When to Plant Dahlia in Canal Winchester, OH

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

The first chance to plant dahlia in Canal Winchester should be determined 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 has passed.

Dahlia require warm weather which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant dahlia
Possibly ok, but a risky time to plant dahlia
Probably not a good time to plant dahlia

The earliest that you can plant dahlia in Canal Winchester 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 little bit earlier by starting your dahlia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Canal Winchester. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Canal Winchester is an average and the actual date of last frost changes from year to year. Since half of the time in Canal Winchester last frost occurs after April 15 be ready to cover your dahlia if you have one of those late frosts.

USDA Zone Info for Canal Winchester

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 Canal Winchester

You may be interested in your other planting guides for Canal Winchester.