One of the first steps you take when you are determining 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.

In Barnwell you can estimate when it's the best time to plant shallots by using the USDA zone info.

Planting Calendar for Shallots

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

You can plant shallots slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant shallots in Barnwell 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 shallots and expect a good harvest is probably August. Any later than that and your shallots may not have a chance to really do well. You can get started a little bit earlier by starting your shallots indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Barnwell. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Barnwell is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Barnwell it frosts late in the year after March 15 so make sure that you are ready to cover your shallots if you have a surprise late frost.

USDA Zone Info for Barnwell

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Barnwell

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