The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when you can plant shallots in Warrenton by checking out 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 a bit 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 Warrenton 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. If you wait any later than that and your shallots may not have a chance to grow to maturity. If you are starting your shallots indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Warrenton. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Warrenton is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Warrenton you get surprised by a frost after April 15 be ready to protect your shallots if you have a surprise late frost.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Warrenton

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