frostdate name logo in white
frostdate name logo in white

When to Plant Calendula in Grove City, OH

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Grove City you will be able to determine when you can plant calendula.


Planting Calendar for Calendula

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

Calendula are one of those plants that can tolerate a little bit of cold weather which means that you can plant them a little bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant calendula in Grove City 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. You probably don't want to wait any later than that or else your calendula may not have a chance to fully mature. If you are starting your calendula indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Grove City and it is different every year. Half of the time in Grove City you get surprised by a frost after April 15 so just be sure to be ready to cover your calendula in the event of a surprise late frost.

USDA Zone Info for Grove City

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 Grove City

You may be interested in your other planting guides for Grove City.