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

A common way of determining when it's possible to plant onions is to check out the USDA zone info for Hampton.

Planting Calendar for Onions

Frost tolerance for onions:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant onions a lot earlier in the year because they do well in cold.

The earliest that you can plant onions in Hampton 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 onions and expect a good harvest is probably September. If you wait any later than that and your onions may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your onions indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Hampton. In the coldest months of winter you should expect an average low temperature of 10°F.

Always keep in mind that USDA zone info for Hampton may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Hampton you get surprised by a frost after March 15 so be sure to be ready to protect your onions if you have a surprise late frost.

USDA Zone Info for Hampton

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 Hampton

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