Before planting it is a good idea to find your USDA Zone info to determine 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.

In Summit you can figure out when to plant scallions by referring to 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 are one of those plants that can tolerate a tiny bit of cold weather which means that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant scallions in Summit 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. If you wait 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

On average the last frost is on April 15 in Summit. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Summit may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Summit there is a last frost after April 15 so make sure that you are prepared to cover your scallions in the event of a late frost.

USDA Zone Info for Summit

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Summit

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