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.

The USDA zone info for Hampton should be reviewed to estimate when it's a good idea to plant dahlia.

Planting Calendar for Dahlia

Frost tolerance for dahlia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant dahlia until after the last frost because they require warm weather.

The earliest that you can plant dahlia in Hampton is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant dahlia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dahlia may not have a chance to fully mature. Starting your dahlia indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Hampton is just an average the actual date of last frost is different every year. Since half of the time in Hampton you get surprised by a frost after March 15 be ready to protect your dahlia in the event of 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.