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

The first opportunity to plant marigold in Bensenville should be determined by reviewing the USDA zone info.

Planting Calendar for Marigold

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

Since marigold are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant marigold in Bensenville 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 marigold and expect a good harvest is probably August. If you wait any later than that and your marigold may not have a chance to really do well. If you are starting your marigold indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Bensenville the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Bensenville is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Bensenville you get surprised by a frost after April 15 so make sure that you are prepared to protect your marigold if you have a late frost.

USDA Zone Info for Bensenville

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 Bensenville

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