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.

You can determine when it's the best time to plant calendula in Barberton by referring to the USDA zone info.

Planting Calendar for Calendula

Frost tolerance for calendula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since calendula do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant calendula in Barberton is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant calendula and expect a good harvest is probably September. If you wait any later than that and your calendula may not have a chance to fully mature. You can get started a few weeks earlier by starting your calendula indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Barberton. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Barberton is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Barberton it frosts late in the year after April 15 so make sure that you are ready to cover your calendula if you have one of those late frosts.

USDA Zone Info for Barberton

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 Barberton

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