One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. 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 figure out when you can plant zinnia by referring to the USDA zone info for Canton.

Planting Calendar for Zinnia

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

Since zinnia are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant zinnia in Canton 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 zinnia and expect a good harvest is probably August. Any later than that and your zinnia may not have a chance to really do well. You can get started a little bit earlier by starting your zinnia indoors.

Last Frost Date

The average date of last frost is March 15 in Canton. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Canton is not always accurate the actual date of last frost is different every year. Since half of the time in Canton you get surprised by a frost after March 15 be ready to cover your zinnia in the event of one of those late frosts.

USDA Zone Info for Canton

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Canton

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