Before planting it is a good idea to find your USDA Zone info to estimate 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 first opportunity to plant scallions in Greenfield 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 ok in moderate cold which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant scallions in Greenfield 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 scallions and expect a good harvest is probably September. If you wait any later than that and your scallions may not have a chance to really do well. You can get started a little bit earlier by starting your scallions indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Greenfield. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Greenfield is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Greenfield last frost occurs after February 15 be ready to protect your scallions in the event of a surprise late frost.

USDA Zone Info for Greenfield

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Greenfield

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