The USDA Zone info is a great tool for gardeners to help us determine 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 first opportunity to plant dahlia in Lititz should be figured out by looking at the USDA zone info.

Planting Calendar for Dahlia

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

You can not plant dahlia until after the last frost because they do not do well in cold weather.

The earliest that you can plant dahlia in Lititz 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. Any later than that and 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 the last frost when the weather gets warmer is on April 15 in Lititz. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Lititz is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lititz you get a frost after April 15 be ready to protect your dahlia in the event of one of those late frosts.

USDA Zone Info for Lititz

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 Lititz

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