Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant dahlia in Orrville by looking at the USDA zone info.

Planting Calendar for Dahlia

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

It's probably a bad idea to plant dahlia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant dahlia in Orrville 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 fully mature. You can get started a little bit earlier by starting your dahlia indoors.

Last Frost Date

The average date of last frost is April 15 in Orrville. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Orrville 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 Orrville you get surprised by a frost after April 15 be ready to protect your dahlia in the event of a late frost.

USDA Zone Info for Orrville

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 Orrville

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