planting Calendar for Melampodium

Frost tolerance for melampodium:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably not a good idea to plant melampodium until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant melampodium in Glendale Heights 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 melampodium and expect a good harvest is probably August. If you wait any later than that and your melampodium may not have a chance to really do well. You can get started a couple of weeks earlier by starting your melampodium indoors.

Last Frost Date

The average date of last frost is April 15 in Glendale Heights. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Glendale Heights is not always accurate the actual date of last frost changes from year to year. Half of the time in Glendale Heights you get a frost after April 15 so be sure to be ready to protect your melampodium if you have a late frost.

USDA Zone Info for Glendale Heights

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 Glendale Heights

You may be interested in your other planting guides for Glendale Heights.