One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's possible to plant scallions is to use the USDA zone info for Seabrook.

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 barely cold tolerant 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 Seabrook 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 fully mature. You can get started a couple of weeks earlier by starting your scallions indoors.

Last Frost Date

On average the last frost is on February 15 in Seabrook. In the coldest months of winter you should expect an average low temperature of 20°F.

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

USDA Zone Info for Seabrook

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 Seabrook

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