Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant scallions in Orland Park should be estimated by looking at the USDA zone info.

Planting Calendar for Scallions

Frost tolerance for scallions:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Scallions do well in mild cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scallions in Orland Park is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scallions and expect a good harvest is probably August. Any later than that and your scallions may not have a chance to fully mature. You can get started a little bit earlier by starting your scallions indoors.

Last Frost Date

The average date of last frost is April 15 in Orland Park. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Orland Park is just an average the actual date of last frost is different every year. Since half of the time in Orland Park there is a last frost after April 15 be ready to cover your scallions in the event of one of those late frosts.

USDA Zone Info for Orland Park

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 Orland Park

You may be interested in your other planting guides for Orland Park.