The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Lehighton you can determine when it's a good idea to plant dahlia by reviewing the USDA zone info.

Planting Calendar for Dahlia

Frost tolerance for dahlia:	Not tolerant of frost.
When to plant:	After the last frost.

Since dahlia do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Lehighton 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 really do well. You can get started a couple of weeks earlier by starting your dahlia indoors.

Last Frost Date

The average date of last frost is April 15 in Lehighton. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Lehighton is not always accurate the actual date of last frost changes from year to year. Half of the time in Lehighton you get a frost after April 15 so just be sure to be ready to cover your dahlia if you have a late frost.

USDA Zone Info for Lehighton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Lehighton

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