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

The best time to plant coreopsis in Hillsdale should be determined by referring to 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 mild cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant coreopsis in Hillsdale 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. If you wait any later than that and your coreopsis may not have a chance to fully mature. 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 Hillsdale. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Hillsdale is just an average and the actual date of last frost is different every year. Since half of the time in Hillsdale last frost occurs after April 15 be ready to cover your coreopsis in the event of a surprise late frost.

USDA Zone Info for Hillsdale

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Hillsdale

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