One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Slidell you should be able to figure out when it's possible to plant scallions.

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.

You can plant scallions just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant scallions in Slidell 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 grow to maturity. Starting your scallions indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Slidell is an average and the actual date of last frost will vary from year to year. Since half of the time in Slidell last frost occurs after February 15 be ready to protect your scallions if you have a surprise late frost.

USDA Zone Info for Slidell

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 Slidell

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