Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when it's the best time to plant dahlia by referring to the USDA zone info for Taneytown.

Planting Calendar for Dahlia

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

Since dahlia are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Taneytown 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. Starting your dahlia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Taneytown. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Taneytown may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Taneytown there is a last frost after April 15 be ready to cover your dahlia in the event of a surprise late frost.

USDA Zone Info for Taneytown

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Taneytown

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