One of the first steps you take when you are making a decision about 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.

By reviewing the USDA zone info for Hephzibah it's possible to figure out 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 the last frost.

Since dahlia require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Hephzibah 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 grow to maturity. If you are starting your dahlia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Hephzibah is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hephzibah you get surprised by a frost after March 15 be ready to cover your dahlia in the event of a surprise late frost.

USDA Zone Info for Hephzibah

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 Hephzibah

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