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 determine when it's possible to plant coreopsis in Spring Grove by checking out the USDA zone info.

Planting Calendar for Coreopsis

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

Coreopsis do ok in a little bit of cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is April 15 in Spring Grove. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Spring Grove is just an average and the actual date of last frost will vary from year to year. Half of the time in Spring Grove last frost occurs after April 15 so be sure to be ready to cover your coreopsis if you have one of those late frosts.

USDA Zone Info for Spring Grove

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Spring Grove

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